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-  2016 

湍流模型对微通道内空化流动模拟结果的影响分析
Analysis of simulation results for cavitating flows in micro-channels using different turbulence models

DOI: 10.7523/j.issn.2095-6134.2016.02.010

Keywords: 水力空化,微通道,湍流模型,数值模拟
hydrodynamic cavitation
,micro-channel,turbulence model,numerical simulation

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Abstract:

摘要 应用4种湍流模型(标准k-ε模型、标准k-ω模型、Transition SST模型和Transition k-kl-ω模型)对微通道内空化流动进行模拟.通过与实验结果对比,分析4种湍流模型在空化流动模拟计算中的预测能力.结果表明:标准k-ω模型预测的流量和空化流型与实验结果最为接近.Transition SST模型和Transition k-kl-ω模型流量预测结果与实验较为吻合,但流型预测误差较大.标准k-ε模型未能预测出空化流动,不适用于低雷诺数下的空化流动计算.

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