Results 11 to 20 of about 4,233 (200)

Improving Thermal Performance of Rectangular Microchannel Heat Sinks using Porous Layer: CFD Simulation and Optimization [PDF]

Journal of Applied Fluid Mechanics, 2023
Microchannel heat sinks are very widely used due to their high heat transfer coefficients and low refrigerant requirements. Nevertheless, microchannel heat sinks still perform sub-optimally when it comes to thermal performance.
F. Montazeri, M. R. Tavakoli, M. R. Salimpour   +2 more
doaj   +1 more source

A critical review of the straight and wavy microchannel heat sink and the application in lithium-ion battery thermal management

International Journal of Thermofluids, 2022
As demand for high-performance heat transfer increases, interest in microchannel heat sinks as a viable solution for heat flux removal in thermal devices has grown significantly.
M. Hajialibabaei, M.Z. Saghir
doaj   +1 more source

Numerical Analysis of Microchannels Designed for Heat Sinks [PDF]

Nanomanufacturing and Metrology, 2021
AbstractConjugate heat transfer is numerically investigated using a three-dimensional computational fluid dynamics approach in various microchannel geometries to identify a high-performance cooling method for piezoelectric ceramic stacks and spindle units in high-precision machines.
Matthew McCormack, Fengzhou Fang, Jufan Zhang   +2 more
openaire   +2 more sources

Numerical simulation of flow and heat transfer performance in branch and combined-branch microchannel [PDF]

Journal of Hebei University of Science and Technology, 2023
The pressure drop at the inlet and outlet of rectangular microchannel is large, and the temperature distribution is uneven; Fractal microchannel is limited by fractal dimension and the number of branches, so its application scope is narrow.
Jingzhi JIANG, Huafeng LIU, Jingzhou AN
doaj   +1 more source

CFD analysis of hybrid nanofluid-based microchannel heat sink for electronic chips cooling: Applications in nano-energy thermal devices

Case Studies in Thermal Engineering, 2023
The utilize of microchannel in miniature thermal devices and microchannel heat sinks has advanced the scientific method of heat transfer to a new level, and the fields of electronic device cooling, aerospace industries, bioengineering, and materials ...
Yu-Ming Chu, Umar Farooq, Nidhish Kumar Mishra, Zubair Ahmad, Fakhar Zulfiqar, Sumeira Yasmin, Shan Ali Khan   +6 more
doaj   +1 more source

Design and Analysis of Microchannels for Heat Dissipation of High-Energy VCSELs Based on Laser 3D Printing

Applied Sciences, 2022
For the problem of high waste heat in the active area of high-power VCSEL arrays and the difficulty of heat dissipation, we took advantage of laser 3D printing technology and combined it with the relevant principles of fluid-structure coupling, three ...
Anru Yan, Xu Liu, Xiaobo Wang, Zhiyong Wang   +3 more
doaj   +1 more source

Numerical investigation of heat transfer and parameter coupling characteristics for Spider web microchannel topological structure

International Journal of Thermofluids, 2023
Highly efficient cooling methods are becoming more urgent with the continuing trend for higher power and further miniaturization of components of aerospace filed. And microchannel heat sinks have been getting more attention in recent researches. Moreover,
Yi Rong, Lizhi Wang, Tao Wu, Chao Yin, Xiankai Li, Xikui Yu   +5 more
doaj   +1 more source

Flow characteristics and heat transfer performance in a Y-Fractal mini/microchannel heat sink [PDF]

, 2019
This article presents a combined experimental and computational study to investigate the flow and heat transfer in a Y-fractal microchannel. Experimental apparatus was newly built to investigate the effect of three different control factors, i.e., fluid ...
Deng, Zhanfeng, Fang, Xiangjun, Han, Ying, Hou, Jibiao, Liang, Lixiao, Song, Jie, Wang, Le, Wu, Hongwei, Xu, Guizhi   +8 more
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Characteristics of heat transfer and fluid flow in microchannel heat sinks with rectangular grooves and different shaped ribs

Alexandria Engineering Journal, 2020
Microchannels are effective heat sinks for microelectronic systems. However, it remains unclear what form of channels will be most effective in improving the overall performance of microchannel heat sinks. The effect of channel geometry was studied using
Qifeng Zhu, Kunpeng Chang, Junjie Chen, Xinmin Zhang, Huixue Xia, Hongwei Zhang, Hua Wang, Haixia Li, Yangyang Jin   +8 more
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Fluid Flow and Entropy Generation Analysis of Al₂O₃–Water Nanofluid in Microchannel Plate Fin Heat Sinks

Entropy, 2019
The flow in channels of microdevices is usually in the developing regime. Three-dimensional laminar flow characteristics of a nanofluid in microchannel plate fin heat sinks are investigated numerically in this paper. Deionized water and Al2O3−water
Hao Ma, Zhipeng Duan, Liangbin Su, Xiaoru Ning, Jiao Bai, Xianghui Lv   +5 more
doaj   +1 more source