If 3 kW is conducted through a section of insulating material 0.6 m2 in cross section and 2.5 cm thick and the thermal conductivity may be taken as 0.2W/m- C, compute the temperature difference across the material. A temperature difference of 85•C is impressed across a fiberglass layer of 13 cm thickness. The thermal conductivity of the fiberglass is 0.035W/m- C. Compute the heat transferred through the material per hour per unit areal

If 3 kW is conducted through a section of insulating material 0.6 m2 in cross section and 2.5 cm thick and the thermal conductivity may be taken as 0.2W/m- C, compute the temperature difference across the material. A temperature difference of 85•C is impressed across a fiberglass layer of 13 cm thickness. The thermal conductivity of the fiberglass is 0.035W/m- C. Compute the heat transferred through the material per hour per unit areal

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 2.63P

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