A storage tank consists of a cylindrical section that has a length and inner and inner diameter of L=2 m and Di=1 m, respectively, and two hemispherical end sections. The tank is constructed form 20 mm thick glass (pyrex) and is exposed to ambient air for which the temperature is 300 K. The tank is used to store heated oil, which maintains the inner surface at a temperature of 400 K. Determine t

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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A storage tank consists of a cylindrical section that has a length and
inner and inner diameter of L=2 m and Di=1 m, respectively, and two
hemispherical end sections. The tank is constructed form 20 mm thick glass
(pyrex) and is exposed to ambient air for which the temperature is 300 K. The tank
is used to store heated oil, which maintains the inner surface at a temperature of
400 K. Determine the electrical power that must be supplied to a heater submerged
in the oil if the prescribed conditions are to be maintained. Radiation effects may
be neglected, and the pyrex may be assumed to have a thermal conductivity of 1.4
W/m.K.

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