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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
A spherical vessel used as a reactor for producing pharmaceuticals has a 10-mm-thick stainless steel wall (k = 17 W/m . K ) and an inner diameter of 1 m. The exterior surface of the vessel is exposed to ambient air (T∞ = 25°C) for which a convection coefficient of 6 W/m2 . K may be assumed.
(a) During steady-state operation, an inner surface temperature of 50°C is maintained by energy generated within the reactor. What is the heat loss from the vessel?
(b) If a 20-mm-thick layer of fiberglass insulation (k = 0.040 W/m . K ) is applied to the exterior of the vessel and the rate of energy generation is unchanged, what is the inner surface temperature of the vessel?
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