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首页> 外文会议>ASME Fluid Engineering Division Conference >INTERFACIAL AREA AND NUMBER DENSITY TRANSPORT EQUATIONS FOR MODELING MULTIPHASE FLOWS WITH CAVITATION
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INTERFACIAL AREA AND NUMBER DENSITY TRANSPORT EQUATIONS FOR MODELING MULTIPHASE FLOWS WITH CAVITATION

机译：界面区域和数量密度传输方程，用于模拟多相流的空化

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摘要

In this paper we report progress toward developing advanced cavitation models with Eulerian multifluid method. The bubble number density and the interfacial area equations are introduced into the general framework of multifluid method for multiphase cavitating flows in order to account for the variable size nature of the bubble distribution. The physical models for bubble breakup and coalescence are based on the work by Ishii group's work in recent years. Simulation results of a cavitating flow are compared with the corresponding experimental data, which include the bubble size distribution, bubble volume fraction and bubble number density. The ability of predicting bubble distribution characteristics is particularly useful as an input for cavitation erosion analysis.
机译：在本文中，我们向欧拉多流体方法开发高级空化模型的进展。将气泡数密度和界面区域方程引入多相空化流动的多流体方法的一般框架中，以考虑气泡分布的可变尺寸特性。泡沫分手和聚结的物理模型基于ISHII集团近年来的工作。将空化流的仿真结果与相应的实验数据进行比较，其包括气泡尺寸分布，气泡体积分数和泡沫数密度。预测气泡分布特性的能力特别有用作为用于空化腐蚀分析的输入。

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