An 8-m-internal-diameter spherical tank made of 1.5-cm-thick stainless steel AISI 302 is used to store iced water at 0°C. The tank is located in a room with temperature 25°C. The outer surface of the tank is black (emissivity, ε = 1), the heat transfer between the outer surface of the tank and the surroundings is by natural convection and radiation. The convection heat transfer coefficients at the inner and the outer surfaces of the tank are 80 W/m2K and 10W/m2K, respectively; and the outer surface temperature of the tank is 5°C. Draw the equivalent thermal circuit of the system. Determine the total heat transfer rate to the iced water in the tank and the total amount of ice at 0°C that melts after 24 hours.
An 8-m-internal-diameter spherical tank made of 1.5-cm-thick stainless steel AISI 302 is used to store iced water at 0°C. The tank is located in a room with temperature 25°C. The outer surface of the tank is black (emissivity, ε = 1), the heat transfer between the outer surface of the tank and the surroundings is by natural convection and radiation. The convection heat transfer coefficients at the inner and the outer surfaces of the tank are 80 W/m2K and 10W/m2K, respectively; and the outer surface temperature of the tank is 5°C. Draw the equivalent thermal circuit of the system. Determine the total heat transfer rate to the iced water in the tank and the total amount of ice at 0°C that melts after 24 hours.
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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An 8-m-internal-diameter spherical tank made of 1.5-cm-thick stainless steel
AISI 302 is used to store iced water at 0°C. The tank is located in a room
with temperature 25°C. The outer surface of the tank is black (emissivity, ε
= 1), the heat transfer between the outer surface of the tank and the
surroundings is by natural convection and radiation. The convection heat
transfer coefficients at the inner and the outer surfaces of the tank are 80
W/m2K and 10W/m2K, respectively; and the outer surface temperature of the
tank is 5°C.
Draw the equivalent thermal circuit of the system.
Determine the total heat transfer rate to the iced water in the tank and the total amount of ice at 0°C that melts after 24 hours.
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