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)

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)

Lüchinger, R., Adroher, N. D., Worlitschek, J., Walter, H., & Schuetz Philipp. (2024). An Elementary Approach to Evaluating the Thermal Self-Sufficiency of Residential Buildings With Thermal Energy Storage. Journal of Engineering for Sustainable Buildings and Cities (JESBC), 5, Article 041002. https://doi.org/10.1115/1.4066068 ( 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)

Sulzgruber, V., Unterlass, M., Cavalli, T., & Walter, H. (2022). Micro Encapsulated Phase Change Material for the Application in Thermal Energy Storage. Journal of Energy Resources Technology, 144(5). https://doi.org/10.1115/1.4051734 ( reposiTUm)

Sulzgruber, V., Wünsch, D., Haider, M., & Walter, H. (2020). Numerical investigation on the flow behavior of a novel fluidization based particle thermal energy storage (FP-TES). Energy, 200(117528), 117528. https://doi.org/10.1016/j.energy.2020.117528 ( reposiTUm)

Scharinger-Urschitz, G., Schwarzmayr, P., Walter, H., & Haider, M. (2020). Partial cycle operation of latent heat storage with finned tubes. Applied Energy, 280(115893), 115893. https://doi.org/10.1016/j.apenergy.2020.115893 ( reposiTUm)

Wünsch, D., Sulzgruber, V., Haider, M., & Walter, H. (2020). FP-TES: A Fluidisation-Based Particle Thermal Energy Storage, Part I: Numerical Investigations and Bulk Heat Conductivity. Energies, 13(17), 1–20. https://doi.org/10.3390/en13174298 ( reposiTUm)

Sulzgruber, V., Wünsch, D., Walter, H., & Haider, M. (2020). FP-TES: Fluidization Based Particle Thermal Energy Storage, Part II: Experimental Investigations. Energies, 13(17), 1–17. https://doi.org/10.3390/en13174302 ( 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)

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)

Scharinger-Urschitz, G., Walter, H., & Haider, M. (2019). Heat Transfer in Latent High-Temperature Thermal Energy Storage Systems—Experimental Investigation. Energies, 12(7), 1–19. https://doi.org/10.3390/en12071264 ( reposiTUm)

Gröbl, T., & Walter, H. (2018). Mathematical Modeling of a Biomass Steam Gasifier-A Modified Equilibrium Approach. Journal of Energy Resources Technology, 140(4). https://doi.org/10.1115/1.4039869 ( 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)

Walter, H., Strohmayer, N., & Hameter, M. (2018). One dimensional mathematical model for a thermocline energy storage device. International Journal of Mechanical Engineering, 3, 75–82. http://hdl.handle.net/20.500.12708/144477 ( reposiTUm)

Krimmel, S., Stamatiou, A., Worlitschek, J., & Walter, H. (2018). Experimental Characterization of the Heat Transfer in a latent Direct Contact Thermal Energy Storage with One Nozzle in Labor Scale. International Journal of Mechanical Engineering, 3, 83–97. http://hdl.handle.net/20.500.12708/144478 ( 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)

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)

Urschitz, G., Walter, H., & Brier, J. (2016). Experimental investigation on bimetallic tube compositions for the use in latent heat thermal energy storage units. Energy Conversion and Management, 125, 368–378. https://doi.org/10.1016/j.enconman.2016.05.054 ( 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)

Koller, M., Walter, H., & Hameter, M. (2016). Transient Numerical Simulation of the Melting and Solidification Behavior of NaNO3 Using a Wire Matrix for Enhancing the Heat Transfer. Energies, 9(3), 205. https://doi.org/10.3390/en9030205 ( reposiTUm)

Fraubaum, M., Walter, H., & Zuber, C. (2016). Kinetic modeling of a combined tar removal and methanation reactor for biogenous synthesis gas at medium temperature conditions. Fuel Processing Technology, 141, 159–166. https://doi.org/10.1016/j.fuproc.2015.06.003 ( 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)

Schwaiger, K., Haider, M., Haemmerle, M., Steiner, P., Walter, H., & Obermaier, M. (2015). Fluidized bed steam generators for direct particle absorption CSP-plants. Energy Procedia, 69, 1421–1430. https://doi.org/10.1016/j.egypro.2015.03.121 ( reposiTUm)

Walter, H., Beck, A., & Hameter, M. (2015). Influence of the Fin Design on the Melting and Solidification Process of NaNO3 in a Thermal Energy Storage System. Journal of Energy and Power Engineering, 9(11). https://doi.org/10.17265/1934-8975/2015.11.001 ( reposiTUm)

Scharinger-Urschitz, G., Walter, H., & Hameter, M. (2014). Laboratory Test Rig of a LHTES (Latent Heat Thermal Energy Storage): Construction and First Experimental Results. Journal of Energy and Power Engineering, 8(11), 1838–1847. http://hdl.handle.net/20.500.12708/157330 ( 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)

Gallmetzer, G., Ackermann, P., Schweiger, A., Kienberger, T., Gröbl, T., Walter, H., Zankl, M., & Kröner, M. (2012). The agnion Heatpipe-Reformer-operating experiences and evaluation of fuel conversion and syngas composition. Biomass Conversion and Biorefinery, 2(3), 207–215. https://doi.org/10.1007/s13399-012-0046-2 ( reposiTUm)

Gröbl, T., Walter, H., & Haider, M. (2012). Biomass steam gasification for production of SNG - Process design and sensivity analysis. Applied Energy, 97, 451–461. https://doi.org/10.1016/j.apenergy.2012.01.038 ( 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)

Walter, H. (2007). Dynamic simulation of natural circulation steam generators with the use of finite-volume-algorithms - A comparison of four algorithms. Simulation Modelling Practice and Theory, 15, 565–588. http://hdl.handle.net/20.500.12708/170037 ( reposiTUm)

Walter, H. (2007). Dynamic Flow Instability of Natural Circulation Heat Recovery Steam Generators. International Journal of Transport Phenomena, 9(2), 119–132. http://hdl.handle.net/20.500.12708/170046 ( reposiTUm)

Walter, H. (2007). Density Wave Oszillation in the Horizontal Parallel Tube Paths of the Evaporator of a Natural Circulation Heat Recovery Steam Generator - A Theoretical Investigation. WSEAS TRANSACTIONS on HEAT and MASS TRANSFER, 2(2), 17–27. http://hdl.handle.net/20.500.12708/170120 ( reposiTUm)

Walter, H., & Linzer, W. (2006). The influence of the operating pressure on the stability of natural circulation systems. Applied Thermal Engineering, 26(8/9), 892–897. http://hdl.handle.net/20.500.12708/174075 ( reposiTUm)

Walter, H., & Linzer, W. (2006). Investigation of the stability of a natural circulation two-pass boiler. Heat and Mass Transfer, 42(6), 562–568. http://hdl.handle.net/20.500.12708/174100 ( reposiTUm)

Walter, H., & Linzer, W. (2006). Reverse Flow in Natural Circulation Systems with Unequally Heated Tubes. WSEAS TRANSACTIONS on HEAT and MASS TRANSFER, 1, 3–10. http://hdl.handle.net/20.500.12708/174094 ( reposiTUm)

Walter, H. (2006). Theoretical Stability Analysis of a Natural Circulation Two-Pass Steam Generator: Influence of the Heating Profile and Operation Pressure. WSEAS TRANSACTIONS on HEAT and MASS TRANSFER, 1(3), 274–282. http://hdl.handle.net/20.500.12708/174120 ( reposiTUm)

Walter, H., & Linzer, W. (2006). Flow Stability of Heat Recovery Steam Generators. Journal of Engineering for Gas Turbines and Power, 128, 840–848. http://hdl.handle.net/20.500.12708/174131 ( reposiTUm)

Walter, H., & Linzer, W. (2005). Numerical Simulation of a Three Stage Natural Circulation Heat Recovery Steam Generator. IASME TRANSACTIONS, VOL. 2(Nr. 8), 1343–1349. http://hdl.handle.net/20.500.12708/174038 ( reposiTUm)

Lüchinger, R., Adroher, N. D., Worlitschek, J., Walter, H., & Schuetz Philipp. (2024). An elementary approach to evaluating the thermal self-sufficiency of residential buildings with thermal energy storage. In Proceedings of the ASME 2024 18th International Conference on Energy Sustainability ES2024 (pp. 1–8). http://hdl.handle.net/20.500.12708/199850 ( 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)

Sulzgruber, V., Walter, H., Unterlass, M. M., Cavalli, T., & Haider, M. (2020). Production of micro encapsulated phase change material. In Proceedings of the 16th Minisymposium Verfahrenstechnik and 7th Partikelforum (pp. 1–2). http://hdl.handle.net/20.500.12708/68198 ( reposiTUm)

Sulzgruber, V., Walter, H., Unterlass, M. M., Cavalli, T., & Haider, M. (2020). Production of micro encapsulated phase change material. In C. Jordan (Ed.), Proceedings of the 16th Minisymposium Verfahrenstechnik and 7th Partikelforum (TU Wien, Sept. 21/22, 2020) (pp. MoV5-(04) page 1-MoV5-(04) page 2). chemical-engineering.at. https://doi.org/10.34726/567 ( reposiTUm)

Sulzgruber, V., Wünsch, D., Haider, M., & Walter, H. (2019). Development of a novel Fluidization Based Particle TES. In Conference Proceedings 15th Minisymposium Verfahrenstechnik, 6th Partikelforum (p. 78). http://hdl.handle.net/20.500.12708/67970 ( reposiTUm)

Scharinger-Urschitz, G., Walter, H., & Haider, M. (2019). Packed Bed Regenerator for Storing High Temperature Heat in Gravel. In Advances in Thermal Energy Storage (pp. 1–8). http://hdl.handle.net/20.500.12708/67977 ( reposiTUm)

Scharinger-Urschitz, G., Walter, H., & Bauernfeind, T. (2019). NOVEL FIN GEOMETRY FOR A LATENT HIGH TEMPERATURE THERMAL ENERGY STORAGE - EXPERIMENTAL INVESTIGATION. In Proceeding of 4th Thermal and Fluids Engineering Conference. 4th Thermal and Fluids Engineering Conference, Las Vegas, Nevada, United States of America (the). ASTFE Digital Library. https://doi.org/10.1615/tfec2019.tes.027516 ( reposiTUm)

Scharinger-Urschitz, G., Hameter, M., Illyes, V., & Walter, H. (2018). Experimental Investigation on a High Temperature Latent TES with Novel Fin Geometry. In Procedings of the 13th Conference on Sustainable Development of Energy, Water and Environment System (p. 12). http://hdl.handle.net/20.500.12708/67887 ( reposiTUm)

Steiner, P., Schwaiger, K., Haider, M., & Walter, H. (2017). System analysis of central receiver concepts with high temperature thermal energy storages: Receiver technologies and storage cycles. In Proceedings of the 22nd SolarPACES 2016 International Conference, Abu Dhabi, UAE. SOLARPACES 2016: International Conference on Concentrating Solar Power and Chemical Energy Systems, Abu Dhabi, United Arab Emirates (the). AIP Publishing LLC. https://doi.org/10.1063/1.4984489 ( 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)

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)

Hameter, M., Böswarth, M., & Walter, H. (2017). Transient Numerical Analysis of a Finned Tube Design with Combined Longitudinal and Transversal Fins for Latent Thermal Energy Storage Devices. In J. Krope, A. G. Olabi, D. Goričanec, & S. Božičnik (Eds.), 10th International Conference on Sustainable Energy and Environmental Protection (June 27th – 30th, 2017, Bled, Slovenia) (Conference Proceedings) : Energy Storage (pp. 57–70). University of Maribor Press. https://doi.org/10.18690/978-961-286-052-3.6 ( reposiTUm)

Mayrhuber, F., Walter, H., & Hameter, M. (2017). Experimental and Numerical Investigation on a Fixed Bed Regenerator. In J. Krope, A. G. Olabi, D. Goričanec, & S. Božičnik (Eds.), 10th International Conference on Sustainable Energy and Environmental Protection (June 27th – 30th, 2017, Bled, Slovenia) (Conference Proceedings) : Energy Storage (pp. 43–56). University of Maribor Press. https://doi.org/10.18690/978-961-286-052-3.5 ( reposiTUm)

Steiner, P., Schwaiger, K., Haider, M., Walter, H., Krassini, L., & Gatterer, J. (2017). Experimental Investigations on a 280 kWth Fluidized Bed Heat Exchanger. In Proceedings of the Solar Paces 2017 (p. 8). http://hdl.handle.net/20.500.12708/67787 ( reposiTUm)

Steiner, P., Schwaiger, K., Walter, H., & Haider, M. (2016). Active fluidized bed technology used for thermal energy storage. In Proceedings of the ASME 2016 10th International Conference on Energy Sustainability (p. 10). http://hdl.handle.net/20.500.12708/67413 ( reposiTUm)

Steiner, P., Schwaiger, K., Haider, M., Walter, H., & Hämmerle, M. (2016). Increasing load flexibility and plant dynamics of caloric power plants via the implementation of thermal energy storage. In Proceedings of the ASME 2016 Power Conference (p. 10). http://hdl.handle.net/20.500.12708/67414 ( reposiTUm)

Steiner, P., Schwaiger, K., Walter, H., Haider, M., & Hämmerle, M. (2016). Fluidized bed particle heat exchanger for supercritical carbon dioxide power cycles. In Proceedings of the ASME 2016 International Mechanical Engineering Congress and Exposition IMECE2016 (p. 9). http://hdl.handle.net/20.500.12708/67498 ( reposiTUm)

Steiner, P., Schwaiger, K., Haider, M., & Walter, H. (2016). System Analysis of Central Receiver Concepts with High Temperature Thermal Energy Storages: Receiver Technologies and Storage Cycles. In Proceedings of the Solar Paces 2016 (p. 8). http://hdl.handle.net/20.500.12708/67500 ( reposiTUm)

Koller, M., Beck, A., Walter, H., & Hameter, M. (2016). Comparison of Different Heat Exchanger Tube Designs used in Latent Heat Thermal Energy Storage Systems - a Numerical Study. In 26th European Symposium on Computer Aided Process Engineering Part A (p. 6). Elsevier Verlag. http://hdl.handle.net/20.500.12708/67405 ( reposiTUm)

Hameter, M., & Walter, H. (2016). Influence of the Mushy Zone Constant on the Numerical Simulation of the Melting and Solidification Process of Phase Change Materials. In 26th European Symposium on Computer Aided Process Engineering Part A (p. 6). Elsevier B.V. http://hdl.handle.net/20.500.12708/67406 ( 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)

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)

Scharinger-Urschitz, G., Walter, H., & Brier, J. (2015). Experimental Investigation on Compositions and Materials for Finned Bimetal Tubes for the use in Latent Heat Thermal Energy Storage Units. In Proceedings of the 10th Conference on Sustainable Development of Energy, Water and Environment Systems (pp. 0565-1-0565–14). http://hdl.handle.net/20.500.12708/67250 ( reposiTUm)

Koller, M., Walter, H., & Hameter, M. (2015). Transient numerical simulation of the melting behavior of NaNO3 in a latent thermal energy storage device using a wire matrix for enhancing the heat transfer. In Proceedings of the 11th International Conference on Heat and Mass Transfer (HMT ’15) (pp. 9–17). http://hdl.handle.net/20.500.12708/67305 ( reposiTUm)

Fraubaum, M., & Walter, H. (2015). Modeling and Sensitivity Analysis of a Medium-Temperature Gas Cleaning Process of Biogenous Synthesis Gas. In K. Gernaey, J. Huusom, & R. Gani (Eds.), 12th International Symposium on Process systems Engineering and 25th European Symposium on Computer Aided Process Engineering Part A (pp. 527–532). Computer Aided Chemical Engineering/Elsevier. http://hdl.handle.net/20.500.12708/67211 ( reposiTUm)

Fraubaum, M., & Walter, H. (2015). Process design of a small-scale production of biogenous SNG using a medium temperature gas cleaning process. In Proceedings of the ASME-ATI-UIT 2015 Conference on Thermal Energy Systems: Production, Storage, Utilization and the Environment (p. 8). http://hdl.handle.net/20.500.12708/67208 ( reposiTUm)

Fraubaum, M., & Walter, H. (2015). Medium-temperature Catalytic Tar Reforming of Biogenous Synthesis Gas - Modeling and Sensitivity analysis. In Conference Proceedings 2nd International Conference on Renewable Energy Gas Technology (pp. 1–2). http://hdl.handle.net/20.500.12708/67195 ( reposiTUm)

Scharinger-Urschitz, G., Brier, J., Walter, H., Mertz, R., Bleicher, F., & Haider, M. (2015). New design of a bimetallic finned tube for the use in latent heat thermal energy storage units. In ASME 2015 9th International Conference on Energy Sustainability (p. 13). http://hdl.handle.net/20.500.12708/67232 ( reposiTUm)

Beck, A., Koller, M., Walter, H., & Hameter, M. (2015). Transient numerical analysis of different finned tube designs for the use in latent heat thermal energy storage cevices. In ASME 2015 9th International Conference on Energy Sustainability (p. 11). http://hdl.handle.net/20.500.12708/67231 ( reposiTUm)

Walter, H., Beck, A., & Hameter, M. (2015). Transient analysis of an improved finned tube heat exchanger for thermal energy storage system. In ASME 2015 9th International Conference on Energy Sustainability (p. 14). http://hdl.handle.net/20.500.12708/67230 ( reposiTUm)

Scharinger-Urschitz, G., Walter, H., & Hameter, M. (2014). Experimental investigation of a finned mono tube - latent heat energy storage (LHTES). In Proceedings of the ASME 2014 8th International Conference on Energy Sustainability ES2014 (p. 8). http://hdl.handle.net/20.500.12708/67012 ( 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)

Schwaiger, K., Haider, M., Walter, H., Puigpinos, M., & Prötsch, A. (2012). Thermal storage of superheated steam in a combined sensible/latent TES. In Proceedings of the Solarpaces 2012 (p. 10). http://hdl.handle.net/20.500.12708/66867 ( reposiTUm)

Gallmetzer, G., Ackermann, P., Schweiger, A., Kienberger, T., Gröbl, T., Walter, H., Zankl, M., & Kröner, M. (2011). The agnion Heatpipe-Reformer - Operating Experiences and Evaluation of Fuel Conversion and Syngas Composition. In Proceedings of the 11th International Conference on Polygeneration Strategies ICPS (pp. 13–22). http://hdl.handle.net/20.500.12708/66371 ( reposiTUm)

Gröbl, T., Walter, H., & Haider, M. (2011). Biomass steam gasification - Mathematical modeling of an innovative pressurized gasification process. In Resent Researches in Mechanics (p. 6). http://hdl.handle.net/20.500.12708/66334 ( reposiTUm)

Gröbl, T., Walter, H., Haider, M., & Gallmetzer, G. (2011). Biomass steam gasification - Mathematical modeling and analysis of the thermo-chemical gasification process. In Proceedings of the 11th International Conference on Polygeneration Strategies (pp. 261–268). http://hdl.handle.net/20.500.12708/66370 ( reposiTUm)

Gröbl, T., Walter, H., & Haider, M. (2011). Biomass steam gasification for production of SNG - Modeling and sensitivity analysis. In Proceedings of the Third International Conference on Applied Energy (p. 14). http://hdl.handle.net/20.500.12708/66308 ( 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)

Huber, D., & Walter, H. (2010). Forced convection heat transfer in the transition region between laminar and turbulent flow for a vertical circular tube. In N. Mastorakis, V. Mladenov, & Z. Bojkovic (Eds.), Latest Trends on Theoretical & Applied Mechanics, Fluid Mechanics and Heat & Mass Transfer (pp. 132–136). http://hdl.handle.net/20.500.12708/66113 ( reposiTUm)

Henrion, T. (2009). Dynamic simulation of a steam distribution system. In H. Walter, A. Werner, & M. Haider (Eds.), Proceedings of the C&SEE International Solid Waste Management Symposium (pp. 16–21). Institut für Thermodynamik und Energiewandlung. http://hdl.handle.net/20.500.12708/66050 ( reposiTUm)

Wertz, D. (2009). Gridless Polygeneration on a Renewable Basis. In H. Walter, A. Werner, & M. Haider (Eds.), Proceedings of the C&SEE International Solid Waste Management Symposium (pp. 22–25). http://hdl.handle.net/20.500.12708/66051 ( reposiTUm)

Schimon, R. (2009). Dynamic simulation of different gas distribution systems in integrated iron and steel works. In H. Walter, A. Werner, & M. Haider (Eds.), Proceedings of the C&SEE International Solid Waste Management Symposium (pp. 9–15). Institut für Thermodynamik und Energiewandlung. http://hdl.handle.net/20.500.12708/66049 ( reposiTUm)

Steiner, A. (2009). An energy-efficiency study of a cement factory. In H. Walter, A. Werner, & M. Haider (Eds.), Proceedings of the C&SEE International Solid Waste Management Symposium (pp. 1–9). Institut für Thermodynamik und Energiewandlung. http://hdl.handle.net/20.500.12708/66048 ( reposiTUm)

Wilmersdorf, H., Walter, H., Werner, A., & Haider, M. (2009). Heat Transfer in Furnaces under Oxyfuel Combustion Conditions. In N. Mastorakis, C. Helmis, & C. Papageorgiou (Eds.), Proceedings of the 5th International Conference on Energy, Environment, Ecosystems and Sustainable Development (EEESD 09) (pp. 51–56). http://hdl.handle.net/20.500.12708/65949 ( reposiTUm)

Eisl, R., Werner, A., Walter, H., & Haider, M. (2008). A Comparison between CFD-Simulation and Experimental Observation of Solids Distribution in a CFB-Test Rig. In J. Werther, W. Nowak, K.-E. Wirth, & E.-U. Hartge (Eds.), Circulating Fluidized Bed Technology IX (pp. 295–300). http://hdl.handle.net/20.500.12708/65733 ( reposiTUm)

Werner, A., Walter, H., & Haider, M. (2008). Modelling and Experimental Investigation of Size Distribution of Inventory Material in CFB-Combusters. In J. Werther, W. Nowak, K.-E. Wirth, & E.-U. Hartge (Eds.), Circulating Fluidized Bed Technology IX (pp. 571–576). http://hdl.handle.net/20.500.12708/65732 ( reposiTUm)

Walter, H., & Linzer, W. (2008). Density Wave Oscillation in a Vertical Type Natural Circulation Heat Recovery Steam Generator - a Numerical Study. In Proceedings of the ASME Turbo Expo 2008 (p. 11). http://hdl.handle.net/20.500.12708/65749 ( reposiTUm)

Walter, H. (2008). Modeling and Stability Analyses of Natural Circulation Steam Generators. In NEW ASPECTS of HEAT TRANSFER, THERMAL ENGINEERING and ENVIRONMENT (p. 1). WSEAS Press. http://hdl.handle.net/20.500.12708/65765 ( reposiTUm)

Walter, H. (2008). Development of Nomograms for the Calculation of the Temperature Distribution in a Membrane Wall. In Proceedings of the 2008 ASME International Mechanical Engineering Congress and Exposition (p. 10). http://hdl.handle.net/20.500.12708/65782 ( reposiTUm)

Zindler, H., Walter, H., Hauschke, A., & Leithner, R. (2008). Dynamic Simulation of a 800 MWel Hard Coal One-Through Supercritical Power Plant to Fulfill the Great Britain Grid Code. In NEW ASPECTS of HEAT TRANSFER, THERMAL ENGINEERING and ENVIRONMENT (pp. 184–192). WSEAS Press. http://hdl.handle.net/20.500.12708/65764 ( reposiTUm)

Walter, H. (2007). Numerical Analysis of Density Wave Oszillations in the Horizontal Parallel Tube Paths of the Evaporator of a Natural Circulation Heat Recovery Steam Generator. In Proceedings of the 5th IASME/WSEAS International Conference on HEAT TRANSFER, THERMAL ENGINEERING and ENVIRONMENT (HTE’07) (pp. 172–179). WSEAS Press. http://hdl.handle.net/20.500.12708/65565 ( reposiTUm)

Walter, H., & Linzer, W. (2006). Flow Reversal in a Horizontal Type Natural Circulation Heat Recovery Steam Generator. In ASME Turbo Expo 2006: Power for Land, Sea, and Air (p. 9). http://hdl.handle.net/20.500.12708/65383 ( reposiTUm)

Walter, H. (2006). Numerical Stability Analysis of a Natural Circulation Steam Generator with a Non-uniform Heating Profile over the tube length. In Proceedings of the 4th IASME / WSEAS Int. Conf. on HEAT TRANSFER, THERMAL ENGINEERING and ENVIRONMENT (p. 7). http://hdl.handle.net/20.500.12708/65400 ( reposiTUm)

Walter, H., & Ponweiser, K. (2006). Temperature distribution in membrane walls. In 10th International Conference on Boiler Technology 2006 (pp. 203–214). http://hdl.handle.net/20.500.12708/65415 ( reposiTUm)

Walter, H., & Linzer, W. (2006). Stability analysis of natural circulation systems. In Proceedings of the 2006 WSEAS/IASME International Conference on Heat and Mass Transfer (pp. 62–68). http://hdl.handle.net/20.500.12708/65367 ( reposiTUm)

Walter, H., & Linzer, W. (2005). Numerical Simulation of a Three Stage Natural Circulation Heat Recovery Steam Generator. In Proceedings of the WSEAS and IASME Conference: 3rd IASME/WSEAS Int. Conf. on HEAT TRANSFER, THERMAL ENGINEERING & ENVIRONMENT (p. 7). http://hdl.handle.net/20.500.12708/65233 ( reposiTUm)

Walter, H., & Linzer, W. (2005). Influence of the Boiler Design on the Flow Stability of Natural Circulation Heat Recovery Steam Generators. In International III Scientific and Technical Conference 2005 Energy from Gas (pp. 337–348). http://hdl.handle.net/20.500.12708/65214 ( reposiTUm)

Walter, H., Linzer, W., & Schmid, T. (2005). Dynamic flow instability of natural circulation heat recovery steam generators. In ISTP - 16, The 16th International Symposium on Transport Phenomena (p. 11). http://hdl.handle.net/20.500.12708/65237 ( reposiTUm)

Walter, H. (2015). Dampferzeuger. In P. Klug & J. Mußmann (Eds.), Schweißtechnisches Handbuch Druckgerätebau (pp. 258–271). DVS Media GmbH. http://hdl.handle.net/20.500.12708/28610 ( 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)

Epple, B., Leithner, R., Müller, H., Ponweiser, K., Walter, H., & Werner, A. (2009). Umwandlung und Transport von Energie, Impuls und Stoffen. In B. Epple, R. Leithner, W. Linzer, & H. Walter (Eds.), Simulation von Kraftwerken und wärmetechnischen Anlagen (pp. 17–158). Springer-Verlag. http://hdl.handle.net/20.500.12708/26503 ( reposiTUm)

Epple, B., Leithner, R., Linzer, W., Walter, H., & Werner, A. (2009). Simulation der Feuerung und Gasströmung. In B. Epple, R. Leithner, W. Linzer, & H. Walter (Eds.), Simulation von Kraftwerken und wärmetechnischen Anlagen (pp. 241–367). Springer-Verlag. http://hdl.handle.net/20.500.12708/26505 ( reposiTUm)

Leithner, R., Müller, H., Ponweiser, K., Walter, H., & Zindler, H. (2009). Numerische Methoden. In B. Epple, R. Leithner, W. Linzer, & H. Walter (Eds.), Simulation von Kraftwerken und wärmetechnischen Anlagen (pp. 159–240). Springer-Verlag. http://hdl.handle.net/20.500.12708/26504 ( reposiTUm)

Walter, H., & Ponweiser, K. (2009). Dampferzeugersimulation - Simulation der Wasser- und Dampfströmung. In B. Epple, R. Leithner, W. Linzer, & H. Walter (Eds.), Simulation von Kraftwerken und wärmetechnischen Anlagen (pp. 415–494). Springer-Verlag. http://hdl.handle.net/20.500.12708/26506 ( reposiTUm)

Walter, H., & Epple, B. (2017). Numerical Simulation of Power Plants and Firing Systems. Springer-Verlag. https://doi.org/10.1007/978-3-7091-4855-6 ( reposiTUm)

Epple, B., Leithner, R., Linzer, W., & Walter, H. (2012). Simulation von Kraftwerken und Feuerungen. Springer-Verlag. http://hdl.handle.net/20.500.12708/23484 ( reposiTUm)

Epple, B., Leithner, R., Linzer, W., & Walter, H. (Eds.). (2009). Simulation von Kraftwerken und wärmetechnischen Anlagen. Springer-Verlag. http://hdl.handle.net/20.500.12708/22940 ( reposiTUm)

Walter, H. (2006). Ein Beitrag zur statischen und dynamischen Stabilität von Naturumlaufdampferzeugern. VDI Verlag GmbH. http://hdl.handle.net/20.500.12708/22699 ( reposiTUm)

Walter, H., Werner, A., & Haider, M. (Eds.). (2009). Proceedings of the C&SEE International Solid Waste Management Symposium. Institut für Thermodynamik und Energiewandlung. http://hdl.handle.net/20.500.12708/22962 ( reposiTUm)

Walter, H. (2024, January 17). Thermische Energiespeicher für Mitteltemperaturanwendung [Keynote Presentation]. Megatrend Dekarbonisierung: Technologien und Lösungen für die Klimaneutralität der Industrie, Vöklabruck, Austria. ( reposiTUm)

Bayer, M., Meister, C., Sotnikov, A., Dahash, A., Schuetz, P., Walter, H., & Villasmil, W. (2024, September 11). Methodological Development of a Reduced-Order Data- Driven Model from Detailed Numerical Simulations for Seasonal Thermal Energy Storage (STES) [Conference Presentation]. 10th International Conference on Smart Energy Systems, Aalborg, Denmark. http://hdl.handle.net/20.500.12708/201845 ( reposiTUm)

Walter, H., Thanheiser, S., & Haider, M. (2021). High temperature heat storage for the thermal centre Dürnrohr. IEA IETS Annex XV Task 3: Industrielle Abwärmenutzung, Web-Konferenz, Unknown. http://hdl.handle.net/20.500.12708/95447 ( reposiTUm)

Krimmel, S., Stamatiou, A., Worlitschek, J., & Walter, H. (2021). Operation and characteristics of a direct contact latent thermal energy storage. 2021 Enerstock Conference, Ljubljana, Slovenia. http://hdl.handle.net/20.500.12708/95468 ( reposiTUm)

Walter, H., & Werner, A. (2019). Compact high performance heat storage systems - High efficient use of waste heat from industry and power plants from 150° to 850°C. Hannover Messe, Hannover, Germany. http://hdl.handle.net/20.500.12708/95097 ( reposiTUm)

Sulzgruber, V., Wünsch, D., Haider, M., & Walter, H. (2019). Numerical investigation on the flow behavior of a novel fluidization based particle thermal energy storage (FP-TES). XII International Conference on Computational Heat, Mass and Momentum Transfer, Rom, Italy. http://hdl.handle.net/20.500.12708/95134 ( reposiTUm)

Walter, H. (2019). Thermal energy storage technology at IET - a selected overview. Vortrag am Laboratory of renewable energy science and engineering, EPFL, Lausanne, Switzerland. http://hdl.handle.net/20.500.12708/95075 ( reposiTUm)

Krimmel, S., Stamatiou, A., Walter, H., & Worlitschek, J. (2019). Requirements and challanges to the material combinations in direct contact latent heat storage. Thermal Energy Storage Workshop, Horw, Switzerland. http://hdl.handle.net/20.500.12708/95180 ( reposiTUm)

Krimmel, S., Stamatiou, A., Kainz, M., Denner, S., Walter, H., & Worlitschek, J. (2019). High Power Latent Storage Direct Contact Heat Transfer in latent storage units-Investigation of the Heat Transfer Coefficient. 8th Symposium Swiss Competence Center for Energy Research, Dübendorf, Switzerland. http://hdl.handle.net/20.500.12708/95179 ( reposiTUm)

Walter, H., & Haider, M. (2018). SandTES - A novel thermal energy storage technology. 12th International Conference on Energy, and Development, Environment and Biomedicine, Corfu Island, Greece. http://hdl.handle.net/20.500.12708/94893 ( reposiTUm)

Scharinger-Urschitz, G., Hameter, M., Krimmel, S., & Walter, H. (2018). Latent Thermal Energy Storage - Numerical and Experimental Aspects. Workshop “PCM - Modelling and Experimental Analysis” of the Swiss Competence Centre Storage of Heat and Electricity, Luzern, Switzerland. http://hdl.handle.net/20.500.12708/94958 ( reposiTUm)

Walter, H. (2015). Thermische Energiespeicher - Stand und zukünftige Forschungsarbeiten. 2nd Swiss Symposium Thermal Energy Storage, Luzern, Switzerland. http://hdl.handle.net/20.500.12708/94053 ( reposiTUm)

Fraubaum, M., Walter, H., Kienberger, T., & Zuber, C. (2014). Kinetic model of a catalytic tar removal reactor. iSGA4 - 4th International Symposium on Gasification and its Applications, Wien, Austria. http://hdl.handle.net/20.500.12708/93890 ( reposiTUm)

Walter, H. (2011). Carbon capture at the conversion of fuels into electrical energy. 2nd International Conference on Fluid Mechanics and Heat and Mass Transfer 2011 (FLUIDSHEAT ’11), Corfu, Greece, EU. http://hdl.handle.net/20.500.12708/93201 ( reposiTUm)

Krimmel, S., Stamatiou, A., Worlitschek, J., Fischer, L., & Walter, H. (2010). Charakteristik eines Direktkontaktspeichers. Jahrestreffen der ProzessNET: Fachgruppen: Mischvorgänge, Trocknungstechnik und Wärme- und Stoffübertragung, Hamburg, EU. http://hdl.handle.net/20.500.12708/95096 ( reposiTUm)

Walter, H. (2009). Research on Energy Use at the Institute for Thermodynamics and Energy Conversion. Workshop: Effekt of Energy Use on Environment and Ecosystems, Brasov, Rumänien, EU. http://hdl.handle.net/20.500.12708/92743 ( reposiTUm)

Walter, H., & Linzer, W. (2002). Problem der Strömungsstabilität von Naturumlauf-Dampferzeugern. IX Konferencja Kotlowa 2002, Gliwice, Austria. http://hdl.handle.net/20.500.12708/91451 ( reposiTUm)

Walter, H., Thanheiser, S., Haider, M., & Kinger, G. (2020). Hochtemperaturwärmespeicher für Wärmeknoten Dürnrohr. http://hdl.handle.net/20.500.12708/40030 ( reposiTUm)

Walter, H., Sulzgruber, V., Haider, M., & Unterlass, M. M. (2018). Advanced Regenerator: Partikel-Hochtemperaturwärmespeicher ohne rotierende Komponenten mit Gegenstromcharakteristik. http://hdl.handle.net/20.500.12708/39706 ( reposiTUm)

Husmann, M., Hochenauer, C., Fraubaum, M., Walter, H., Bardolf, R., Rauch, R., Zuber, C., & Bosch, K. (2016). InnoGasClean - Innovative Gasreinigungsverfahren bei der Biomassevergasung. http://hdl.handle.net/20.500.12708/38850 ( reposiTUm)

Walter, H., Scharinger-Urschitz, G., Brier, J., Haider, M., Mertz, R., & Bleicher, F. (2015). Fertigungstechnologie für ein Bimetall - Längsrippenrohr für die Anwendung in Latentwärmespeichern. http://hdl.handle.net/20.500.12708/38478 ( reposiTUm)

Walter, H. (2012). Wärmeübergang und Druckabfall in innenberippten Verdampferrohren. http://hdl.handle.net/20.500.12708/37463 ( reposiTUm)

Gröbl, T., Haider, M., & Walter, H. (2011). Auslegung eines Hochtemperatur-Wärmeübertragers (HTX) für den extern befeuerten Heißluft-Gasturbinenprozess (HAT). http://hdl.handle.net/20.500.12708/36942 ( reposiTUm)

Walter, H., Haider, M., Huber, D., Beckmann, G., Fesharaki, M., & Pallisch, J. (2011). Rauchgaskondensation aus Biomassekesseln mit einer multifunktionalen Tau- und Feinstaubabscheidung. http://hdl.handle.net/20.500.12708/36821 ( reposiTUm)

Gröbl, T., Walter, H., & Haider, M. (2011). Auslegung Luftvorwärmer (LuVo). http://hdl.handle.net/20.500.12708/36822 ( reposiTUm)

Haider, M., & Walter, H. (2007). Berechnung des Wärmeüberganges am Wingwall-Endüberhitzer des Ecofluid Biomasse-Dampferzeugers Umea/Schweden. http://hdl.handle.net/20.500.12708/34780 ( reposiTUm)

Walter, H. (2007). Numerische Berechnung der Temperaturverteilung in einer Rohr-Steg-Rohrwandkonfiguration. http://hdl.handle.net/20.500.12708/34777 ( reposiTUm)

Walter, H. (2006). Water/steam side stability analysis (dynamic instability) for pulverized coal fired boiler furnaces with spiral wall lower furnace. http://hdl.handle.net/20.500.12708/34689 ( reposiTUm)

Ponweiser, K., Walter, H., & Werner, A. (2005). Berechnung der Massenstromverteilung in einem Kühlkamin. http://hdl.handle.net/20.500.12708/34588 ( reposiTUm)

Walter, H. (2006). Ein Beitrag zur statischen und dynamischen Stabilität von Naturumlaufdampferzeugern [Professorial Dissertation, Technische Universität Wien]. reposiTUm. http://hdl.handle.net/20.500.12708/186337 ( reposiTUm)