Chemical Engineering - Heat Transfer - Discussion
Discussion Forum : Heat Transfer - Section 5 (Q.No. 14)
14.
At what value of Prandtl number, the hydrodynamic and thermal boundary layers are identical ?
Discussion:
2 comments Page 1 of 1.
Ankit Saini said:
4 years ago
For Pr=1. Hydrodynamic B layer equal to thermal B layer.
Pr>1 hydrodynamic B layer will increased more campared to thermal boundary layer.
Pr<1 thermal boundary layer will increased more compared to HBL.
Pr>1 hydrodynamic B layer will increased more campared to thermal boundary layer.
Pr<1 thermal boundary layer will increased more compared to HBL.
(1)
Amit Gupta said:
5 years ago
Thermal boundary layer = hydrodynamic boundary layer/ (Npr) ^1/3.
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