Budget analysis of the turbulent kinetic energy for bubbly flow in a vertical channel
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- 作者：C. Santarellia ; J. Roussela ; b ; J. Frö ; hlicha ; jochen.froehlich@tu-dresden.de" class="auth_mail" title="E-mail the corresponding author
- 关键词：Direct Numerical Simulation ; Bubbly flow ; Vertical channel flow ; Turbulent kinetic energy ; Budget equation
- 刊名：Chemical Engineering Science
- 出版年：2016
- 出版时间：17 February 2016
- 年：2016
- 卷：141
- 期：Complete
- 页码：46-62
- 全文大小：4174 K
文摘
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Own data sets from DNS of bubbles in turbulent channel flow are analysed.
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Budget of the turbulent kinetic energy for bubbly flows evaluated.
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New data constitute a reference for model evaluation and development.
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Dedicated flow visualizations address the local contribution to the TKE budget.
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Existing closures for interfacial term assessed and an improved variant proposed.