The H2-forced convection in a rectangular duct of large aspect ratio (>10) is studied. It is found that the short ends have non-negligible effects on the Nusselt number and the temperature distribution. Even at infinite aspect ratios, the Nusselt number depends on the net heat addition from the ends, but not how they are distributed.
End Effects on H2-Forced Convection in Rectangular Ducts of Large Aspect Ratios
Contributed by the Heat Transfer Division of ASME for publication in the JOURNAL OF HEAT TRANSFER. Manuscript received October 30, 2017; final manuscript received January 3, 2019; published online April 17, 2019. Assoc. Editor: Sara Rainieri.
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Wang, C. Y. (April 17, 2019). "End Effects on H2-Forced Convection in Rectangular Ducts of Large Aspect Ratios." ASME. J. Heat Transfer. June 2019; 141(6): 064501. https://doi.org/10.1115/1.4042488
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