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 ?
0.5
1
1.5
80
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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.
(1)

Amit Gupta said:   5 years ago
Thermal boundary layer = hydrodynamic boundary layer/ (Npr) ^1/3.

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