Boiling pressure drop and local heat transfer distribution of helical coils with water at low pressure

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• 作者：B.K. Hardik ^{h.kothadia@gmail.com} ; S.V. Prabhu ; ^{svprabhu@iitb.ac.in}
• 关键词：Local heat transfer coefficient ; Two-phase pressure drop ; Low pressure ; Flow boiling ; Infrared thermal camera
• 刊名：International Journal of Thermal Sciences
• 出版年：2017
• 出版时间：April 2017
• 年：2017
• 卷：114
• 期：Complete
• 页码：44-63
• 全文大小：8670 K
• 卷排序：114

文摘

Literature review is presented on two-phase pressured drop and heat transfer. Axial heat transfer distribution is analysed on inner and outer side of coils. Effect of heat flux, mass flux and curvature on two-phase flow boiling is studied. Heat transfer coefficient in subcooled flow is enhanced in helical coils. Correlation is developed to predict the two-phase pressure drop at low pressure.