首页|An investigation on topologies of hybrid manifold,impinging-jet nozzle and micro-pin-fin heat sinks

An investigation on topologies of hybrid manifold,impinging-jet nozzle and micro-pin-fin heat sinks

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The hybrid manifold micro-pin-fin(MMPF)heat sink combined nozzle jets is an option for large-scale integrated circuits(LSI).The demond for uniform and ultra-high heat flux removal by MMPF heat sink has not been adequately investigated.This work aims to solve the problem of fluid organization.The proposed basic tiling topologies,including square,regular hexagon,30° rhombus,and 60° rhombus topologies,provide different organized fluid flows and heat transfer patterns.The present study focuses on comparing these topologies according to independent porous medium parameters,such as nozzle pore size Dz,flow pore size DX,Y,and porosity ε.The results show that the square topology achieves the smallest total thermal resistance Rtot value of 0.0975 × 10-4 K m2/W,while the hexagon topology achieved the highest value of COP/ΔT,which was 2033.9 K-1.According to the sensitivity analysis results,the optimal total thermal resistance can be obtained by balancing the influences of nozzle pore size,flow pore size,and porosity.The optimal pressure drop can be obtained by maximizing the porosity.

heat sinkultra-high heat fluxmanifoldmicro-pin-finimpinging-jettopology

SHI QianLei、YAO XiaoLe、LIU Qian、QIN Le、JU Xing、XU Chao

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Key Laboratory of Power Station Energy Transfer Conversion and System of MOE,North China Electric Power University,Beijing 102206,China

国家自然科学基金Interdisciplinary Innovation Program of North China Electric Power University

51876062

2024

中国科学:技术科学(英文版)
中国科学院

中国科学:技术科学(英文版)

CSTPCDEI
影响因子:1.056
ISSN:1674-7321
年,卷(期):2024.67(4)
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