The effect of some metal oxide nanocomposites on the pulsating heat pipe performance

Increasing the performance of heat exchangers is one of industry’s most pressing challenges. Pulsating heat pipes (PHPs), as a novel technology with high-performance, are broadly used in solar distilled water and systems solar water heaters. In the present work, the impact of three nanofluids includ...

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Autores principales:	Seyed Masoud Hashemi, Ali Maleki, Mohammad Hossein Ahmadi
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2021
Materias:	Metal oxide Nanoparticle Heat pipes Thermal conductivity Hybrid nanofluids Electrical engineering. Electronics. Nuclear engineering TK1-9971
Acceso en línea:	https://doaj.org/article/b272b877a60c4eb0bb927dd8a50e3588
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spelling	oai:doaj.org-article:b272b877a60c4eb0bb927dd8a50e35882021-12-02T05:01:55ZThe effect of some metal oxide nanocomposites on the pulsating heat pipe performance2352-484710.1016/j.egyr.2021.10.065https://doaj.org/article/b272b877a60c4eb0bb927dd8a50e35882021-11-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S2352484721010829https://doaj.org/toc/2352-4847Increasing the performance of heat exchangers is one of industry’s most pressing challenges. Pulsating heat pipes (PHPs), as a novel technology with high-performance, are broadly used in solar distilled water and systems solar water heaters. In the present work, the impact of three nanofluids including zirconium dioxide (ZrO2), bismuth ferrite (BiFeO3)/ZrO2 (ZBF), and ZrO2/SiO2composites under concentrations of 0.25, 0.5, and 1.0 g/L was investigated on the PHPs performance. The thermal resistance of the base fluid and the produced nanofluids was compared under a constant filling ratio of 50% and different input powers to the evaporator. The obtained results revealed that the use of working fluid such as nanofluids increased the heat transfer of PHPs in comparison to the base fluid and reduced the thermal resistance. Among the nanofluids used, the concentration of 0.25 g/L of the prepared nanocomposites provided the best performance. The resistance of the PHPs at some fluxes was reduced by up to 40%. In general, from the point of view of materials engineering, the structure of compounds used in nanofluids should have low thermal resistance, high thermal conductivity, and low viscosity. From a chemical point of view, using metals and compounds with high thermal conductivity is essential due to significant electron exchange.Seyed Masoud HashemiAli MalekiMohammad Hossein AhmadiElsevierarticleMetal oxideNanoparticleHeat pipesThermal conductivityHybrid nanofluidsElectrical engineering. Electronics. Nuclear engineeringTK1-9971ENEnergy Reports, Vol 7, Iss , Pp 8825-8833 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Metal oxide Nanoparticle Heat pipes Thermal conductivity Hybrid nanofluids Electrical engineering. Electronics. Nuclear engineering TK1-9971
spellingShingle	Metal oxide Nanoparticle Heat pipes Thermal conductivity Hybrid nanofluids Electrical engineering. Electronics. Nuclear engineering TK1-9971 Seyed Masoud Hashemi Ali Maleki Mohammad Hossein Ahmadi The effect of some metal oxide nanocomposites on the pulsating heat pipe performance
description	Increasing the performance of heat exchangers is one of industry’s most pressing challenges. Pulsating heat pipes (PHPs), as a novel technology with high-performance, are broadly used in solar distilled water and systems solar water heaters. In the present work, the impact of three nanofluids including zirconium dioxide (ZrO2), bismuth ferrite (BiFeO3)/ZrO2 (ZBF), and ZrO2/SiO2composites under concentrations of 0.25, 0.5, and 1.0 g/L was investigated on the PHPs performance. The thermal resistance of the base fluid and the produced nanofluids was compared under a constant filling ratio of 50% and different input powers to the evaporator. The obtained results revealed that the use of working fluid such as nanofluids increased the heat transfer of PHPs in comparison to the base fluid and reduced the thermal resistance. Among the nanofluids used, the concentration of 0.25 g/L of the prepared nanocomposites provided the best performance. The resistance of the PHPs at some fluxes was reduced by up to 40%. In general, from the point of view of materials engineering, the structure of compounds used in nanofluids should have low thermal resistance, high thermal conductivity, and low viscosity. From a chemical point of view, using metals and compounds with high thermal conductivity is essential due to significant electron exchange.
format	article
author	Seyed Masoud Hashemi Ali Maleki Mohammad Hossein Ahmadi
author_facet	Seyed Masoud Hashemi Ali Maleki Mohammad Hossein Ahmadi
author_sort	Seyed Masoud Hashemi
title	The effect of some metal oxide nanocomposites on the pulsating heat pipe performance
title_short	The effect of some metal oxide nanocomposites on the pulsating heat pipe performance
title_full	The effect of some metal oxide nanocomposites on the pulsating heat pipe performance
title_fullStr	The effect of some metal oxide nanocomposites on the pulsating heat pipe performance
title_full_unstemmed	The effect of some metal oxide nanocomposites on the pulsating heat pipe performance
title_sort	effect of some metal oxide nanocomposites on the pulsating heat pipe performance
publisher	Elsevier
publishDate	2021
url	https://doaj.org/article/b272b877a60c4eb0bb927dd8a50e3588
work_keys_str_mv	AT seyedmasoudhashemi theeffectofsomemetaloxidenanocompositesonthepulsatingheatpipeperformance AT alimaleki theeffectofsomemetaloxidenanocompositesonthepulsatingheatpipeperformance AT mohammadhosseinahmadi theeffectofsomemetaloxidenanocompositesonthepulsatingheatpipeperformance AT seyedmasoudhashemi effectofsomemetaloxidenanocompositesonthepulsatingheatpipeperformance AT alimaleki effectofsomemetaloxidenanocompositesonthepulsatingheatpipeperformance AT mohammadhosseinahmadi effectofsomemetaloxidenanocompositesonthepulsatingheatpipeperformance
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The effect of some metal oxide nanocomposites on the pulsating heat pipe performance

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