Chemical Engineering - Chemical Engineering Basics - Discussion
Discussion Forum : Chemical Engineering Basics - Section 1 (Q.No. 41)
41.
Nusselt number is related to Grashoff number (Gr) in turbulent & laminar flow respectively, in respect of free convection over a vertical flat plate as
Discussion:
2 comments Page 1 of 1.
Krista said:
2 years ago
Nusselt number relates the rate of convection to the rate of conduction.
On the other hand, the Grashoff number (Gr) characterizes the ratio between the buoyancy of a fluid to its viscosity.
In turbulent flow, Nu = C * (Gr) ^1/3.
In laminar flow, Nu = C * (Gr) ^1/4.
On the other hand, the Grashoff number (Gr) characterizes the ratio between the buoyancy of a fluid to its viscosity.
In turbulent flow, Nu = C * (Gr) ^1/3.
In laminar flow, Nu = C * (Gr) ^1/4.
Chinni said:
4 months ago
A is correct for the vertical flat plate.
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