A long aluminum wire of diameter 4 mm at a temperature of 370°C is subjected to cross air flow at 30°C at a velocity of 5.8 m/s. What is the conveçtive heat transfer coefficient (W/m".K)? Air properties: v =3.455×10¨ m /s, Pr = 0.6974, k = 0.03779 W/m.°C -5 Select one:

A long aluminum wire of diameter 4 mm at a temperature of 370°C is subjected to cross air flow at 30°C at a velocity of 5.8 m/s. What is the conveçtive heat transfer coefficient (W/m".K)? Air properties: v =3.455×10¨ m /s, Pr = 0.6974, k = 0.03779 W/m.°C -5 Select one:

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.

Chapter7: Forced Convection Inside Tubes And Ducts

Section: Chapter Questions

Problem 7.38P

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Question

A long aluminum wire of diameter 4
mm at a temperature of 370°C is
subjected to cross air flow at 30°C at a
velocity of 5.8 m/s. What is the
conveçtive heat transfer coefficient
(W/m".K)?
Air properties: v =3.455×10¨ m /s, Pr =
0.6974, k = 0.03779 W/m.°C
-5
Select one:

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