Thermohydraulic performance improvement and entropy generation characteristics of a microchannel heat sink cooled with new hybrid nanofluids containing ternary/binary hybrid nanocomposites

Abstract Recently, the combination of hybrid nanofluids with microchannel heat sinks (MCHSs) has led to superior heat removal from high heat flux electronics chips. The present work aimed to evaluate numerically the first and second law performances of MCHSs using the new cost‐effective binary/terna...

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Autores principales:	M. Mohamed Souby, Mohamed H. S. Bargal, Yiping Wang
Formato:	article
Lenguaje:	EN
Publicado:	Wiley 2021
Materias:	electronics cooling entropy generation microchannel heat sink ternary hybrid nanofluids thermal management thermohydraulic performance Technology T Science Q
Acceso en línea:	https://doaj.org/article/30129eca747e4af5a457f4625843f364
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spelling	oai:doaj.org-article:30129eca747e4af5a457f4625843f3642021-12-02T05:24:30ZThermohydraulic performance improvement and entropy generation characteristics of a microchannel heat sink cooled with new hybrid nanofluids containing ternary/binary hybrid nanocomposites2050-050510.1002/ese3.982https://doaj.org/article/30129eca747e4af5a457f4625843f3642021-12-01T00:00:00Zhttps://doi.org/10.1002/ese3.982https://doaj.org/toc/2050-0505Abstract Recently, the combination of hybrid nanofluids with microchannel heat sinks (MCHSs) has led to superior heat removal from high heat flux electronics chips. The present work aimed to evaluate numerically the first and second law performances of MCHSs using the new cost‐effective binary/ternary hybrid nanofluids. Water‐based binary and ternary hybrid nanofluids include the MgO/TiO2 nanocomposite and the CuO/MgO/TiO2 nanocomposite, respectively. The effects of the hybrid nanofluid volume concentration (vol.%) and Reynolds number (Re) on the heat transfer, pressure drop, combined thermohydraulic characteristics, and entropy generation characteristics of the MCHSs are discussed. The results show that higher values of the convective heat transfer coefficient, pressure drop, and frictional entropy generation rate are obtained when using hybrid nanofluids with high Re and vol.% values. Furthermore, by increasing the Re and vol.% values of the hybrid nanofluids, the bottom wall temperature, total thermal resistance, and thermal entropy generation rate decreased, and an increased temperature uniformity was obtained on the bottom surface of the MCHSs. In conclusion, the applied hybrid nanofluids are considered to be more promising heat transfer fluids when compared with conventional fluids such as water. Particularly, the CuO/MgO/TiO2‐water ternary hybrid nanofluid exhibited a better heat transfer efficiency than did the MgO/TiO2‐water binary hybrid nanofluid.M. Mohamed SoubyMohamed H. S. BargalYiping WangWileyarticleelectronics coolingentropy generationmicrochannel heat sinkternary hybrid nanofluidsthermal managementthermohydraulic performanceTechnologyTScienceQENEnergy Science & Engineering, Vol 9, Iss 12, Pp 2493-2513 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	electronics cooling entropy generation microchannel heat sink ternary hybrid nanofluids thermal management thermohydraulic performance Technology T Science Q
spellingShingle	electronics cooling entropy generation microchannel heat sink ternary hybrid nanofluids thermal management thermohydraulic performance Technology T Science Q M. Mohamed Souby Mohamed H. S. Bargal Yiping Wang Thermohydraulic performance improvement and entropy generation characteristics of a microchannel heat sink cooled with new hybrid nanofluids containing ternary/binary hybrid nanocomposites
description	Abstract Recently, the combination of hybrid nanofluids with microchannel heat sinks (MCHSs) has led to superior heat removal from high heat flux electronics chips. The present work aimed to evaluate numerically the first and second law performances of MCHSs using the new cost‐effective binary/ternary hybrid nanofluids. Water‐based binary and ternary hybrid nanofluids include the MgO/TiO2 nanocomposite and the CuO/MgO/TiO2 nanocomposite, respectively. The effects of the hybrid nanofluid volume concentration (vol.%) and Reynolds number (Re) on the heat transfer, pressure drop, combined thermohydraulic characteristics, and entropy generation characteristics of the MCHSs are discussed. The results show that higher values of the convective heat transfer coefficient, pressure drop, and frictional entropy generation rate are obtained when using hybrid nanofluids with high Re and vol.% values. Furthermore, by increasing the Re and vol.% values of the hybrid nanofluids, the bottom wall temperature, total thermal resistance, and thermal entropy generation rate decreased, and an increased temperature uniformity was obtained on the bottom surface of the MCHSs. In conclusion, the applied hybrid nanofluids are considered to be more promising heat transfer fluids when compared with conventional fluids such as water. Particularly, the CuO/MgO/TiO2‐water ternary hybrid nanofluid exhibited a better heat transfer efficiency than did the MgO/TiO2‐water binary hybrid nanofluid.
format	article
author	M. Mohamed Souby Mohamed H. S. Bargal Yiping Wang
author_facet	M. Mohamed Souby Mohamed H. S. Bargal Yiping Wang
author_sort	M. Mohamed Souby
title	Thermohydraulic performance improvement and entropy generation characteristics of a microchannel heat sink cooled with new hybrid nanofluids containing ternary/binary hybrid nanocomposites
title_short	Thermohydraulic performance improvement and entropy generation characteristics of a microchannel heat sink cooled with new hybrid nanofluids containing ternary/binary hybrid nanocomposites
title_full	Thermohydraulic performance improvement and entropy generation characteristics of a microchannel heat sink cooled with new hybrid nanofluids containing ternary/binary hybrid nanocomposites
title_fullStr	Thermohydraulic performance improvement and entropy generation characteristics of a microchannel heat sink cooled with new hybrid nanofluids containing ternary/binary hybrid nanocomposites
title_full_unstemmed	Thermohydraulic performance improvement and entropy generation characteristics of a microchannel heat sink cooled with new hybrid nanofluids containing ternary/binary hybrid nanocomposites
title_sort	thermohydraulic performance improvement and entropy generation characteristics of a microchannel heat sink cooled with new hybrid nanofluids containing ternary/binary hybrid nanocomposites
publisher	Wiley
publishDate	2021
url	https://doaj.org/article/30129eca747e4af5a457f4625843f364
work_keys_str_mv	AT mmohamedsouby thermohydraulicperformanceimprovementandentropygenerationcharacteristicsofamicrochannelheatsinkcooledwithnewhybridnanofluidscontainingternarybinaryhybridnanocomposites AT mohamedhsbargal thermohydraulicperformanceimprovementandentropygenerationcharacteristicsofamicrochannelheatsinkcooledwithnewhybridnanofluidscontainingternarybinaryhybridnanocomposites AT yipingwang thermohydraulicperformanceimprovementandentropygenerationcharacteristicsofamicrochannelheatsinkcooledwithnewhybridnanofluidscontainingternarybinaryhybridnanocomposites
_version_	1718400401012686848

Thermohydraulic performance improvement and entropy generation characteristics of a microchannel heat sink cooled with new hybrid nanofluids containing ternary/binary hybrid nanocomposites

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