微通道内环形流动的数值模拟

Proceedings of 6th Electronics Packaging Technology Conference (EPTC 2004) (IEEE Cat. No.04EX971) Pub Date : 2004-12-08 DOI:10.1109/EPTC.2004.1396673

Y. Yap, K. Toh, T. Wong, J. Chai

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引用次数: 1

摘要

近年来对微通道内流动沸腾的实验研究表明，环形流动是主要的两相流形式。本研究是微通道中环形流动模拟的初步尝试。本文研究了含相变的两相轴对称流动。采用水平集法跟踪两相之间的界面。为了克服水平集方法的质量守恒问题，提出了一种局部质量校正(LMC)方案。在LMC中，即使发生相变，质量也能很好地保持。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Numerical modeling of annular flow in microchannel

Recent experimental studies on flow boiling in micro-channels reveal that annular flow is the dominant two-phase flow pattern. This study is an initial effort towards the simulation of annular flow in micro-channels. In this article, two-phase axisymmetric flows with phase change are studied. The level-set method is used to track the interface between the phases. To overcome the mass conservation problem of the level-set method, a local mass correction (LMC) scheme is proposed. With the proposed LMC, mass is shown to conserve well even phase change occurs.

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Proceedings of 6th Electronics Packaging Technology Conference (EPTC 2004) (IEEE Cat. No.04EX971)

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