Title: The nonlinear increase of nusselt number with friction factor in fully developed laminar duct flow
Authors: Van den Bulck, Eric # ×
Issue Date: Oct-2004
Publisher: ASME-AMER Soc Mechanical Eng
Series Title: Journal of Heat Transfer-Transactions of the ASME vol:126 pages:840-842
Abstract: This paper deals with heat transfer in fully developed laminar flow in cylindrical ducts. For this type of flow, the product of friction factor with Reynolds number f Re and the Nusselt number are both constants. It is known that the Nusselt number increases with the shift of boundary condition from constant wall temperature to constant heat flux. Also, the ratio of the Nusselt number to f Re increases when the convexity of the duct is reduced, e.g.,a cylinder visavis parallel plates. This paper gives a simple physical explanation for these two phenomenona.
ISSN: 0022-1481
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Applied Mechanics and Energy Conversion Section
× corresponding author
# (joint) last author

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