Title: FP-TES: Fluidization Based Particle Thermal Energy Storage, Part II: Experimental Investigations
Authors: Sulzgruber, Verena 
Wünsch, David 
Walter, Heimo 
Haider, Markus 
Category: Original Research Article
Issue Date: 19-Aug-2020
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
Journal: Energies 
ISSN: 1996-1073
In recent years, the fight against global warming and therefore CO2 reduction have become the most important issue for humanity. As a result, volatile sources of energy-like wind and solar power-are penetrating the electrical grid and therefore an increased demand on storage capacities is required. At the TU Wien Institute for Energy Systems and Thermodynamics, a Fluidization Based Particle Thermal Energy Storage (FP-TES) working with bulk material as a sensible storage material is developed. In this paper, the concept and an experimental study of the cold test rig is presented. By means of various pressure measurements, a novel concept of particle transport based on advanced fluidization technology without any mechanical transport devices is investigated. Moreover, a mathematical correlation between the pressure gradients and the particle mass flow is found. Overall, the experimental study provides a full proof of concept and functionality of the novel energy storage system.
Keywords: experimental investigations; fluidized bed heat exchanger; Fluidized bed technology; particle transport; thermal energy storage (TES)
DOI: 10.3390/en13174302
Organisation: E302-01 - Forschungsbereich Thermodynamik und Wärmetechnik 
License: CC BY 4.0 CC BY 4.0
Publication Type: Article
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