收稿日期: 2015-03-13
修回日期: 2015-05-25
网络出版日期: 2016-03-15
基金资助
国家自然科学基金(51376181)资助
Analysis of simulation results for cavitating flows in micro-channels using different turbulence models
Received date: 2015-03-13
Revised date: 2015-05-25
Online published: 2016-03-15
崔振东 , 刘斌 , 蔡军 , 淮秀兰 . 湍流模型对微通道内空化流动模拟结果的影响分析[J]. 中国科学院大学学报, 2016 , 33(2) : 213 -217 . DOI: 10.7523/j.issn.2095-6134.2016.02.010
The cavitation flows in micro-channels were numerically investigated using four different turbulence models, and the models are as follows: standard k-ε turbulence model, standard k-ω turbulence model, Transition SST turbulence model, and Transition k-kl-ω turbulence model. In comparison to the experimental results, the prediction abilities of these turbulence models for the cavitation flow were analyzed in details. The results show that both the flow rate and flow pattern predicted by the standard k-ε turbulence model agree well with the experimental results. Although the flow rates predicted by the Transition SST turbulence model and the Transition k-kl-ω turbulence model also agree well with the experimental results, the predicted flow patterns significantly deviate from the experimental ones. The standard k-ε turbulence model failed to predict the cavitation flow, which indicates that it is not suitable for the low Reynolds number flow circumstance.
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