The effect of surfactants on upward air-water pipe flow at various inclinations
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- 作者：A.T. van Nimwegen ; a ; a.t.vannimwegen@tudelft.nl" class="auth_mail" title="E-mail the corresponding author ; driesvannimwegen@gmail.com" class="auth_mail" title="E-mail the corresponding author ; L.M. Portelaa ; l.portela@tudelft.nl" class="auth_mail" title="E-mail the corresponding author ; R.A.W.M. Henkesb ; c ; r.a.w.m.henkes@tudelft.nl" class="auth_mail" title="E-mail the corresponding author
- 关键词：Annular flow ; Churn flow ; Foam ; Liquid loading ; Inclinations
- 刊名：International Journal of Multiphase Flow
- 出版年：2016
- 出版时间：January 2016
- 年：2016
- 卷：78
- 期：Complete
- 页码：132-147
- 全文大小：8232 K
文摘
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We considered the effect of surfactants on inclined air–water pipe flow.
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In annular flow at large gas velocities surfactants increase the pressure gradient.
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At low gas velocities surfactants make the top liquid film very regular.
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Surfactants are unable to supress the churning of the thick bottom liquid film.
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Pressure gradient reduction by surfactants scales with inclination in churn flow.