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Keywords: perforated cylinderClose
Journal: Journal of Heat Transfer
Article Type: Research-Article
J. Heat Transfer. April 2021, 143(4): 042602.
Paper No: HT-20-1514
Published Online: February 22, 2021
... and outer surface at a lower pitch is less than that of the higher pitch when d/L is less than 0.02 for all Ra. The heat transfer rate of the perforated cylinder is more than the nonperforated cylinder for all the cases when L/D is less than 10 and Ra less than 10 6 . However, for Ra more than 10 6...