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QI Bricfly answer the following questions. 1. What is meant by heat transfer process? 2. Write any two important differences between conduction and convection. 3. What are the purpose of used fins in heat transfer?

QI Bricfly answer the following questions. 1. What is meant by heat transfer process? 2. Write any two important differences between conduction and convection. 3. What are the purpose of used fins in heat transfer?

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)
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.
Chapter2: Steady Heat Conduction
Section: Chapter Questions
Problem 2.42P: 2.42 A circumferential fin of rectangular cross section, 3.7-cm OD and 0.3 cm thick, surrounds a...
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QI Briefly answer the following questions. 1. What is meant by heat transfer process? Write any two important differences between conduction and convection. 2. 3. What are the purpose of used fins in heat transfer? 4. Derive an expression for overall heat transfer coefficient based on inner area for a hollow cylinder with convective heat transfer from both inner and outer sides. 5. Prove that the critical thickness of insulation is Rer = k/h , where k is the thermal conductivity of the material and h is connective heat transfer coefficient.
Transcribed Image Text:QI Briefly answer the following questions. 1. What is meant by heat transfer process? Write any two important differences between conduction and convection. 2. 3. What are the purpose of used fins in heat transfer? 4. Derive an expression for overall heat transfer coefficient based on inner area for a hollow cylinder with convective heat transfer from both inner and outer sides. 5. Prove that the critical thickness of insulation is Rer = k/h , where k is the thermal conductivity of the material and h is connective heat transfer coefficient.
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