Question
Heat Transfer Question on Heat Transfer
If the Prandtl number Pr = 0.01, which of the following statements is/are correct?
A
The momentum diffusivity is much larger than the thermal diffusivity.
B
The thickness of the momentum boundary layer is much smaller than that of the thermal boundary layer.
C
The thickness of the momentum boundary layer is much larger than that of the thermal boundary layer.
D
The momentum diffusivity is much smaller than the thermal diffusivity.
Answer
The thickness of the momentum boundary layer is much smaller than that of the thermal boundary layer.
Explanation
Solution
The correct Answers are (B) :The thickness of the momentum boundary layer is much smaller than that of the thermal boundary layer. ,(D):The momentum diffusivity is much smaller than the thermal diffusivity.