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Elementary,Middle School,High School,College,University,PHD
| Teaching Since: | May 2017 |
| Last Sign in: | 398 Weeks Ago, 1 Day Ago |
| Questions Answered: | 66690 |
| Tutorials Posted: | 66688 |
MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
The soil temperature in the upper layers of the earth
varies with the variations in the atmospheric conditions. Before
a cold front moves in, the earth at a location is initially at a uniform
temperature of 10°C. Then the area is subjected to a temperature
of 10°C and high winds that resulted in a convection
heat transfer coefficient of 40 W/m2 · °C on the earth’s surface
for a period of 10 h. Taking the properties of the soil at that location
to be k 0.9 W/m · °C and 1.6 105 m2/s, determine
the soil temperature at distances 0, 10, 20, and 50 cm
from the earth’s surface at the end of this 10-h period.
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