A rod of square cross section (4 inch by 4 inch) and 10 feet long is buried in the ground. The rod is vertical, with one end located at the surface of the ground. The conductivity of the soil is 0.5 Btu/h ft F. The surface of the rod is at 150 F, and ground's

A rod of square cross section (4 inch by 4 inch) and 10 feet long is buried in the ground. The rod is vertical, with one end located at the surface of the ground. The conductivity of the soil is 0.5 Btu/h ft F. The surface of the rod is at 150 F, and ground's

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 2.52P

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Question

i need the answer quickly

A rod of square cross section (4 inch by 4 inch) and
10 feet long is buried in the ground. The rod is
vertical, with one end located at the surface of the
ground. The conductivity of the soil is 0.5 Btu/h ft F.
The surface of the rod is at 150 F, and ground's
surface is at 70 F. What is the rate of heat flow from
the rod to the ground (Btu/h)?

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