Chemical Engineering - Heat Transfer - Discussion

Discussion Forum : Heat Transfer - Section 11 (Q.No. 18)

Heat Transfer

18.

Heat transfer co-efficient equation for forced convection, Nu = 0.023 R_e^0.8 . P_rⁿ, is not valid, if the value of

n = 0.4 is used for heating.

n = 0.3 is used for cooling.

Reynolds number for the flow involved is > 10000.

Reynolds number for the flow involved is < 2100.

Answer: Option

Explanation:

No answer description is available. Let's discuss.

Discussion:

1 comments Page 1 of 1.

Bikram said: 1 decade ago

Dittus boelter equation is only valid in turbulent flow.

(1)

Post your comments here:

Quick links

Quantitative Aptitude

Verbal (English)

Reasoning

Programming

Interview

Placement Papers