Effect of rectangular winglet pair roll angle on the heat transfer enhancement in laminar channel flow

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• 作者：Assadour Khanjian^a ; ^b ; ^c ; ^{assadour.khanjian@liu.edu.lb} ; Charbel Habchi^d ; Serge Russeil^a ; Daniel Bougeard^a ; Thierry Lemenand^c
• 关键词：Longitudinal vortices ; Heat transfer enhancement ; Rectangular winglet ; Nusselt number ; Friction factor ; Energy efficiency
• 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：1-14
• 全文大小：5825 K
• 卷排序：114

文摘

Numerical analysis of the heat transfer in laminar channel flow with rectangular winglet pairs The helicity increases for high roll angles in the near wake of the winglet enhancing the heat transfer The thermal enhancement factor increases with the roll angle and reaches a maximum of 1.32