EXPERIMENTAL STUDY AND COMPUTER SIMULATION OF HEAT TANSFER FOR HIGH FLUX COOLING APPLICATIONS WITH MICROCHANNELS IN MICRO-ELECTRO-MECHANICAL SYSTEM (MEMS)

机译：微机电系统中微通道高通量冷却应用换热的实验研究与计算机模拟

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This paper aims to apply experiment and computer simulation to investigate heat transfer characteristics of different fluids through microchannels with different geometries. An experimental apparatus with multi-functions, low uncertainties, high precision and temperature control was constructed. The experimental results are compared with the results of computer simulations and theoretical predictions from the conventional laminar flow theory. The flow rate, temperature and pressure drop were measured at steady states to analyse flow characteristics. It was concluded that the effect of allowance for machining of microchannels on heat transfer characteristics could be neglected under lower flow rate. The fluid mass flow rate, the inlet temperature of fluid, and the geometric parameters, particularly the hydraulic diameter and aspect ratio H/W_m in rectangular microchannels were found to have a significant influence on fluid flow and heat transfer characteristics.

机译：本文旨在通过实验和计算机模拟来研究不同流体通过具有不同几何形状的微通道的传热特性。构建了多功能，不确定性低，精度高，温度可控的实验装置。将实验结果与计算机模拟结果和常规层流理论的理论预测进行了比较。在稳态下测量流量，温度和压降，以分析流量特性。结论是，在较低流量下可以忽略微通道加工余量对传热特性的影响。发现流体质量流量，流体入口温度以及几何参数，尤其是矩形微通道中的水力直径和纵横比H / W_m对流体流动和传热特性有重大影响。

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《Proceedings of the 2002 ASME Joint U.S.-European Fluids Engineering Conference》|2002年|p.1095-1100|共6页
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Shuzhi Peng; Tilak T Chandratilleke;
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EXPERIMENTAL STUDY AND COMPUTER SIMULATION OF HEAT TANSFER FOR HIGH FLUX COOLING APPLICATIONS WITH MICROCHANNELS IN MICRO-ELECTRO-MECHANICAL SYSTEM (MEMS)

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