Performance of a flat grooved heat pipe with a localized heat load

Heat pipes are phase change heat transfer devices used in wide range of heat transport applications due to their high thermal transport capacities with low temperature differences. Heat pipes are especially preferred for electronic cooling applications and aerospace avionics to satisfy high heat tra...

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Autores principales:	Sezmen Ramazan Aykut, Çetin Barbaros, Dursunkaya Zafer
Formato:	article
Lenguaje:	EN FR
Publicado:	EDP Sciences 2021
Materias:	Environmental sciences GE1-350
Acceso en línea:	https://doaj.org/article/0ef5bb64d01849889cf0d593ce930068
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spelling	oai:doaj.org-article:0ef5bb64d01849889cf0d593ce9300682021-11-12T11:44:34ZPerformance of a flat grooved heat pipe with a localized heat load2267-124210.1051/e3sconf/202132104010https://doaj.org/article/0ef5bb64d01849889cf0d593ce9300682021-01-01T00:00:00Zhttps://www.e3s-conferences.org/articles/e3sconf/pdf/2021/97/e3sconf_icchmt2021_04010.pdfhttps://doaj.org/toc/2267-1242Heat pipes are phase change heat transfer devices used in wide range of heat transport applications due to their high thermal transport capacities with low temperature differences. Heat pipes are especially preferred for electronic cooling applications and aerospace avionics to satisfy high heat transfer rate requirements. In this study, heat transfer and phase change mechanisms of working fluid are investigated and modeled using a 3-D thermal resistance network for multichannel flat grooved heat pipes. First, heat transfer and fluid flow are modeled in half of a single grooved structure due to symmetry, and is subjected to uniform heat flux. Radius of meniscus curvature and temperature distribution along the groove are calculated. Results are compared with experiments in the literature and show good agreement. The validated heat transfer and fluid flow models are extended to a multichannel model to observe performance of grooved heat pipes with localized heat sources, not covering the entire width, a vital feature for realistic simulation of operational devices. Predictions of the temperature distribution along the multichannel of the heat pipe are provided and the effect of the distribution of heat sources on the heat pipe is discussed.Sezmen Ramazan AykutÇetin BarbarosDursunkaya ZaferEDP SciencesarticleEnvironmental sciencesGE1-350ENFRE3S Web of Conferences, Vol 321, p 04010 (2021)
institution	DOAJ
collection	DOAJ
language	EN FR
topic	Environmental sciences GE1-350
spellingShingle	Environmental sciences GE1-350 Sezmen Ramazan Aykut Çetin Barbaros Dursunkaya Zafer Performance of a flat grooved heat pipe with a localized heat load
description	Heat pipes are phase change heat transfer devices used in wide range of heat transport applications due to their high thermal transport capacities with low temperature differences. Heat pipes are especially preferred for electronic cooling applications and aerospace avionics to satisfy high heat transfer rate requirements. In this study, heat transfer and phase change mechanisms of working fluid are investigated and modeled using a 3-D thermal resistance network for multichannel flat grooved heat pipes. First, heat transfer and fluid flow are modeled in half of a single grooved structure due to symmetry, and is subjected to uniform heat flux. Radius of meniscus curvature and temperature distribution along the groove are calculated. Results are compared with experiments in the literature and show good agreement. The validated heat transfer and fluid flow models are extended to a multichannel model to observe performance of grooved heat pipes with localized heat sources, not covering the entire width, a vital feature for realistic simulation of operational devices. Predictions of the temperature distribution along the multichannel of the heat pipe are provided and the effect of the distribution of heat sources on the heat pipe is discussed.
format	article
author	Sezmen Ramazan Aykut Çetin Barbaros Dursunkaya Zafer
author_facet	Sezmen Ramazan Aykut Çetin Barbaros Dursunkaya Zafer
author_sort	Sezmen Ramazan Aykut
title	Performance of a flat grooved heat pipe with a localized heat load
title_short	Performance of a flat grooved heat pipe with a localized heat load
title_full	Performance of a flat grooved heat pipe with a localized heat load
title_fullStr	Performance of a flat grooved heat pipe with a localized heat load
title_full_unstemmed	Performance of a flat grooved heat pipe with a localized heat load
title_sort	performance of a flat grooved heat pipe with a localized heat load
publisher	EDP Sciences
publishDate	2021
url	https://doaj.org/article/0ef5bb64d01849889cf0d593ce930068
work_keys_str_mv	AT sezmenramazanaykut performanceofaflatgroovedheatpipewithalocalizedheatload AT cetinbarbaros performanceofaflatgroovedheatpipewithalocalizedheatload AT dursunkayazafer performanceofaflatgroovedheatpipewithalocalizedheatload
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Performance of a flat grooved heat pipe with a localized heat load

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