If the temperature profile through the ground is linear, increasing from 35F at the surface by 0.5F
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If the temperature profile through the ground is linear, increasing from 35°F at the surface by 0.5°F per foot of depth, how long will it take for a pipe buried 10 ft below the surface to reach 32°F if the outside air temperature is suddenly dropped to 0°F. The thermal diffusivity of soil may be taken as 0.02 ft2/h, its thermal conductivity is 0.8 Btu/h ft °F, and the convective heat transfer coefficient between the soil and the surrounding air is 1.5 Btu/h ft2 °F.
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Related Book For
Fundamentals Of Momentum Heat And Mass Transfer
ISBN: 9781118947463
6th Edition
Authors: James Welty, Gregory L. Rorrer, David G. Foster
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