文档介绍
利用ANSYS CFX11.0软件,采用标准k-ε湍流模式封闭雷诺应力项,使用匀相多相流模型和Zwart-Gerber-Belamri空化模型对轴流泵模型的汽蚀特性进行三维定常数值模拟,计算得到的流量-必需汽蚀余量(net positivesuction head,NPSHr)曲线与试验结果趋势一致.另外,分析了工况和NPSH对轴流泵汽蚀特性以及泵内汽蚀形态的影响.
文档标签:
工程热物理
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