The Influence of the Phase Change Temperature Range and the Phase Change Hysteresis of a PCM on the Performance of an Air-PCM Heat Storage Unit

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26210%2F19%3APU135381" target="_blank" >RIV/00216305:26210/19:PU135381 - isvavai.cz</a>
Result on the web
<a href="https://asmedigitalcollection.asme.org/IMECE/proceedings-abstract/IMECE2019/59438/V006T06A084/1073176" target="_blank" >https://asmedigitalcollection.asme.org/IMECE/proceedings-abstract/IMECE2019/59438/V006T06A084/1073176</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1115/IMECE2019-10438" target="_blank" >10.1115/IMECE2019-10438</a>

Result language
angličtina
Original language name
The Influence of the Phase Change Temperature Range and the Phase Change Hysteresis of a PCM on the Performance of an Air-PCM Heat Storage Unit
Original language description
The influence of the phase change temperature range and the hysteresis of the enthalpy-temperature relationship h(T) of PCMs on the performance of thermal energy storage (TES) systems is rarely quantified. In the present study, the quantification is done by the comparison of the amounts of heat stored in (and discharged from) the air-PCM heat exchanger (TES unit) operating between constant air temperatures. All simulations were conducted for the same mean phase change temperature of the PCM (30 °C). The inlet air temperature of the air-PCM HEX was 40 °C during the heat charging period and 20 °C during the heat discharge period. The maximum considered phase change temperature range of the PCM was 10 °C. The maximum phase transition hysteresis, in the study defined as the temperature difference between the melting and solidification peaks, was 4 °C. The results indicate that in case of the PCMs with a wide phase change temperature range and a significant hysteresis of the h(T) curves, the influence of these properties cannot be neglected in the simulation studies in order to achieve accurate results.
Czech name
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Czech description
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Project
Result was created during the realization of more than one project. More information in the Projects tab.
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2019
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Article name in the collection
ASME 2019 International Mechanical Engineering Congress and Exposition
ISBN
978-0-7918-5943-8
ISSN
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e-ISSN
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Number of pages
6
Pages from-to
1-6
Publisher name
ASME
Place of publication
Salt Lake City, Utah, USA
Event location
Salt Lake City
Event date
Nov 11, 2019
Type of event by nationality
WRD - Celosvětová akce
UT code for WoS article
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