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首页> 外文会议>The 2001 ASME International Mechanical Engineering Congress and Exposition, 2001, Nov 11-16, 2001, New York, New York >TWO-PHASE FLOW IN MICROCHANNELS
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TWO-PHASE FLOW IN MICROCHANNELS

机译：微通道中的两相流

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摘要

Experimental investigation of a heat sink for electronics cooling is performed The objective is to keep the operating temperature at a relatively low level of about 323-333K, while reducing the undesired temperature variation in both the streamwise and transverse directions. The experimental study is based on systematic temperature, flow and pressure measurements, infrared radiometry and high-speed digital video imaging. The heat sink has parallel triangular microchannels with a base of 250μm. According to the objectives of the present study, Vertrel XF is chosen as the working fluid Experiments on flow boiling of Vertrel XF in the microchannel heat sink are performed to study the effect of mass velocity and vapor quality on the heat transfer, as well as to compare the two-phase results to a single-phase water flow.
机译：进行了用于电子冷却的散热器的实验研究，目的是将工作温度保持在大约323-333K的较低水平，同时减少沿流向和横向的不希望有的温度变化。实验研究基于系统的温度，流量和压力测量，红外辐射测量和高速数字视频成像。散热器具有底部为250μm的平行三角形微通道。根据本研究的目的，选择Vertrel XF作为工作流体。对Vertrel XF在微通道散热器中的流动沸腾进行了实验，以研究质量速度和蒸汽质量对传热以及对传热的影响。将两相结果与单相水流进行比较。

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