Numerical investigation of air-entrainment in skimming flow over stepped spillways
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- 作者：Jiemin Zhan ; Jianbo Zhang ; Yejun Gong ; gongyj3@mail.sysu.edu.cn" class="auth_mail" title="E-mail the corresponding author ; yejungong@126.com" class="auth_mail" title="E-mail the corresponding author
- 关键词：Skimming flow ; Stepped spillways ; Air-entrainment ; Large eddy simulation
- 刊名：Theoretical and Applied Mechanics Letters
- 出版年：2016
- 出版时间：May 2016
- 年：2016
- 卷：6
- 期：3
- 页码：139-142
- 全文大小：1343 K
文摘
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Simulation is performed of the air-entrainment in skimming flow using the volume of fluid (VOF), mixture and Eulerian.
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The VOF+large eddy simulation (LES) method is able to capture the splashing water droplets.
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The mixture+LES method predicts the inception of air entrainment most accurately.
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The Eulerian+Reynolds-averaged Navier–Stokes (RANS) method fails to capture the free-surface aeration.