Answered: 1. Which is more effective in…

Engineering

Mechanical Engineering

1. Which is more effective in transferring heat by natural convection or forced convection?

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)

8th Edition

ISBN:9781305387102

Author:Kreith, Frank; Manglik, Raj M.

Publisher:Kreith, Frank; Manglik, Raj M.

Chapter10: Heat Exchangers

Section: Chapter Questions

Problem 10.3P: 10.3 A light oil flows through a copper tube of 2.6-cm ID and 3.2-cm OD. Air flows perpendicular...

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Hello Sir,
Good Evening.

I have a question in my homework related Heat Transfer lesson. The following below is my question. Please Advice. Thank You

"In the concept of convection heat transfer, the value of the convection coefficient (ℎ) is highly dependent on the flow velocity. Based on the concept (give a brief explanation)
1. Which is more effective in transferring heat by natural convection or forced convection?
2. How to explain the relationship between flow velocity and convection coefficient (ℎ) ?"

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