An experimental study of spatiotemporally resolved heat transfer in thin liquid-film flows falling over an inclined heated foil
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- 作者：Christos N. Markides ; c.markides@imperial.ac.uk" class="auth_mail" title="E-mail the corresponding author ; Richard Mathie richard.mathie@cantab.net" class="auth_mail" title="E-mail the corresponding author ; Alexandros Charogiannis ac1005@ic.ac.uk" class="auth_mail" title="E-mail the corresponding author
- 关键词：Film flows ; Planar laser-induced fluorescence ; Infrared thermography ; Convection ; Unsteady heat transfer ; Heat transfer coefficient ; Film thickness
- 刊名：International Journal of Heat and Mass Transfer
- 出版年：2016
- 出版时间：February 2016
- 年：2016
- 卷：93
- 期：Complete
- 页码：872-888
- 全文大小：2829 K
文摘
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Thin liquid-film flows falling over an inclined heated foil were studied experimentally.
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A simultaneous PLIF and IR thermographic imaging technique was applied.
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Spatiotemporally resolved film thickness and interfacial temperature data are reported.
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The interfacial wave dynamics were linked to instantaneous and local HTC variations.
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The true HTC can be significantly higher than predictions based on Nusselt theory.