Impact of the micro heat sink internal structure on the heat and mass transfer

IF 0.6 4区 工程技术 Q4 ENGINEERING, AEROSPACE
N. B. Bikkinina, A. Z. Bulatova, O. A. Solnyshkina
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引用次数: 0

Abstract

Due to the rapid development of the microelectronic industry, new efficient cooling systems are required. The most promising is the liquid cooling technology with the introduction of cooling devices directly into the microelectronic chips. In this paper, we study the liquid flow and its integral characteristics in microchannels with pin fin arrays. Various internal geometries of microchannels are considered, including both uniformly distributed cylindrical pins and systems with two packing scales. The effect of changing the pin spatial distribution in microchannels with the same void coefficient on the flow rate variation, velocity field and temperature distribution is shown. The results obtained can be used in the design of microfluidic heat sinks.

微散热器内部结构对传热传质的影响
由于微电子工业的快速发展,对新型高效的冷却系统提出了更高的要求。最有前途的是液体冷却技术,将冷却装置直接引入到微电子芯片中。本文研究了带引脚鳍阵列的微通道中液体的流动及其整体特性。考虑了微通道的各种内部几何形状,包括均匀分布的圆柱形引脚和具有两种填料尺度的系统。研究了在相同空隙系数的微通道中,改变引脚的空间分布对流量变化、速度场和温度分布的影响。所得结果可用于微流控散热器的设计。
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来源期刊
Thermophysics and Aeromechanics
Thermophysics and Aeromechanics THERMODYNAMICS-MECHANICS
CiteScore
0.90
自引率
40.00%
发文量
29
审稿时长
>12 weeks
期刊介绍: The journal Thermophysics and Aeromechanics publishes original reports, reviews, and discussions on the following topics: hydrogasdynamics, heat and mass transfer, turbulence, means and methods of aero- and thermophysical experiment, physics of low-temperature plasma, and physical and technical problems of energetics. These topics are the prior fields of investigation at the Institute of Thermophysics and the Institute of Theoretical and Applied Mechanics of the Siberian Branch of the Russian Academy of Sciences (SB RAS), which are the founders of the journal along with SB RAS. This publication promotes an exchange of information between the researchers of Russia and the international scientific community.
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