What is Nusselt number?

Related MCQs

• Nusselt number is a function of Prandtl number and __________ number of fluid in natural convection heat transfer.
• The Sieder-Tate correlation for heat transfer in turbulent flow in pipe gives Nu α Re0.8 , where, Nu is the Nusselt number and Re is the Reynolds number for the flow. Assuming that this relation is valid, the heat transfer co-efficient varies with the pipe diameter (D) as
• Nusselt number (for forced convection heat transfer) is a function of the __________ number.
• In free con-vection heat transfer, Nusselt number is function of
• Nusselt number is the ratio of the
• The Nusselt number for fully developed (both thermally and hydrodynamically) laminar flow through a circular pipe, where the wall heat flux is constant, is
• Nusselt number is the ratio of the temperature gradient at the wall to
• In forced convection, the Nusselt number is a function of
• Value of Nusselt number [Nu = (hD/k)] for the heat transfer by conduction from a droplet or a spherical particle to a surrounding stagnant film is
• The Nusselt number for fully developed (both thermally and hydrodynamically) laminar flow through a circular pipe whose surface temperature remains constant is