Mechanical Engineering - Heat Transfer, Refrigeration and Air Conditioning - Discussion

Discussion Forum : Heat Transfer, Refrigeration and Air Conditioning - Section 4 (Q.No. 35)
35.
The rato of energy transferred by convection to that by conduction is called
Stanton number
Nusselt number
Biot number
Peclet number
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
7 comments Page 1 of 1.

Atul Kumar said:   3 years ago
The analytical formula is the same for both of them which (hL/k) but k in Nu number is the thermal conductivity of fluid wherein Bi, it is the thermal conductivity of solid not fluid.

Spitfire said:   4 years ago
Biot number is for solids. There is no convection in solids.

Vinod said:   4 years ago
Biot number is right.

Pail said:   5 years ago
Yes, right @Seya.

Seya said:   6 years ago
Biot number is also true.

Suraj said:   6 years ago
Nusselt Number is the correct answer. I agree.

Amit said:   7 years ago
It is also Biot no= hL/k.

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