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At what value of Prandtl number, conduction is negligible in the turbulent core of a fluid flowing through a heated pipe ?
Related MCQs
The overall heat transfer co-efficient for a shell and tube heat exchanger for clean surfaces is U0 = 400 W/m2.K. The fouling factor after one year of operation is found to be hd0 = 2000 W/m2.K. The overall heat transfer co-efficient at this time is __________?
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At what value of Prandtl number, conduction is negligible in the turbulent core of a fluid flowing through a heated pipe ?
A. 0.5
B. < 0.5
C. > 0.6
D. < 0.1
Correct Answer:
> 0.6
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Last Updated:
March 03, 2019