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  4. Experimental parameter studies on a two-phase loop thermosyphon cooling system with R1233zd(E) and R1224yd(Z)
 
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Experimental parameter studies on a two-phase loop thermosyphon cooling system with R1233zd(E) and R1224yd(Z)

Citation Link: https://doi.org/10.15480/882.3940
Other Titles
Études des paramètres expérimentaux d'un système de refroidissement à thermosiphon en boucle diphasique fonctionnant au R1233zd(E) et au R1224yd(Z)
Publikationstyp
Journal Article
Date Issued
2021-08-04
Sprache
English
Author(s)
Albertsen, Björn 
Schmitz, Gerhard  
Institut
Technische Thermodynamik M-21  
TORE-DOI
10.15480/882.3940
TORE-URI
http://hdl.handle.net/11420/11087
Journal
International journal of refrigeration  
Volume
131
Start Page
146
End Page
156
Citation
International Journal of Refrigeration 131: 146-156 (2021-11-01)
Publisher DOI
10.1016/j.ijrefrig.2021.07.036
Scopus ID
2-s2.0-85118940341
Publisher
Elsevier Science
Two-phase loop thermosyphon (TPLT) is a promising technology looking at highly effective electronics cooling. Due to strong coupling between the internal and external parameters, in this study experimental tests in steady-state are carried out using R1233zd(E) and R1224yd(Z) as a working fluid to investigate the respective influences and resulting design requirements. The relationship between the governing thermal and flow equations is presented to facilitate the interpretation of the test results. The study shows a stable flow and cooling performance over a wide range of heat loads and recooling temperatures. The refrigerant charge is identified as one of the main influencing factors, with an optimum being between excessive subcooling and beginning dry-out. Both tested refrigerants lead to basically similar results, showing minor differences regarding thermal performance and system stability.
Subjects
Electronics cooling
Passive cooling
R1224yd(Z)
R1233zd(E)
Two-phase flow
Two-phase loop thermosyphon
DDC Class
600: Technik
Publication version
publishedVersion
Lizenz
https://creativecommons.org/licenses/by/4.0/
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