The flow and heat performance of tree-like network heat sink with diverging–converging channel

A tree-like network heat sink with diverging–converging channel is designed, and effect of flow rate, channel diverging-converging angles on the flow and heat dissipation performance of the tree-like network heat sink is analysed and compared by numerical simulation. Results show that the diverging–...

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Main Authors: Zhu Xiugen, Qian Peng, Huang Zizhen, Luo Chengyuan, Liu Minghou
Format: Article
Language:English
Published: EDP Sciences 2021-01-01
Series:E3S Web of Conferences
Online Access:https://www.e3s-conferences.org/articles/e3sconf/pdf/2021/12/e3sconf_icersd2020_01027.pdf
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spelling doaj-efa93081d95049e8b22943d9f794473b2021-02-18T10:43:15ZengEDP SciencesE3S Web of Conferences2267-12422021-01-012360102710.1051/e3sconf/202123601027e3sconf_icersd2020_01027The flow and heat performance of tree-like network heat sink with diverging–converging channelZhu Xiugen0Qian Peng1Huang Zizhen2Luo Chengyuan3Liu Minghou4Department of Thermal Science and Energy Engineering, University of Science and Technology of ChinaDepartment of Thermal Science and Energy Engineering, University of Science and Technology of ChinaDepartment of Thermal Science and Energy Engineering, University of Science and Technology of ChinaDepartment of Thermal Science and Energy Engineering, University of Science and Technology of ChinaDepartment of Thermal Science and Energy Engineering, University of Science and Technology of ChinaA tree-like network heat sink with diverging–converging channel is designed, and effect of flow rate, channel diverging-converging angles on the flow and heat dissipation performance of the tree-like network heat sink is analysed and compared by numerical simulation. Results show that the diverging– converging angle of 2° can reduce the pressure drop by 14% when inlet mass flow rate is 0.00499kg/s. And the maximum temperature, the temperature difference between the maximum and minimum of the heat sink increases by 0.63K and 0.92K respectively. As the diverging-converging angle increases to 4°, however, it only reduces the pressure drop by 13% and can not bring more pressure drop due to formation of flow recirculation inside the tree-like network heat sink channel. Therefore, the diverging–converging fractal micro-channel heat sink with 2° has good heat dissipation performance with obvious lower pumping power.https://www.e3s-conferences.org/articles/e3sconf/pdf/2021/12/e3sconf_icersd2020_01027.pdf
collection DOAJ
language English
format Article
sources DOAJ
author Zhu Xiugen
Qian Peng
Huang Zizhen
Luo Chengyuan
Liu Minghou
spellingShingle Zhu Xiugen
Qian Peng
Huang Zizhen
Luo Chengyuan
Liu Minghou
The flow and heat performance of tree-like network heat sink with diverging–converging channel
E3S Web of Conferences
author_facet Zhu Xiugen
Qian Peng
Huang Zizhen
Luo Chengyuan
Liu Minghou
author_sort Zhu Xiugen
title The flow and heat performance of tree-like network heat sink with diverging–converging channel
title_short The flow and heat performance of tree-like network heat sink with diverging–converging channel
title_full The flow and heat performance of tree-like network heat sink with diverging–converging channel
title_fullStr The flow and heat performance of tree-like network heat sink with diverging–converging channel
title_full_unstemmed The flow and heat performance of tree-like network heat sink with diverging–converging channel
title_sort flow and heat performance of tree-like network heat sink with diverging–converging channel
publisher EDP Sciences
series E3S Web of Conferences
issn 2267-1242
publishDate 2021-01-01
description A tree-like network heat sink with diverging–converging channel is designed, and effect of flow rate, channel diverging-converging angles on the flow and heat dissipation performance of the tree-like network heat sink is analysed and compared by numerical simulation. Results show that the diverging– converging angle of 2° can reduce the pressure drop by 14% when inlet mass flow rate is 0.00499kg/s. And the maximum temperature, the temperature difference between the maximum and minimum of the heat sink increases by 0.63K and 0.92K respectively. As the diverging-converging angle increases to 4°, however, it only reduces the pressure drop by 13% and can not bring more pressure drop due to formation of flow recirculation inside the tree-like network heat sink channel. Therefore, the diverging–converging fractal micro-channel heat sink with 2° has good heat dissipation performance with obvious lower pumping power.
url https://www.e3s-conferences.org/articles/e3sconf/pdf/2021/12/e3sconf_icersd2020_01027.pdf
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