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首页> 外文期刊>Journal of Thermophysics and Heat Transfer >Analysis of Screen Wick Heat Pipes, Including Capillary Dry-Out Limitations
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Analysis of Screen Wick Heat Pipes, Including Capillary Dry-Out Limitations

机译：筛芯吸热管的分析，包括毛细管干燥限制

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摘要

A complete numerical analysis of heat pipes is performed with no empirical correlations while including the flow in a wick. The numerical model is validated from experimental and numerical work. Single and multiple heat sources were used as well as constant, convective, and radiative heat sinks. The numerical model does not fix the internal pressure references by a point, but allows it to rise and fall based on the physics of the problem. Also, the capillary pressure needed in the wick to drive the flow is obtained for various heating configurations and powers. These capillary pressures, in conjunction with an analysis that predicts the maximum capillary pressure for a given heating load, are used to determine the dry-out limitations of a heat pipe.
机译：对热管的完整数值分析在没有经验相关性的情况下进行，同时将芯子中的流量包括在内。通过实验和数值工作验证了数值模型。使用单个和多个热源以及恒定，对流和辐射散热器。数值模型不会将内部压力参考值固定为一个点，而是允许其基于问题的物理原理而上升和下降。同样，对于各种加热配置和功率，可以获得芯线中驱动流动所需的毛细管压力。这些毛细管压力与预测给定加热负载下的最大毛细管压力的分析结合在一起，可用来确定热管的干燥极限。

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