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Experimental Devices to Investigate the Long-Term Stability of Phase Change Materials under Application Conditions

Title data

Rathgeber, Christoph ; Hiebler, Stefan ; Bayón, Rocío ; Cabeza, Luisa F. ; Zsembinszki, Gabriel ; Englmair, Gerald ; Dannemand, Mark ; Diarce, Gonzalo ; Fellmann, Oliver ; Ravotti, Rebecca ; Groulx, Dominic ; Kheirabadi, Ali C. ; Gschwander, Stefan ; Höhlein, Stephan ; König-Haagen, Andreas ; Beaupere, Noé ; Zalewski, Laurent:
Experimental Devices to Investigate the Long-Term Stability of Phase Change Materials under Application Conditions.
In: Applied Sciences. Vol. 10 (October 2020) Issue 22 . - No. 7968.
ISSN 2076-3417
DOI: https://doi.org/10.3390/app10227968

Abstract in another language

An important prerequisite to select a reliable phase change material (PCM) for thermal energy storage applications is to test it under application conditions. In the case of solid–liquid PCM, a large amount of thermal energy can be stored and released in a small temperature range around the solid–liquid phase transition. Therefore, to test the long-term stability of solid–liquid PCM, they are subjected to melting and solidification processes taking into account the conditions of the intended application. In this work, 18 experimental devices to investigate the long-term stability of PCM are presented. The experiments can be divided into thermal cycling stability tests, tests on PCM with stable supercooling, and tests on the stability of phase change slurries (PCS). In addition to these experiments, appropriate methods to investigate a possible degradation of the PCM are introduced. Considering the diversity of the investigated devices and the wide range of experimental parameters, further work toward a standardization of PCM stability testing is recommended.

Further data

Item Type: Article in a journal
Refereed: Yes
Institutions of the University: Faculties > Faculty of Engineering Science > Chair Engineering Thermodynamics and Transport Processes
Faculties > Faculty of Engineering Science > Chair Engineering Thermodynamics and Transport Processes > Chair Engineering Thermodynamics and Transport Processes - Univ.-Prof. Dr.-Ing. Dieter Brüggemann
Profile Fields > Emerging Fields > Energy Research and Energy Technology
Research Institutions > Research Units > ZET - Zentrum für Energietechnik
Result of work at the UBT: Yes
DDC Subjects: 600 Technology, medicine, applied sciences > 620 Engineering
Date Deposited: 24 Nov 2020 07:45
Last Modified: 24 Nov 2020 07:45
URI: https://eref.uni-bayreuth.de/id/eprint/60310