For a liquid in laminar flow through a very long tube, when the exit fluid temperature approaches the wall temperature, the equation to be used is A)Nu = 0.023 Re^0.8. Pr^0.4 B)Nu = (?/2) Gz C)Nu = (2/?) Gz D)Nu = 2Gz^0.5

Question

Quizplus · Accepted Answer

When the exit fluid temperature approaches the wall temperature in laminar flow, the Nusselt number is given by Nu = (2/π) Gz, where Gz is the Graetz number.

For a Liquid in Laminar Flow Through a Very Long