A vehicle carrying refrigeration box is moving with a speed of 24 m/s on a road with ambient temperature of 323 K. The dimensions of box are 3 m(H) × 4 m (W) × 10 m (L). Assume a wall temperature of 283 K and air flow is parallel to the longest side of the box. Neglecting the heat loss from the front side and backside of the box, calculate heat loss from four surfaces. For flow over flat surfaces use Nu = 0.036(Re) 0.8(Pr) 1/3 The properties of air at bulk mean temperature are :  = 1.165 kg/m

A vehicle carrying refrigeration box is moving with a speed of 24 m/s on a road with ambient temperature of 323 K. The dimensions of box are 3 m(H) × 4 m (W) × 10 m (L). Assume a wall temperature of 283 K and air flow is parallel to the longest side of the box. Neglecting the heat loss from the front side and backside of the box, calculate heat loss from four surfaces. For flow over flat surfaces use Nu = 0.036(Re) 0.8(Pr) 1/3 The properties of air at bulk mean temperature are :  = 1.165 kg/m

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 7.11P

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