Schwarzmayr, P., Birkelbach, F., Walter, H., & Hofmann, R. (2024). Exergy efficiency and thermocline degradation of a packed bed thermal energy storage in partial cycle operation: An experimental study. Applied Energy, 360, Article 122895. https://doi.org/10.1016/j.apenergy.2024.122895 ( reposiTUm)

Huber, D., Birkelbach, F., & Hofmann, R. (2024). Unlocking the potential of synthetic fuel production: Coupled optimization of heat exchanger network and operating parameters of a 1 MW power-to-liquid plant. Chemical Engineering Science, 284, Article 119506. https://doi.org/10.1016/j.ces.2023.119506 ( reposiTUm)

Huber, D., Birkelbach, F., & Hofmann, R. (2024). Evaluating synthetic fuel production: A case study on the influence of electricity and CO₂ price variations. Case Studies in Thermal Engineering, 61, Article 104975. https://doi.org/10.1016/j.csite.2024.104975 ( reposiTUm)

Birkelbach, F., Huber, D., & Hofmann, R. (2024). Piecewise linear approximation for MILP leveraging piecewise convexity to improve performance. COMPUTERS & CHEMICAL ENGINEERING, 183, Article 108596. https://doi.org/10.1016/j.compchemeng.2024.108596 ( reposiTUm)

Sao Paulo Ruela, V., Van Beurden, P., Luchini, B., Hofmann, R., & Birkelbach, F. (2024). Optimizing the Steel Ladle Thermal Management: Toward a Sustainable and Cost‐Effective Ladle Fleet Logistics. Steel Research International, Article 2400616. https://doi.org/10.34726/7340 ( reposiTUm)

Kasper, L., Schwarzmayr, P., Birkelbach, F., Javernik, F., Schwaiger, M., & Hofmann, R. (2024). A digital twin-based adaptive optimization approach applied to waste heat recovery in green steel production: Development and experimental investigation. Applied Energy, 353(B), Article 122192. https://doi.org/10.1016/j.apenergy.2023.122192 ( reposiTUm)

Schwarzmayr, P., Birkelbach, F., Walter, H., Javernik, F., Schwaiger, M., & Hofmann, R. (2024). Packed bed thermal energy storage for waste heat recovery in the iron and steel industry: A cold model study on powder hold-up and pressure drop. Journal of Energy Storage, 75, Article 109735. https://doi.org/10.1016/j.est.2023.109735 ( reposiTUm)

Neuwirth, M., Fleiter, T., & Hofmann, R. (2024). Modelling the market diffusion of hydrogen-based steel and basic chemical production in Europe – A site-specific approach. Energy Conversion and Management, 322, Article 119117. https://doi.org/10.1016/j.enconman.2024.119117 ( reposiTUm)

Neuwirth, M., Fleiter, T., & Hofmann, R. (2024). Modelling the transformation of energy-intensive industries based on site-specific investment decisions. Scientific Reports, 14(1), Article 30552. https://doi.org/10.1038/s41598-024-78881-7 ( reposiTUm)

Knöttner, S., & Hofmann, R. (2024). Assessment and conceptualization of industrial energy flexibility supply in mathematical optimization in a competitive and changing environment. Energy Conversion and Management, 304, Article 118205. https://doi.org/10.1016/j.enconman.2024.118205 ( reposiTUm)

Kasper, L., Pernsteiner, D., Schirrer, A., Jakubek, S., & Hofmann, R. (2023). Experimental characterization, parameter identification and numerical sensitivity analysis of a novel hybrid sensible/latent thermal energy storage prototype for industrial retrofit applications. Applied Energy, 344, Article 121300. https://doi.org/10.1016/j.apenergy.2023.121300 ( reposiTUm)

Tubeuf, C., Birkelbach, F., Maly, A., & Hofmann, R. (2023). Increasing the Flexibility of Hydropower with Reinforcement Learning on a Digital Twin Platform. Energies, 16(4), Article 1796. https://doi.org/10.3390/en16041796 ( reposiTUm)

Huber, D., Birkelbach, F., & Hofmann, R. (2023). HENS Unchained: MILP Implementation of Multi-Stage Utilities with Stream Splits, Variable Temperatures and Flow Capacities. Energies, 16(12), Article 4732. https://doi.org/10.3390/en16124732 ( reposiTUm)

Ruela, V., Van Beurden, P., Sinnema, S., Hofmann, R., & Birkelbach, F. (2023). A global solution approach to the energy-efficient ladle dispatching problem with refractory temperature control. IEEE Access, 11, 137718–137733. https://doi.org/10.1109/ACCESS.2023.3339392 ( reposiTUm)

Schwarzmayr, P., Birkelbach, F., Walter, H., & Hofmann, R. (2023). Standby efficiency and thermocline degradation of a packed bed thermal energy storage: An experimental study. Applied Energy, 337, Article 120917. https://doi.org/10.1016/j.apenergy.2023.120917 ( reposiTUm)

Requate, N., Meyer, T., & Hofmann, R. (2023). From wind conditions to operational strategy: optimal planning of wind turbine damage progression over its lifetime. Wind Energy, 8(11), 1727–1753. https://doi.org/10.5194/wes-8-1727-2023 ( reposiTUm)

Kasper, L., Birkelbach, F., Schwarzmayr, P., Steindl, G., Ramsauer, D., & Hofmann, R. (2022). Toward a Practical Digital Twin Platform Tailored to the Requirements of Industrial Energy Systems. Applied Sciences, 12(14), Article 6981. https://doi.org/10.3390/app12146981 ( reposiTUm)

Neuwirth, M., Fleiter, T., Manz, P., & Hofmann, R. (2022). The future potential hydrogen demand in energy-intensive industries - a site-specific approach applied to Germany. Energy Conversion and Management, 252(115052), 115052. https://doi.org/10.1016/j.enconman.2021.115052 ( reposiTUm)

Pernsteiner, D., Halmschlager, V., Schirrer, A., Hofmann, R., & Jakubek, S. (2022). Efficient sensitivity-based cooperation concept for hierarchical multi-layer process automation of steam-powered plants. IEEE Access, 10, 66844–66861. https://doi.org/10.1109/access.2022.3178436 ( reposiTUm)

Stampfli, J. A., Benjamin H.Y., O., Olsen, D. G., Wellig, B., & Hofmann, R. (2022). Applied heat exchanger network retrofit for multi-period processes in industry: A hybrid evolutionary algorithm. Computers & Chemical Engineering, 161, Article 107771. https://doi.org/10.1016/j.compchemeng.2022.107771 ( reposiTUm)

Stampfli, J. A., Olsen, D. G., Wellig, B., & Hofmann, R. (2022). A parallelized hybrid genetic algorithm with differential evolution for heat exchanger network retrofit. MethodsX, 9, 101711. https://doi.org/10.1016/j.mex.2022.101711 ( reposiTUm)

Beck, A., Knöttner, S., Unterluggauer, J., Halmschlager, D., & Hofmann, R. (2022). An Integrated Optimization Model for Industrial Energy System Retrofit with Process Scheduling, Heat Recovery, and Energy Supply System Synthesis. Processes, 10(3), 572. https://doi.org/10.3390/pr10030572 ( reposiTUm)

Knöttner, S., Leitner, B., & Hofmann, R. (2022). Impact of recent district heating developments and low-temperature excess heat integration on design of industrial energy systems: An integrated assessment method. Energy Conversion and Management, 263(115612), 115612. https://doi.org/10.1016/j.enconman.2022.115612 ( reposiTUm)

Halmschlager, D., Beck, A., Knöttner, S., Koller, M., & Hofmann, R. (2022). Combined optimization for retrofitting of heat recovery and thermal energy supply in industrial systems. Applied Energy, 305, 1–20. https://doi.org/10.1016/j.apenergy.2021.117820 ( reposiTUm)

Halmschlager, V., Birkelbach, F., & Hofmann, R. (2021). Optimizing the utilization of excess heat for district heating in a chipboard production plant. Case Studies in Thermal Engineering, 25, Article 100900. https://doi.org/10.1016/j.csite.2021.100900 ( reposiTUm)

Pernsteiner, D., Schirrer, A., Kasper, L., Hofmann, R., & Jakubek, S. (2021). Data-based model reduction for phase change problems with convective heat transfer. Applied Thermal Engineering, 184(116228), 116228. https://doi.org/10.1016/j.applthermaleng.2020.116228 ( reposiTUm)

Kasper, L., Pernsteiner, D., Koller, M., Schirrer, A., Jakubek, S., & Hofmann, R. (2021). Numerical studies on the influence of natural convection under inclination on optimal aluminium proportions and fin spacings in a rectangular aluminium finned latent-heat thermal energy storage. Applied Thermal Engineering, 190(116448), 116448. https://doi.org/10.1016/j.applthermaleng.2020.116448 ( reposiTUm)

Halmschlager, V., & Hofmann, R. (2021). Assessing the potential of combined production and energy management in Industrial Energy Hubs - Analysis of a chipboard production plant. Energy, 226(120415), 120415. https://doi.org/10.1016/j.energy.2021.120415 ( reposiTUm)

Prendl, L., Schenzel, K., & Hofmann, R. (2021). "Simultaneous integration of heat pumps and different thermal energy storages into a tightened multi-period MILP HENS superstructure formulation for industrial applications. Computers and Chemical Engineering, 147(107237), 107237. https://doi.org/10.1016/j.compchemeng.2021.107237 ( reposiTUm)

Prendl, L., Kasper, L., & Hofmann, R. (2021). Framework for Automated Data-Driven Model Adaption for the Application in Industrial Energy Systems. IEEE Access, 9, 113052–113060. https://doi.org/10.1109/access.2021.3104058 ( reposiTUm)

Halmschlager, V., Müllner, S., & Hofmann, R. (2021). Mechanistic Grey-Box Modeling of a Packed-Bed Regenerator for Industrial Applications. Energies, 14(11), 1–18. https://doi.org/10.3390/en14113174 ( reposiTUm)

Hennig, M., Grafinger, M., Hofmann, R., Gerhard, D., Dumss, S., & Rosenberger, P. (2021). Introduction of a time series machine learning methodology for the application in a production system. Advanced Engineering Informatics, 47(101197), 101197. https://doi.org/10.1016/j.aei.2020.101197 ( reposiTUm)

Pernsteiner, D., Schirrer, A., Kasper, L., Hofmann, R., & Jakubek, S. (2021). State estimation concept for a nonlinear melting/solidification problem of a latent heat thermal energy storage. Computers and Chemical Engineering, 153(107444), 107444. https://doi.org/10.1016/j.compchemeng.2021.107444 ( reposiTUm)

Prendl, L., & Hofmann, R. (2021). Case Study of Multi-Period MILP HENS with Heat Pump and Storage Options for the Application in Energy Intensive Industries. Energies, 14(20), 6741. https://doi.org/10.3390/en14206741 ( reposiTUm)

Halmschlager, V., & Hofmann, R. (2021). Assessing the potential of combined production and energy management in Industrial Energy Hubs – Analysis of a chipboard production plant. Energy, 226, 1–12. https://doi.org/10.1016/j.energy.2021.120415 ( reposiTUm)

Steindl, G., Stagl, M., Kasper, L., Kastner, W., & Hofmann, R. (2020). Generic Digital Twin Architecture for Industrial Energy Systems. Applied Sciences, 10(24), 8903. https://doi.org/10.3390/app10248903 ( reposiTUm)

Kasper, L., Bacher, T., Birkelbach, F., & Hofmann, R. (2020). Digitalization possibilities and the potential of the Digital Twin for steam supply systems. VGB PowerTech, 11, 45–52. http://hdl.handle.net/20.500.12708/141818 ( reposiTUm)

Widl, E., Leitner, B., Basciotti, D., Henein, S., Ferhatbegovic, T., & Hofmann, R. (2020). Combined Optimal Design and Control of Hybrid Thermal-Electrical Distribution Grids Using Co-Simulation. Energies, 13(8), 1945. https://doi.org/10.3390/en13081945 ( reposiTUm)

Pernsteiner, D., Kasper, L., Schirrer, A., Hofmann, R., & Jakubek, S. (2020). Co-simulation methodology of a hybrid latent-heat thermal energy storage unit. Applied Thermal Engineering, 178(115495), 115495. https://doi.org/10.1016/j.applthermaleng.2020.115495 ( reposiTUm)

Leitner, B., Widl, E., Gawlik, W., & Hofmann, R. (2020). Control assessment in coupled local district heating and electrical distribution grids: Model predictive control of electric booster heaters. Energy, 210(118540), 118540. https://doi.org/10.1016/j.energy.2020.118540 ( reposiTUm)

Sporr, A., Zucker, G., & Hofmann, R. (2020). Automatically Creating HVAC Control Strategies Based on Building Information Modeling (BIM): Heat Provisioning and Distribution. Energies, 13(17), 4403. https://doi.org/10.3390/en13174403 ( reposiTUm)

Leitner, B., Widl, E., Gawlik, W., & Hofmann, R. (2020). Simulating Smart Coupled District Heating and Electrical Distribution Networks. Euroheat & Power, III, 12–16. http://hdl.handle.net/20.500.12708/140797 ( reposiTUm)

Koller, M., Hofmann, R., & Walter, H. (2019). MILP Model for a Packed Bed Sensible Thermal Energy Storage. Computers and Chemical Engineering, 125, 40–53. https://doi.org/10.1016/j.compchemeng.2019.03.007 ( reposiTUm)

Dusek, S., & Hofmann, R. (2019). Modeling of a Hybrid Steam Storage and Validation with an Industrial Ruths Steam Storage Line. Energies, 12(6), 1014. https://doi.org/10.3390/en12061014 ( reposiTUm)

Hofmann, R., Vogtenhuber, H., & Prendl, L. (2019). Optimized heat exchanger integration within a TSA-process based on experimentally evaluated heat transfer correlations for finned-tubes in fluidized beds. Powder Technology, 356, 957–973. https://doi.org/10.1016/j.powtec.2019.09.030 ( reposiTUm)

Hofmann, R., Halmschlager, V., Koller, M., Scharinger-Urschitz, G., Birkelbach, F., & Walter, H. (2019). Comparison of a Physical and a Data-Driven Model of a Packed Bed Regenerator for Industrial Applications. Journal of Energy Storage, 23, 558–578. https://doi.org/10.1016/j.est.2019.04.015 ( reposiTUm)

Dusek, S., Hofmann, R., & Gruber, S. (2019). Design analysis of a hybrid storage concept combining Ruths steam storage and latent thermal energy storage. Applied Energy, 251(113364), 113364. https://doi.org/10.1016/j.apenergy.2019.113364 ( reposiTUm)

Leitner, B., Widl, E., Gawlik, W., & Hofmann, R. (2019). A method for technical assessment of power-to-heat use cases to couple local district heating and electrical distribution grids. Energy, 182, 729–738. https://doi.org/10.1016/j.energy.2019.06.016 ( reposiTUm)

Sporr, A., Zucker, G., & Hofmann, R. (2019). Automated HVAC Control Creation Based on Building Information Modeling (BIM): Ventilation System. IEEE Access, 7, 74747–74758. https://doi.org/10.1109/access.2019.2919262 ( reposiTUm)

Koller, M., & Hofmann, R. (2019). Efficient clustering of identical generating units for the MILP-UC with a shifting generation level method. Computers and Chemical Engineering, 125, 415–426. https://doi.org/10.1016/j.compchemeng.2019.03.032 ( reposiTUm)

Beck, A., & Hofmann, R. (2019). A sequential approach for integration of multiple thermal energy storages with fixed mass and variable temperature. Applied Thermal Engineering, 148, 278–294. https://doi.org/10.1016/j.applthermaleng.2018.11.039 ( reposiTUm)

Vogtenhuber, H., Pernsteiner, D., & Hofmann, R. (2019). Experimental and Numerical Investigations on Heat Transfer of Bare Tubes in a Bubbling Fluidized Bed with Respect to Better Heat Integration in Temperature Swing Adsorption Systems. Energies, 12(14), 1–26. https://doi.org/10.3390/en12142646 ( reposiTUm)

Hofmann, R., Dusek, S., Gruber, S., & Schmid, G. (2019). Design Optimization of a Hybrid Steam-PCM Thermal Energy Storage for Industrial Applications. Energies, 12(5), 1–25. https://doi.org/10.3390/en12050898 ( reposiTUm)

Hofmann, R., Sophie Panuschka, & Beck, A. (2019). A simultaneous optimization approach for efficiency measures regarding design and operation of industrial energy systems. Computers and Chemical Engineering, 128, 246–260. https://doi.org/10.1016/j.compchemeng.2019.06.007 ( reposiTUm)

Sophie Panuschka, & Hofmann, R. (2019). Impact of thermal storage capacity, electricity and emission certificate costs on the optimal operation of an industrial energy system. Energy Conversion and Management, 185, 622–635. https://doi.org/10.1016/j.enconman.2019.02.014 ( reposiTUm)

Beck, A., & Hofmann, R. (2018). A Novel Approach for Linearization of a MINLP Stage-Wise Superstructure Formulation. Computers and Chemical Engineering, 112, 17–26. https://doi.org/10.1016/j.compchemeng.2018.01.010 ( reposiTUm)

Beck, A., & Hofmann, R. (2018). How to tighten a commonly used MINLP superstructure formulation for simultaneous heat exchanger network synthesis. Computers and Chemical Engineering, 112, 48–56. https://doi.org/10.1016/j.compchemeng.2018.01.011 ( reposiTUm)

Hofmann, R., Linzner, P., Walter, H., & Will, T. (2018). New approximation algorithms for the state functions of water and steam for the application of transient processes and fast on-line applications. Energy, 164, 1079–1096. https://doi.org/10.1016/j.energy.2018.09.039 ( reposiTUm)

Dusek, S., & Hofmann, R. (2018). A Hybrid Energy Storage Concept for Future Application in Industrial Processes. Thermal Science, 22(5), 2235–2242. https://doi.org/10.2298/tsci171230270d ( reposiTUm)

Koller, M., & Hofmann, R. (2018). Mixed-Integer Linear Programming Formulation of Combined Heat and Power Units for the Unit Commitment Problem. Journal of Sustainable Development of Energy, Water and Environment Systems, 6(4), 755–769. https://doi.org/10.13044/j.sdewes.d6.0207 ( reposiTUm)

Vogtenhuber, H., Hofmann, R., Helminger, F., & Schöny, G. (2018). Process simulation of an efficient temperature swing adsorption concept for biogas upgrading. Energy, 162, 200–209. https://doi.org/10.1016/j.energy.2018.07.193 ( reposiTUm)

Patzig, L., Göschel, T., Ochse, S., Hespeler, S., Ziegler, R., Robbi, S., Schmidt, R.-R., & Hofmann, R. (2018). Entwicklung eines zukunftsfähigen Versorgungskonzepts. Euroheat & Power, 47(4–5), 32–37. http://hdl.handle.net/20.500.12708/144436 ( reposiTUm)

Zauner, C., Hengstberger, F., Mörzinger, B., Hofmann, R., & Walter, H. (2017). Experimental characterization and simulation of a hybrid sensibile-latent heat storage. Applied Energy, 189, 506–519. https://doi.org/10.1016/j.apenergy.2016.12.079 ( reposiTUm)

Zucker, G., Sporr, A., Garrido-Marijuan, A., Ferhatbegovic, T., & Hofmann, R. (2017). A ventilation system controller based on pressure-drop and CO2 models. Energy and Buildings, 155, 378–389. https://doi.org/10.1016/j.enbuild.2017.09.041 ( reposiTUm)

Hofmann, R., Dusek, S., Koller, M., & Walter, H. (2016). Flexibilisierungspotenzial für Energieanlagen in der Industrie. Intelligentes Demand-Side-Management durch Integration von thermischen Speichern - Teil 1. BWK, 68(9), 6–11. http://hdl.handle.net/20.500.12708/148926 ( reposiTUm)

Hofmann, R., Haider, M., Dusek, S., Koller, M., & Walter, H. (2016). Integration von thermischen Speichertechnologien als Flexibilisierungsmaßnahme für industrielle Energieanlagen. VGB PowerTech, 96(8), 27–35. http://hdl.handle.net/20.500.12708/148925 ( reposiTUm)

Hofmann, R., Koller, M., Dusek, S., & Walter, H. (2016). Flexibilisierungspotenzial für Energieanlagen in der Industrie. Intelligentes Demand-Side-Management durch Integration von thermischen Speichern - Teil 2. BWK, 68(10), 32–37. http://hdl.handle.net/20.500.12708/149005 ( reposiTUm)

Zauner, C., Hengstberger, F., Etzel, M., Lager, D., Hofmann, R., & Walter, H. (2016). Experimental characterization and simulation of a fin-tube latent heat storage using high density polyethylene as PMC. Applied Energy, 179, 237–246. https://doi.org/10.1016/j.apenergy.2016.06.138 ( reposiTUm)

Hofmann, R. (2015). Potenitale nicht ausgeschöpft. Industriemagazin, 9(9), 64–65. http://hdl.handle.net/20.500.12708/152034 ( reposiTUm)

Hofmann, R., Walch, T., Kolbitsch, A., Walter, H., & Daublebsky von Eichhain, Ch. (2012). Betriebsverhalten und Anströmoptimierung der Zuströmkanäle eines Abhitzedampferzeugers. VGB PowerTech, 92(11), 71–78. http://hdl.handle.net/20.500.12708/164179 ( reposiTUm)

Hofmann, R., & Walter, H. (2012). Experimental and Numerical Investigation of the Gas Side Heat Transfer and Pressure Drop of Finned Tubes - Part 2: Numerical Analysis. Journal of Thermal Science and Engineering Applications, 4(4). https://doi.org/10.1115/1.4007125 ( reposiTUm)

Hofmann, R., & Walter, H. (2012). Experimental and Numerical Investigation of the Gas Side Heat Transfer and Pressure Drop of Finned Tubes - Part 1: Experimental Analysis. Journal of Thermal Science and Engineering Applications, 4(4), 041007-1-041007–041011. http://hdl.handle.net/20.500.12708/164096 ( reposiTUm)

Walter, H., & Hofmann, R. (2011). How can the heat transfer correlations for finned-tubes influence the numerical simulation of the dynamic behavior of a heat recovery steam generator? Applied Thermal Engineering, 31(4), 405–417. https://doi.org/10.1016/j.applthermaleng.2010.08.015 ( reposiTUm)

Walter, H., Dobias, C., Holzleithner, F., & Hofmann, R. (2011). Fluid flow in channels between two gas turbines and heat recovery steam generator - a theoretical investigation. WSEAS Transactions on Fluid Mechanics, 6(4), 257–269. http://hdl.handle.net/20.500.12708/163444 ( reposiTUm)

Hofmann, R., Fraß, F., & Ponweiser, K. (2007). Heat Transfer and Pressure Drop Performance Comparison of Finned-Tube Bundles in Forced Convection. WSEAS TRANSACTIONS on HEAT and MASS TRANSFER, 2(4), 72–88. http://hdl.handle.net/20.500.12708/170127 ( reposiTUm)

Hofmann, R., Binder, F., & Werner, A. (2006). Entwicklung eines Probenahmesystems für Schüttgüter in einer Wirbelschichtanlage mit unterschiedlichen Betriebsbedingungen. Schüttgut, 12(1), 24–31. http://hdl.handle.net/20.500.12708/174101 ( reposiTUm)

Hofmann, R., Binder, F., & Werner, A. (2006). Development of a Sampling System for Solid Materials from a Fluidized Bed Reactor under Varying Operating Conditions (in chinese). Powder and Bulk International (Chinese Edition), 1, 43–48. http://hdl.handle.net/20.500.12708/174115 ( reposiTUm)

Hofmann, R., Binder, F., & Werner, A. (2005). Development of a Sampling System for Solid Materials from a Fluidized Bed Reactor under Varying Operating Conditions. Bulk Solids Handling, 25(No. 6), 378–385. http://hdl.handle.net/20.500.12708/174093 ( reposiTUm)

Klaassen, C., Kasper, L., & Hofmann, R. (2024). Mapping SysML v2 to NGSI-LD: Enhancing Energy Systems Modeling. In 2024 Open Source Modelling and Simulation of Energy Systems (OSMSES). Open Source Modelling and Simulation of Energy Systems (OSMSES + COMForEn 2024), Austria. https://doi.org/10.34726/7060 ( reposiTUm)

Huber, D., Birkelbach, F., & Hofmann, R. (2024). Network optimization for sustainable integration of decentralized biogas production. In Proceedings of the ASME 2024 18th International Conference on Energy Sustainability ES2024. ASME 2024 18th International Conference on Energy Sustainability, Anaheim, California, United States of America (the). https://doi.org/10.1115/ES2024-121756 ( reposiTUm)

Zabik, G., Birkelbach, F., & Hofmann, R. (2024). Decarbonizing the Steel Processing Industry: A MILP-Based Assessment of Electrification and Hydrogen for Hot Rolling. In ASME 2024 18th International Conference on Energy Sustainability. ASME 2024 18th International Conference on Energy Sustainability, Anaheim, United States of America (the). https://doi.org/10.1115/ES2024-130999 ( reposiTUm)

Azizi, F., Gennesson, M., Wagner, D., Birkelbach, F., & Hofmann, R. (2024). Enhancing Steel Ladle Thermal Management: Implementing Model Order Reduction Approach  for Temperature Monitoring. In ICR International Colloquium on Refractories: Proceedings (pp. 175–178). European Centre for  Refractories gGmbH. ( reposiTUm)

Klaassen, C., Thoma, M. A., Steindl, G., Amiri, A., Kasper, L., & Hofmann, R. (2024). Semantic Annotation of System Models for Generating RDF Runtime Models. In 2024 IEEE 22nd International Conference on Industrial Informatics (INDIN) (pp. 1–6). IEEE. https://doi.org/10.1109/INDIN58382.2024.10774513 ( reposiTUm)

Requate, N., Meyer, T., & Hofmann, R. (2024). Maximizing value through optimized annual selection of Pareto-optimal wind turbine operating strategies. In Journal of Physics: Conference Series. The Science of Making Torque from Wind (TORQUE 2024), Florenz, Italy. Institute of Physics Publishing Ltd. https://doi.org/10.1088/1742-6596/2767/3/032045 ( reposiTUm)

Freiin von Tubeuf, C. S., aus der Schmitten, J., Hofmann, R., Heitzinger, C., & Birkelbach, F. (2024). Improving Control of Energy Systems With Reinforcement Learning: Application to a Reversible Pump Turbine. In Proceedings of the ASME 2024 18th International Conference on Energy Sustainability ES2024. 18th International Conference on Energy Sustainability (ASME ES 2024), Anaheim, United States of America (the). https://doi.org/10.1115/ES2024-122475 ( reposiTUm)

Fischer, M., & Hofmann, R. (2024). AI for Energy Intensive Industry: A Hybrid Optimization Approach for Flexibility Service Providers. In ASME 2024 18th International Conference on Energy Sustainability collocated with the ASME 2024 Heat Transfer Summer Conference and the ASME 2024 Fluids Engineering Division Summer Meeting. ASME 2024 18th International Conference on Energy Sustainability, Anaheim, CA, United States of America (the). https://doi.org/10.1115/ES2024-123705 ( reposiTUm)

Fischer, M., Mauel, B., Knöttner, S., & Hofmann, R. (2024). INDUSTRIAL FLEXIBILITY FOR REDISPATCH PROVISION - AN OPTIMIZATION-BASED APPROACH FOR BID GENERATION. In Conference Proceedings NEFI NEW ENERGY FOR INDUSTRY 2024 (pp. 52–54). https://doi.org/10.34726/8040 ( reposiTUm)

Zabik, G., Birkelbach, F., & Hofmann, R. (2023). Qualitative Comparison of On-Site Production of Hydrogen and Its Synthesis Products for Steel Processing Industry. In Proceedings of ECOS 2023 - The 36th International Conference on Efficiency, Cost, Optimization, Simulation and Environmental Impact of Energy Systems (pp. 2514–2522). https://doi.org/10.52202/069564-0226 ( reposiTUm)

Schwarzmayr, P., Birkelbach, F., Walter, H., & Hofmann, R. (2023). Study on the Standby Characteristics of a Packed Bed Thermal Energy Storage: Experimental Results and Model Based Parameter Optimization. In ASME Power Applied R&D 2023. ASME Power Applied R&D 2023, Long Beach, California, United States of America (the). https://doi.org/10.1115/POWER2023-108578 ( reposiTUm)

Tubeuf, C., Birkelbach, F., Maly, A., Krause, M., & Hofmann, R. (2023). Enabling Reinforcement Learning for Flexible Energy Systems Through Transfer Learning on a Digital Twin Platform. In 36th International Conference on Efficiency, Cost, Optimization, Simulation and Environmental Impact of Energy Systems (ECOS 2023) (pp. 3218–3228). https://doi.org/10.52202/069564-0289 ( reposiTUm)

Fischer, M., Schenzel, K. W., & Hofmann, R. (2023). Multi-stage optimization for marketing industrial flexibility. In A. C. Kokossis, M. Georgiadis, & E. Pistikopoulos (Eds.), 33rd European Symposium on Computer Aided Process Engineering (pp. 215–220). Elsevier. https://doi.org/10.1016/B978-0-443-15274-0.50035-4 ( reposiTUm)

Zechner, N., Birkelbach, F., & Hofmann, R. (2023). Modeling the thermal processes in a short cycle press to improve product quality. In Proceedings of the International Panel Products Symposium 2023 (pp. 129–138). http://hdl.handle.net/20.500.12708/189395 ( reposiTUm)

Huber, D., Werdinig, K., Birkelbach, F., & Hofmann, R. (2023). Highly efficient heat integration of a power-to-liquid process using MILP. In Proceedings of ECOS 2023 – 36th lnternational Conference on Efficiency, Cost, Optimization, Simulation and Environmental lmpact of Energy Systems. 36th lnternational Conference on Efficiency, Cost, Optimization, Simulation and Environmental lmpact of Energy Systems, Las Palmas de Gran Canaria, Spain. ( reposiTUm)

Birkelbach, F., Kasper, L., Schwarzmayr, P., & Hofmann, R. (2023). Operation planning with thermal storage units using MILP: Comparison of heuristics for approximating non-linear operating behavior. In A. M. Blanco-Marigorta, B. Del Rio Gamero, N. Melian Martel, & N. El Kori (Eds.), Proceedings of ECOS 2023. 36th International Conference on Efficiency, Cost, Optimization, Simulation and Environmental Impact of Energy Systems (pp. 1279–1284). ULPGC. http://hdl.handle.net/20.500.12708/187709 ( reposiTUm)

Huber, D., Birkelbach, F., & Hofmann, R. (2023). Non-Pareto optimal solutions as enablers for versatile heat exchanger networks. In A. Kokossis, M. Georgiadis, & E. Pistikopoulos (Eds.), Proceedings of the 33rd European Symposium on Computer Aided Process Engineering (ESCAPE33). Elsevier B.V. http://hdl.handle.net/20.500.12708/187039 ( reposiTUm)

Schenzel, K.-W., Fischer, M., Zlabinger, E., & Hofmann, R. (2022). Flexibility Identification of an Industrial Production. In Conference Proceedings New Energy for Industry 2022 - 2nd Conference of the Innovation Network (pp. 21–30). ( reposiTUm)

Schwarzmayr, P., Birkelbach, F., Kasper, L., & Hofmann, R. (2022). Development of a Digital Twin Platform for Industrial Energy Systems. In Jinyue Yan (Ed.), Energy Proceedings Volume 25: Accelerated Energy Innovations and Emerging Technologies. Scanditale AB. http://hdl.handle.net/20.500.12708/136382 ( reposiTUm)

Stampfli, J. A., Ong, B., Olsen, D. G., Wellig, B., & Hofmann, R. (2022). A Hybrid Evolutionary Algorithm for Multi-Objective Heat Exchanger Network Retrofit for Multi-Period Processes. In J. J. Klemes, S. Nizetic, & P. S. Varbanov (Eds.), Proceedings of the 25th Conference on Process Integration, Modelling and Optimisation for Energy Saving and Pollution Reduction, 5 – 8 September 2022, Split and Bol, Croatia. http://hdl.handle.net/20.500.12708/136381 ( reposiTUm)

Prendl, L., & Hofmann, R. (2020). An Extended Approach for the Integration of Heat Pumps into HENS Multi-Period MILP Superstructure Formulation for Industrial. In Proceedings of the 30th European Symposium on Computer Aided Process Engineering (pp. 1351–1356). Elsevier B.V. http://hdl.handle.net/20.500.12708/68136 ( reposiTUm)

Schenzel, K., & Hofmann, R. (2020). Optimal Integration of a Stratified Thermal Energy Storage into a Multi-Component Industrial Energy System. In Computer Aided Chemical Engineering (pp. 1429–1434). Elsevier B.V. https://doi.org/10.1016/b978-0-12-823377-1.50239-1 ( reposiTUm)

Halmschlager, V., & Hofmann, R. (2020). Holistic Approach for the Optimization of Industrial Hybrid Energy Hubs with MILP. In Computer Aided Chemical Engineering (pp. 1375–1380). Elsevier B.V. https://doi.org/10.1016/b978-0-12-823377-1.50230-5 ( reposiTUm)

Stampfli, J., Olsen, D. G., Wellig, B., & Hofmann, R. (2020). Heat Exchanger Network Retrofit for Processes with Multiple Operating Cases: a Metaheuristic Approach. In Proceedings of the 30th European Symposium on Computer Aided Process Engineering (pp. 781–786). Elsevier B.V. http://hdl.handle.net/20.500.12708/68137 ( reposiTUm)

Halmschlager, D., Beck, A., Koller, M., Knöttner, S., & Hofmann, R. (2020). Combined Optimization for Retrofitting of Heat Recovery and Thermal Energy Supply in Industrial Systems. In Energy Proceedings Volume 8: Proceedings of Applied Energy Symposium: MIT A+B (p. 5). http://hdl.handle.net/20.500.12708/68194 ( reposiTUm)

Halmschlager, V., Koller, M., Birkelbach, F., & Hofmann, R. (2019). Grey Box Modeling of a Packed-Bed Rengenerator Using Recurrent Neural Networks. In IFAC Papers online (pp. 1341–1346). http://hdl.handle.net/20.500.12708/68033 ( reposiTUm)

Knöttner, S., & Hofmann, R. (2019). Modeling of non-linear part-load operation of combined cycle units. In IFAC Papers online (pp. 1333–1334). http://hdl.handle.net/20.500.12708/68035 ( reposiTUm)

Beck, A., & Hofmann, R. (2018). Extensions for Multi-Period MINLP Superstructure Formulation for Integration of Thermal Energy Storages in Industrial Processes. In A. Friedl, J. Klemes, S. Radl, P. Varbanov, & T. Wallek (Eds.), 28th European Symposium on Computer Aided Process Engineering (pp. 1335–1340). Elsevier B.V. https://doi.org/10.1016/b978-0-444-64235-6.50234-5 ( reposiTUm)

Zauner, C., Hofmann, R., & Windholz, B. (2018). Increasing Energy Efficiency in Pulp and Paper Production by Employing a New Type of Latent Heat Storage. In A. Friedl, J. Klemes, S. Radl, P. Varbanov, & T. Wallek (Eds.), Computer Aided Chemical Engineering (pp. 1359–1364). Elsevier B.V. https://doi.org/10.1016/b978-0-444-64235-6.50238-2 ( reposiTUm)

Koller, M., & Hofmann, R. (2018). Modelling method for the optimal operation of sensible thermal energy storages. In Vienna young Scientists Symposium (pp. 58–59). http://hdl.handle.net/20.500.12708/67802 ( reposiTUm)

Vogtenhuber, H., Sonnleitner, E., Helminger, F., Hofmann, R., Schöny, G., Wilk, V., Lauermann, M., Werner, A., & Hofbauer, H. (2018). Innovative Temperature Swing Adsorption Simulation Model for Biogas Upgrading. In A. Friedl, J. Klemes, S. Radl, P. Varbanov, & T. Wallek (Eds.), Computer Aided Chemical Engineering (pp. 1377–1382). Elsevier B.V. https://doi.org/10.1016/b978-0-444-64235-6.50241-2 ( reposiTUm)

Koller, M., & Hofmann, R. (2018). Mixed Integer Linear Programming Formulation for Sensible Thermal Energy Storages. In A. Friedl, J. Klemes, S. Radl, P. Varbanov, & T. Wallek (Eds.), Computer Aided Chemical Engineering (pp. 925–930). Elsevier B.V. https://doi.org/10.1016/b978-0-444-64235-6.50163-7 ( reposiTUm)

Beck, A., Glatzl, W., Fluch, J., & Hofmann, R. (2018). Process integration in a dairy factory considering thermal energy storages - a comparison of two different approaches. In ISEC Proceedings Renewable Heating and Cooling in Integrated Urban and Industrial Energy Systems (pp. 153–161). http://hdl.handle.net/20.500.12708/67837 ( reposiTUm)

Schmidt, R.-R., Robbi, S., Hofmann, R., Koller, M., Geyer, R., & Basciotti, D. (2018). Entwicklung von zukunftsfähigen Versorgungsstrategien für Fernwärmenetze - Tools und Methoden. In EnInnov2018 (pp. 1–13). Verlag der Technischen Universität Graz. http://hdl.handle.net/20.500.12708/67639 ( reposiTUm)

Pesendorfer, B., Widl, E., Gawlik, W., & Hofmann, R. (2018). Operation of thermal-electric units in integrated electrical distribution and district heating networks. In SEST 2018 International Conference on Smart Energy Systems and Technologies (p. 6). http://hdl.handle.net/20.500.12708/67841 ( reposiTUm)

Pesendorfer, B., Widl, E., Gawlik, W., & Hofmann, R. (2018). Co-simulation and control of power-to-heat units in coupled electrical and thermal distribution networks. In Proceedings of MSCPES 2018 (p. 6). herausgegeben von: IEEE; IEEE, New Jersey, USA, 2018. http://hdl.handle.net/20.500.12708/67790 ( reposiTUm)

Pesendorfer, B., Widl, E., Gawlik, W., & Hofmann, R. (2018). Coupled local district heating and electrical distribution grids. In 4th International Conference on Smart Energy Systems and 4th Generation District Heating (pp. 271–272). http://hdl.handle.net/20.500.12708/67921 ( reposiTUm)

Knöttner, S., & Hofmann, R. (2018). Modelling of Industrial Energy Systems for Flexibility Increase via Operation Optimization with Mixed-Integer Linear Programming. In Proceedings of the 3rd South East European Conference on Sustainable Development of Energy, Water and Environment Systems (p. 15). http://hdl.handle.net/20.500.12708/67814 ( reposiTUm)

Hofmann, R. (2017). Thermische Speicher für Effizienzsteigerung und Flexibilitätserhöhung in ausgewählten Industriekraftwerkskonfigurationen - Teil 2/2. In Standardkessel Baumgarte Fachseminar Industriekessel (p. 27). http://hdl.handle.net/20.500.12708/67605 ( reposiTUm)

Koller, M., Hofmann, R., & Robbi, S. (2017). Modelling of Combined Heat and Power Supply Systems with Mixed-Integer Linear Programming for Unit Commitment Problems. In Proceedings of the 12th Conference on Sustainable Development of Energy, Water and Environment Systems (p. 13). http://hdl.handle.net/20.500.12708/67665 ( reposiTUm)

Beck, A., & Hofmann, R. (2017). Tightening of MINLP Superstructure Relaxation for Faster Solution of Heat Exchanger Network Synthesis Problems. In Proceedings of the 12th Conference on Sustainable Development of Energy, Water and Environment Systems (p. 11). http://hdl.handle.net/20.500.12708/67664 ( reposiTUm)

Zauner, C., Hengstberger, F., Etzel, M., Lager, D., Hofmann, R., & Walter, H. (2017). Durability of a fin-tube latent heat storage using high density polyethylene as PCM. In IOP Conference Series: Materials Science and Engineering (p. 012123). IOP Conference Series: Materials Science and Engineering. https://doi.org/10.1088/1757-899x/251/1/012123 ( reposiTUm)

Dusek, S., & Hofmann, R. (2017). A Hybrid Storage Concept for Improving Classical Ruth’s Type Steam Accumulators. In Proceedings of the 12th Conference on Sustainable Development of Energy, Water and Environment Systems (p. 12). http://hdl.handle.net/20.500.12708/67666 ( reposiTUm)

Hofmann, R., Linzer, P., Walter, H., & Will, T. (2017). New Approximation Algorithms for a Fast Direct Determination of State Functions of Water and Steam. In Proceedings of the 10th International Conference on Sustainable Energy and Environmental Protection (pp. 10–24). University of Maribor Press. http://hdl.handle.net/20.500.12708/67630 ( reposiTUm)

Vogtenhuber, H., Hofmann, R., Schöny, G., Pirklbauer, J., Fraubaum, M., Helminger, F., Werner, A., & Hofbauer, H. (2017). Development of an Efficient Heat Balance Concept for a TSA-Process Considering Heat-Pump Integration. In Proceedings of the 10th International Conference on Sustainable Energy and Environmental Protection (pp. 1–12). University of Maribor Press. http://hdl.handle.net/20.500.12708/67629 ( reposiTUm)

Hofmann, R., Walter, H., Schmidt, R.-R., & Fleckl, T. (2016). Erhöhte Flexibilisierung von KWK-Energieversorgungsanlagen in Industrieprozessen sowie Fernwärmenetzen. In Systemstütze KWK - Schlüsseltechnologie der Energietransformation (pp. 1–40). http://hdl.handle.net/20.500.12708/67385 ( reposiTUm)

Hofmann, R., Koller, M., Walter, H., & Dusek, S. (2016). "Power-to-Heat und erhöhte Laständerungsfahrweisen als Flexibilitätsoption durch Integration von Speicherkonzepten für industrielle Energieanlagen. In VGB-Fachtagung Dampferzeuger, Industrie- und Heizkraftwerke 2016 (p. 31). http://hdl.handle.net/20.500.12708/67394 ( reposiTUm)

Koller, M., & Hofmann, R. (2016). Dynamic and Predictive Optimization Concept for Energy Supply Systems in the Energy-Intensive Industry. In Proceedings of the ASME 2016 International Mechanical Engineering Congress and Exposition IMECE2016 (pp. 1–10). ASME. http://hdl.handle.net/20.500.12708/67481 ( reposiTUm)

Hofmann, R., & Kolbitsch, A. (2014). Optimization of Start-Up Processes at HRSG with Natural Circulation System. In Power-Gen Europe 2014 (p. 11). http://hdl.handle.net/20.500.12708/67387 ( reposiTUm)

Daublebsky von Eichhain, Ch., Kolbitsch, A., & Hofmann, R. (2014). New Design of Heat Recovery Steam Generator for Solar Thermal Hybrid Power Plants - Integrated Solar Combined Cycle System. In Boiler Designer 2014 (p. 20). http://hdl.handle.net/20.500.12708/67389 ( reposiTUm)

Hofmann, R., Walch, T., & Kolbitsch, A. (2013). Anfahrvorgänge und Lastwechselgradienten bei Abhitzedampferzeuger mit Naturumlaufprinzip. In 45. Kraftwerkstechnisches Kolloquium (pp. 35–46). TK Verlag. http://hdl.handle.net/20.500.12708/67390 ( reposiTUm)

Daublebsky von Eichhain, Ch., Kolbitsch, A., & Hofmann, R. (2012). New Design of Heat Recovery Steam Generator (HRSG) for Solar Thermal Hybrid Power Plants ISCCS (Integrated Solar Combined Cycle System). In Power Gen. Power Gen Middle East, Doha, Non-EU. http://hdl.handle.net/20.500.12708/67391 ( reposiTUm)

Hofmann, R., & Walter, H. (2012). Comparison Between Numerical and Experimental Gas Side Heat Transfer and Pressure Drop of a Tube Bank with Solid and Segmented Circular I-fins. In ASME 2012 11th Biennial Conference on Engineering Systems Design and Analysis (p. 13). http://hdl.handle.net/20.500.12708/66555 ( reposiTUm)

Hofmann, R., Walch, T., Walter, H., & Daublebsky von Eichhain, Ch. (2012). Erfahrungen, Betriebsverhalten und Optimierung von Abhitzedampferzeuger. In VGB-Fachtagung Dampferzeuger, Industrie- und Heizkraftwerke 2012 (p. 12). http://hdl.handle.net/20.500.12708/66530 ( reposiTUm)

Walter, H., Dobias, C., Holzleithner, F., & Hofmann, R. (2011). Numerical Analysis of the Fluid Flow in a Channel between Gas Turbines and Heat Recovery Steam Generator. In Recent Researches in Mechanics (p. 8). http://hdl.handle.net/20.500.12708/66333 ( reposiTUm)

Hofmann, R., Fraß, F., & Ponweiser, K. (2008). Experimental Analysis of Enhanced Heat Transfer and Pressure-Drop of Serrated Finned-Tube Bundles with different Fin Geometries. In Theoretical and Experimental Aspects of Heat and Mass Transfer (pp. 54–62). WSEAS Press. http://hdl.handle.net/20.500.12708/65719 ( reposiTUm)

Hofmann, R., Fraß, F., & Ponweiser, K. (2008). Performance Evaluation of Solid and Serrated Finned-Tube Bundles with Different Fin Geometries in Forced Convection. In 5th European Thermal-Sciences Conference (pp. 1–8). http://hdl.handle.net/20.500.12708/65734 ( reposiTUm)

Hofmann, R., Fraß, F., & Ponweiser, K. (2008). Experimental Heat Transfer Investigation of Tube Row Effects at Air Side Heat Exchanger with Serrated Finned-Tubes. In New Aspects of Heat Transfer, Thermal Engineering and Environment (pp. 193–201). WSEAS Press. http://hdl.handle.net/20.500.12708/65763 ( reposiTUm)

Walter, H., Hofmann, R., & Kolbitsch, A. (2012). Heat Recovery with Combined Cycle Power Plants - Present and Future Technology. In V. Petrova (Ed.), Advances in Engineering Research (pp. 323–408). Nova Science Publishers, Inc. http://hdl.handle.net/20.500.12708/27681 ( reposiTUm)

Fraß, F., Hofmann, R., & Ponweiser, K. (2015). Principles of Finned-Tube Heat Exchanger Design for Enhanced Heat Transfer. WSEAS Press. http://hdl.handle.net/20.500.12708/23963 ( reposiTUm)

Hofmann, R. (2009). Experimental and Numerical Gas-Side Performance Evaluation of Finned-Tube Heat Exchangers. VDI Verlag GmbH. http://hdl.handle.net/20.500.12708/22999 ( reposiTUm)

Fraß, F., Hofmann, R., & Ponweiser, K. (2008). Principles of Finned-Tube Heat Exchangers Design for Enhanced Heat Transfer. WSEAS Press. http://hdl.handle.net/20.500.12708/22739 ( reposiTUm)

Hofmann, R. (2025). Industrielle Abwärmenutzung – internationale Beispiele [Presentation]. NEFI Technology Talk, Austria. ( reposiTUm)

Fischer, M., Schirrer, A., & Hofmann, R. (2025, February 27). Robust optimal control for the provision of redispatch in industrial systems [Conference Presentation]. IEWT 2025, Austria. ( reposiTUm)

Lessig, L., Fischer, M., & Hofmann, R. (2025, February 27). Zweistufiges stochastisches Unit Commitment für  industrielle Prosumer [Conference Presentation]. IEWT 2025, Austria. ( reposiTUm)

Zechner, N., Birkelbach, F., Schwarzmayr, P., & Hofmann, R. (2024, July). Determination of heat transfer coefficients in wood-based panel finishing [Conference Presentation]. 17th International Conference on Advanced Computational Engineering and Experimenting (ACEX2024), Barcelona, Spain. ( reposiTUm)

Frenzel, P., Birkelbach, F., Koch, S., Arthofer, F., & Hofmann, R. (2024, July 4). Prediction of Residence Time Distribution of a Single-Screw Rubber Extruder by Parameterising the Transfer Function using Experimental Data [Conference Presentation]. 17th International Conference on Advanced Computational Engineering and Experimenting (ACEX2024), Barcelona, Spain. ( reposiTUm)

Sao Paulo Ruela, V., Van Beurden, P., Hofmann, R., & Birkelbach, F. (2024, July). A heuristic for fitting piecewise-linear models of bivariate functions with simplices and its application to an industrial use case [Conference Presentation]. EURO24, Copenhagen, Denmark. https://doi.org/10.5281/ZENODO.12760505 ( reposiTUm)

Freiin von Tubeuf, C. S., Birkelbach, F., & Hofmann, R. (2023, May 26). Using Reinforcement Learning to Optimize Operational Strategies for Wind Energy Systems [Conference Presentation]. WESC 2023, Glasgow, United Kingdom of Great Britain and Northern Ireland (the). https://doi.org/10.34726/4242 ( reposiTUm)

Sao Paulo Ruela, V., Van Beurden, P., Sinnema, S., Hofmann, R., & Birkelbach, F. (2023, September 27). Advanced Analytics Applied to Improve the Energy Efficiency of Steel Ladle Logistics [Poster Presentation]. UNITECR23, Frankfurt, Germany. https://doi.org/10.5281/ZENODO.8375248 ( reposiTUm)

Hofmann, R. (2022). Highly efficient, flexible and sector-coupled industrial energy system. Expert Workshop on Design and Operation of Digitalized Sector-coupled Energy Systems, Hamburg, Germany. http://hdl.handle.net/20.500.12708/95464 ( reposiTUm)

Hofmann, R. (2022). Lectures in Applied Heat & Power Technology (AHPT). MJ2426, Applied Heat & Power Technology (AHPT), KTH Stockholm, Sweden. http://hdl.handle.net/20.500.12708/95466 ( reposiTUm)

Hofmann, R. (2022, June 29). Industrial excess heat utilisation - Conclusions from international networking within the IETS TCP Annex XV –Task 3 [Presentation]. NEFI Technology Talk: Net-Zero now!, Austria. ( reposiTUm)

Birkelbach, F., & Hofmann, R. (2022). Digital twins in industrial energy systems: Insights from IEA IETS Task XVIII Subtask 2. ISEC 2022 - 2nd International Sustainable Energy Conference, Graz, Austria. http://hdl.handle.net/20.500.12708/95664 ( reposiTUm)

Hofmann, R. (2022, September 26). New optimization paradigms for sector-coupled industrial energy systems [Keynote Presentation]. Antrittsvorlesung Prof. Hofmann, Wien, Austria. ( reposiTUm)

Hofmann, R., & Schenzel, K.-W. (2022, June 22). Management und Betriebssicherheit in komplexen Energiesystemen [Presentation]. evon up2date 2022, Schloss Schielleiten, Austria. ( reposiTUm)

Kasper, L., & Hofmann, R. (2021). DIGI STEAM - Digitalization and the Digital Twin in the Energy Sector. 2. VGB digi-Tag - Umsetzung der strategischen Handlungsfelder in der Digitalisierung, Essen, Germany. http://hdl.handle.net/20.500.12708/95469 ( reposiTUm)

Kasper, L., & Hofmann, R. (2021). DIGI STEAM - Digitalization in the field of steam supply systems. VGB Summer School Webinar 2021 - Future Energy Technologies, Würzburg, Germany. http://hdl.handle.net/20.500.12708/95470 ( reposiTUm)

Halmschlager, V., Birkelbach, F., & Hofmann, R. (2021). Digitales Arbeiten und nachhaltiges Produzieren. Digital Days 2021, Genial Digital: Das nachhaltige Wien, Wien, Austria. http://hdl.handle.net/20.500.12708/95665 ( reposiTUm)

Hofmann, R. (2020). Energy 4.0 - Digitalization Aspects and Innovative Optimization Methods for Industrial Plants and Systems. UNIDO Webinar Series: Smart industrial energy and current digitalization trends, Online, Austria. http://hdl.handle.net/20.500.12708/95433 ( reposiTUm)

Hofmann, R. (2020). Webinar: Betriebsoptimierung neu gedacht! Nutzung sämtlicher Abwärmepotenziale und Flexibilitäten - Digitaal- phänomenal. Dekarbonisierung der Industrie: Erneuerbare Prozesse und Energieeffizienz, Online, Austria. http://hdl.handle.net/20.500.12708/95434 ( reposiTUm)

Halmschlager, V., Pleschutznig, E., & Hofmann, R. (2020). Betriebsoptimierung - Realität und Zukunft. Dekarbonisierung der Industrie: Erneuerbare Prozesse und Energieeffizienz, Online, Austria. http://hdl.handle.net/20.500.12708/95435 ( reposiTUm)

Hofmann, R. (2020). Digitalisierung und Dekarbonisierung in der Industrie. RC Mödling, Maria Enzersdorf, Austria. http://hdl.handle.net/20.500.12708/95350 ( reposiTUm)

Hofmann, R. (2020). Industrielle Energietechnologien und Systeme Annex 15: Industrielle Abwärmenutzung. IEA Vernetzungstreffen 2020: Am Wendepunkt - Innovationsbeschleunigung zur Umsetzung der Energietransformation, Online, Austria. http://hdl.handle.net/20.500.12708/95374 ( reposiTUm)

Hofmann, R. (2020). Dekarbonisierung der Industrie - Die österreichische Beteiligung am Technologieprogramm “Industrielle Energietechnoligien und Systeme” der Internationalen Energieagentur. Dekarbonisierung der Industrie - Ziele, Übersicht, Rahmen, Online, Austria. http://hdl.handle.net/20.500.12708/95376 ( reposiTUm)

Hofmann, R. (2019). Lectures in Applied Heat & Power Technology (AHPT). MJ2426, Applied Heat & Power Technology (AHPT), KTH Stockholm, Sweden. http://hdl.handle.net/20.500.12708/95465 ( reposiTUm)

Hofmann, R. (2019). Energiemanagementsysteme und Betriebsmodellierung. Energy Lecture, AIT Center for Energy, Austria. http://hdl.handle.net/20.500.12708/95126 ( reposiTUm)

Navarri, P., & Hofmann, R. (2019). System Aspects of New Technologies for Decarbonization of Industrial Processes. International Expert Workshop Deep Decarbonization in Industry - IEA, IETS, TU Wien, Austria. http://hdl.handle.net/20.500.12708/95142 ( reposiTUm)

Hofmann, R., Kiedl, A., & Drexler-Schmid, G. (2019). HyStePs - Hybrides Speicherkonzept für effiziente Prozesse. Highlights der Energieforschung 2019 - Dekarbonisierung in der Industrie, TU Wien, Austria. http://hdl.handle.net/20.500.12708/95141 ( reposiTUm)

Hofmann, R., Halmschlager, V., & Knöttner, S. (2019). Digitalisierung, künstliche Intelligenz und verwandte Technologien zur Steigerung der Energieeffizienz und Reduzierung von Treibhausgasemmissionen in der Industrie. Digitalisierung in der Industrie - Workshop, Wien, Austria. http://hdl.handle.net/20.500.12708/95187 ( reposiTUm)

Hofmann, R., Knöttner, S., Triebnig, J., & Knötter, A. (2019). Smart Industrial Concept - Holistic Approach with Digitalization of Industrial Processes and Applications for 2050 and beyond. Blickpunkt Forschung : Klimaschutz konkret @ TU Wien, Wien, Austria. http://hdl.handle.net/20.500.12708/95185 ( reposiTUm)

Hofmann, R., Halmschlager, V., & Knöttner, S. (2019). Digitalisierung, Künstliche Intelligenz und verwandte Technologien - Annex XVIII. Digitalisierung in der Industrie - Workshop, Wien, Austria. http://hdl.handle.net/20.500.12708/95186 ( reposiTUm)

Hofmann, R. (2018). Smart Industrial Concept! Holistic Approach with Digitalization of Industrial Processes and Applications for 2050 and beyond. evon up2date, Schielleiten, Austria. http://hdl.handle.net/20.500.12708/94869 ( reposiTUm)

Hofmann, R. (2018). Smart Industrial Concept! - Holistic Approach with Digitalization of Industrial Processes and Applications for 2050 and beyond. Workshop Annex 15 “Industrielle Abwärmenutzung - Chancen & Hindernisse,” Industriellenvereinigung, Wien, Austria. http://hdl.handle.net/20.500.12708/94925 ( reposiTUm)

Hofmann, R., & Beck, A. (2018). IEA IETS ANNEX 15 Industrial Excess Heat Recovery. Highlights der Energieforschung 2018 - Systemintegration & Sektorkopplung, TU Wien, Austria. http://hdl.handle.net/20.500.12708/94849 ( reposiTUm)

Hofmann, R. (2018). Design Optimization and Operational Optimization of Industrial Energy Supply Systems - using the Example of Thermal Energy Storage. AIT Symposium Empowering Innovation Tomorrow by Basic Research Today, AIT Wien, Austria. http://hdl.handle.net/20.500.12708/94891 ( reposiTUm)

Hofmann, R. (2018). Flexibilisierungspotential von thermischen Energieanlagen für transientes Verhalten. VO610701005 Regelung von Kraftwerken und Netzen, Stuttgart, Germany. http://hdl.handle.net/20.500.12708/95029 ( reposiTUm)

Hofmann, R. (2018). Innovations for energy systems in industry - Modeling - Components - Operation. COP24 - New Technology and Innovation - Contributing to Decarbonisation and Sustainability, TU Wien, Kattowitz, Poland. http://hdl.handle.net/20.500.12708/95031 ( reposiTUm)

Hofmann, R. (2018). Lectures in Applied Heat & Power Technology (AHPT). MJ2426, Applied Heat & Power Technology (AHPT), Stockholm, Sweden. http://hdl.handle.net/20.500.12708/95030 ( reposiTUm)

Hofmann, R. (2018). Smart Industrial Concept! - Design- and Operational Optimization. OSIsoft PI World, Barcelona, Spain. http://hdl.handle.net/20.500.12708/94914 ( reposiTUm)

Hofmann, R. (2018). Innovations for energy systems in industry - to reduce industry’s share of 1/3 of world energy consumption. COP24 - Expert dialogue on accelerating the transformation to carbon-neutrality, Climate Change Centre Austria CCCA, Kattowitz, Poland. http://hdl.handle.net/20.500.12708/95010 ( reposiTUm)

Hofmann, R., & Beck, A. (2017). IETS Annex 15 Industrielle Abwärmenutzung - Optimierte Prozessintegration. Symposium “Solarthermie und Wärmepumpen in der Industrie,” Industriellenvereinigung, Wien, Austria. http://hdl.handle.net/20.500.12708/94621 ( reposiTUm)

Hofmann, R., & Beck, A. (2017). IEA IETS ANNEX 15 Industrielle Abwärmenutzung - Integration von thermischen Komponenten in zeitabhängige Prozesse mittels mathematischer Optimierung. IEA Vernetzungstreffen 2017: Die Transformation des Energiesystems als sozial-ökologische Aufgabe, Salzburg, Austria. http://hdl.handle.net/20.500.12708/94646 ( reposiTUm)

Hofmann, R. (2017). Flexibilisierungspotential von thermischen Energieanlagen für transientes Verhalten. VO610701005 Regelung von Kraftwerken und Netzen, Stuttgart, Germany. http://hdl.handle.net/20.500.12708/94726 ( reposiTUm)

Hofmann, R. (2017). Integration Methods of Thermal Energy Storages for Load Flexibilization of Industrial Energy Supply Systems. Workshop on Thermal Energy Storage at the Laboratory of Renewable Energy Sciences and Engineering (LRESE), Lausanne, Switzerland. http://hdl.handle.net/20.500.12708/94725 ( reposiTUm)

Hofmann, R., Koller, M., & Haider, M. (2016). Flexibilisierung von energie-intensiven Industrieanlagen durch Intergration zusätzlicher Technologien und Einsatzoptimierung. Evon Up2Date Smart Production, Stubenberg am See, Austria. http://hdl.handle.net/20.500.12708/94395 ( reposiTUm)

Dusek, S., Koller, M., & Hofmann, R. (2016). Demand-Side-Management und Integration von thermischen Speichern für flexiblere Energieanlagen. 48. Kraftwerkstechnisches Kolloquium 2016, Dresden, Deutschland, EU. http://hdl.handle.net/20.500.12708/94416 ( reposiTUm)

Hofmann, R. (2014). Betriebsmöglichkeiten und Lastwechselvorgänge bei Abhitzedampferzeugern nach Gasturbinen. 11. Sächsischer Kesseltag, Köthen, EU. http://hdl.handle.net/20.500.12708/94365 ( reposiTUm)

Bertsch, O., & Hofmann, R. (2013). CLC overall Process Integration. European Conference on Carbon Dioxide Capture and Storage, Antwerpen, EU. http://hdl.handle.net/20.500.12708/94364 ( reposiTUm)

Hofmann, R., & Ponweiser, K. (2009). Performance comparison of different solid/serrated finned-tubes in cross-flow. VDI-GVC Fachausschuss “Wärme- und Stoffübertragung,” Bad Dürkheim, EU. http://hdl.handle.net/20.500.12708/92746 ( reposiTUm)

Hofmann, R., & Ponweiser, K. (2007). Betrieb eines Rippenrohrprüfstandes mit quer angeströmten Rohren zum Vergleich von Wärmeübergang und Druckverlust zwischen spiralförmigen segmentierten I- und U-Rippenrohrgeometrien. VDI-GVC  FA-Sitzung “Wärme- und Stoffübertragung,” Jena, Austria. http://hdl.handle.net/20.500.12708/92337 ( reposiTUm)

Hofmann, R., Halmschlager, V., Knöttner, S., Leitner, B., Pernsteiner, D., Prendl, L., Sejkora, C., Steindl, G., & Traupmann, A. (2020). Digitalization in Industry - An Austrian Perspective. http://hdl.handle.net/20.500.12708/40039 ( reposiTUm)

Bataille, C., Ramirez, A., Hofmann, R., Lechtenboehmer, S., Lutter, E., Navarri, P., & Berntsson, T. (2019). Deeap Carbonization in Industry. http://hdl.handle.net/20.500.12708/40144 ( reposiTUm)

Hofmann, R., & Ponweiser, K. (2008). Experimental and Numerical Investigations of Serrated Finned-Tubes in Cross-Flow. http://hdl.handle.net/20.500.12708/35532 ( reposiTUm)

Ponweiser, K., Fraß, F., Hofmann, R., & Wingelhofer, F. (2006). Endbericht zur Energie- und Abwärmestudie 2005 (EAS 2005). http://hdl.handle.net/20.500.12708/34686 ( reposiTUm)

Hofmann, R. (2019). Aspects of design optimization and operational optimization for industrial energy systems [Professorial Dissertation, Technische Universität Wien]. reposiTUm. http://hdl.handle.net/20.500.12708/158882 ( reposiTUm)

Hofmann, R. (2017). Synchrone Fertigung von Aircraftkomponenten [Diploma Thesis, Technische Universität Wien]. reposiTUm. http://hdl.handle.net/20.500.12708/158446 ( reposiTUm)

Hofmann, R. (2004). Druckaufgeladene Wirbelschicht : Kohlenstoffbilanz und Korngrößenreduktion [Diploma Thesis, Technische Universität Wien]. reposiTUm. http://hdl.handle.net/20.500.12708/180500 ( reposiTUm)