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Time- and Volume-Averaged Conservation Equations for Multiphase Flow Using Mass-Weighted Velocity and Internal Energy.

机译：利用质量加权速度和内能的多相流时间和体积平均守恒方程。

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Conservation equations of mass, momentum, and energy for multiphase flow, formulated on the basis of local volume averaging followed by time-averaging for turbulent flows, are presented. They are differential equations of transport with area integrals associated with interfacial transport. Because the spatial averaging theorems used in the analysis are subject to certain length scale restrictions, the resulting equations are best suited for dispersed systems. The difficulties of making direct comparisons of the volume-averaged and time-averaged conservation equations for multiphase flow are discussed. Nevertheless, an attempt was made to compare the time-averaged equations of Ishii and the energy equation used in the TRAC code with the present set of rigorously derived equations after considerable simplifications. Apparent agreement is found in all cases, although some differences remain.

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作者
Sha, W. T.; Chao, B. T.; Soo, S. L.;
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年度 1988
页码 1-84
总页数 84
原文格式 PDF
正文语种 eng
中图分类工业技术;
关键词
Multiphase flow; Conservation equations; Turbulent flow; Two phase flow; Velocity; Mass transfer; TRAC computer program;

机译：多相流;守恒方程;湍流;两相流;速度;传质; TRaC计算机程序;

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Time- and Volume-Averaged Conservation Equations for Multiphase Flow Using Mass-Weighted Velocity and Internal Energy.

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