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首页> 外文期刊>Experimental Thermal and Fluid Science: International Journal of Experimental Heat Transfer, Thermodynamics, and Fluid Mechanics >Heat transfer analysis according to condensation flow structures in a minichannel
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Heat transfer analysis according to condensation flow structures in a minichannel

机译：微型通道内冷凝流结构的传热分析

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摘要

An experimental investigation of complete condensation flow is undertaken for a range of mass flow rates between 3.4 and 13.8 kg/ m(2) s. The associated flow regimes are visualized using an ombroscopic technique. Two major flows are observed (with or without release of bubbles). A critical value of the mass flow rate is obtained at the transition between these two regimes. The visualization also enables a local parameter to be determined: the void fraction. The influence of the presence of a bubbly zone is highlighted by the heat transfer and pressure drops. Finally, the dependence of the critical value of the mass flow rate on the temperature of the secondary flow is obtained. (C) 2006 Elsevier Inc. All rights reserved.
机译：在3.4至13.8 kg / m（2）s的质量流率范围内，进行了完全冷凝流的实验研究。相关的流态使用显微镜技术可视化。观察到两个主要流动（有或没有气泡的释放）。在这两个状态之间的过渡处获得质量流率的临界值。可视化还可以确定局部参数：空隙率。通过传热和压降突出了气泡区的存在的影响。最后，获得质量流率的临界值与二次流的温度之间的关系。 （C）2006 Elsevier Inc.保留所有权利。

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