Effects of Experimental Parameters on Condensation Heat Transfer in Plate Fin Heat Exchanger

This study aims to provide an experimental investigation and comparison of the condensation heat transfer characteristics in a plate–fin heat exchanger (PFHE). The heat flux, mass flux, and saturation pressure were adjusted as experimental parameters to verify the effects on the condensation heat tr...

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Autores principales:	Sung-Hoon Seol, Sun-Geun Lee, Chang-Hyo Son, Ji-Hoon Yoon, In-Seob Eom, Young-Min Park, Jung-In Yoon
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	condensation heat transfer heat transfer correlation Wilson plot method plate–fin heat exchanger (PFHE) multi-stream PFHE Technology T
Acceso en línea:	https://doaj.org/article/851a7b06ae774b04bb9c019189b351cd
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spelling	oai:doaj.org-article:851a7b06ae774b04bb9c019189b351cd2021-11-25T17:27:51ZEffects of Experimental Parameters on Condensation Heat Transfer in Plate Fin Heat Exchanger10.3390/en142276811996-1073https://doaj.org/article/851a7b06ae774b04bb9c019189b351cd2021-11-01T00:00:00Zhttps://www.mdpi.com/1996-1073/14/22/7681https://doaj.org/toc/1996-1073This study aims to provide an experimental investigation and comparison of the condensation heat transfer characteristics in a plate–fin heat exchanger (PFHE). The heat flux, mass flux, and saturation pressure were adjusted as experimental parameters to verify the effects on the condensation heat transfer. In addition, condensation heat transfer correlation of two-stream PFHEs was provided based on the experimental data for utilization as a design reference for the heat exchanger. The turbulence is the most influential in heat transfer. One of the ways to foster turbulence is to increase shear stress. The higher flow velocity results in the higher shear stress. That was why increasing mass flux or the flow with higher vapor quality showed the higher heat transfer coefficient (HTC). Refrigerant properties such as viscosity and specific volume of vapor changed according to the saturation pressure. It is expected they affect the degree of turbulence too in similar manners. The mass flux was more influential than the heat flux and saturation pressure. Thus, the equivalent mass flux of the refrigerant is dominant in the derived correlation model. The average difference between experimental and calculated HTC from correlations was about 6.5%. Multi-stream PFHE comprises an additional heat transfer surface, which implies a more active droplet formation. The average pressure drop in the multi-stream is 15% larger than that of the two-stream.Sung-Hoon SeolSun-Geun LeeChang-Hyo SonJi-Hoon YoonIn-Seob EomYoung-Min ParkJung-In YoonMDPI AGarticlecondensation heat transferheat transfer correlationWilson plot methodplate–fin heat exchanger (PFHE)multi-stream PFHETechnologyTENEnergies, Vol 14, Iss 7681, p 7681 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	condensation heat transfer heat transfer correlation Wilson plot method plate–fin heat exchanger (PFHE) multi-stream PFHE Technology T
spellingShingle	condensation heat transfer heat transfer correlation Wilson plot method plate–fin heat exchanger (PFHE) multi-stream PFHE Technology T Sung-Hoon Seol Sun-Geun Lee Chang-Hyo Son Ji-Hoon Yoon In-Seob Eom Young-Min Park Jung-In Yoon Effects of Experimental Parameters on Condensation Heat Transfer in Plate Fin Heat Exchanger
description	This study aims to provide an experimental investigation and comparison of the condensation heat transfer characteristics in a plate–fin heat exchanger (PFHE). The heat flux, mass flux, and saturation pressure were adjusted as experimental parameters to verify the effects on the condensation heat transfer. In addition, condensation heat transfer correlation of two-stream PFHEs was provided based on the experimental data for utilization as a design reference for the heat exchanger. The turbulence is the most influential in heat transfer. One of the ways to foster turbulence is to increase shear stress. The higher flow velocity results in the higher shear stress. That was why increasing mass flux or the flow with higher vapor quality showed the higher heat transfer coefficient (HTC). Refrigerant properties such as viscosity and specific volume of vapor changed according to the saturation pressure. It is expected they affect the degree of turbulence too in similar manners. The mass flux was more influential than the heat flux and saturation pressure. Thus, the equivalent mass flux of the refrigerant is dominant in the derived correlation model. The average difference between experimental and calculated HTC from correlations was about 6.5%. Multi-stream PFHE comprises an additional heat transfer surface, which implies a more active droplet formation. The average pressure drop in the multi-stream is 15% larger than that of the two-stream.
format	article
author	Sung-Hoon Seol Sun-Geun Lee Chang-Hyo Son Ji-Hoon Yoon In-Seob Eom Young-Min Park Jung-In Yoon
author_facet	Sung-Hoon Seol Sun-Geun Lee Chang-Hyo Son Ji-Hoon Yoon In-Seob Eom Young-Min Park Jung-In Yoon
author_sort	Sung-Hoon Seol
title	Effects of Experimental Parameters on Condensation Heat Transfer in Plate Fin Heat Exchanger
title_short	Effects of Experimental Parameters on Condensation Heat Transfer in Plate Fin Heat Exchanger
title_full	Effects of Experimental Parameters on Condensation Heat Transfer in Plate Fin Heat Exchanger
title_fullStr	Effects of Experimental Parameters on Condensation Heat Transfer in Plate Fin Heat Exchanger
title_full_unstemmed	Effects of Experimental Parameters on Condensation Heat Transfer in Plate Fin Heat Exchanger
title_sort	effects of experimental parameters on condensation heat transfer in plate fin heat exchanger
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/851a7b06ae774b04bb9c019189b351cd
work_keys_str_mv	AT sunghoonseol effectsofexperimentalparametersoncondensationheattransferinplatefinheatexchanger AT sungeunlee effectsofexperimentalparametersoncondensationheattransferinplatefinheatexchanger AT changhyoson effectsofexperimentalparametersoncondensationheattransferinplatefinheatexchanger AT jihoonyoon effectsofexperimentalparametersoncondensationheattransferinplatefinheatexchanger AT inseobeom effectsofexperimentalparametersoncondensationheattransferinplatefinheatexchanger AT youngminpark effectsofexperimentalparametersoncondensationheattransferinplatefinheatexchanger AT junginyoon effectsofexperimentalparametersoncondensationheattransferinplatefinheatexchanger
_version_	1718412359474610176

Effects of Experimental Parameters on Condensation Heat Transfer in Plate Fin Heat Exchanger

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