Chemical Engineering - Chemical Engineering Basics - Discussion


Transition from laminar to turbulent zone in free convection heat transfer is governed by the critical value of

[A]. Grashoff number.
[B]. Grashoff number & Reynolds number.
[C]. Reynolds number.
[D]. Grashoff number & Prandtl number.

Answer: Option D


No answer description available for this question.

Bipin said: (Mar 24, 2018)  
Can anyone explain? Please explain.

Sunil Tiwari said: (Apr 5, 2018)  
The Rayleigh Number Depends on both Pr and Gr. Transits from laminar to turbulent at 10^ 9.

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