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2. A spherical tank with internal diameter of 197-inches is made of 3-cm-thick stainless steel (k = 20 W/m °C) and is used to store iced water at To1 = 0°C. The tank is located in a room whose temperature is T-2 = 537°R. The walls of the room are also at 537°R. The outer surface of the tank is black and 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 hı = 75W/m² °C and h2 = 20 W/m?°C, respectively. Determine (a) the rate of heat transfer to the iced water in the tank and (b) the amount of ice at 0°C that melts during a 12-h perioc

2. A spherical tank with internal diameter of 197-inches is made of 3-cm-thick stainless steel (k = 20 W/m °C) and is used to store iced water at To1 = 0°C. The tank is located in a room whose temperature is T-2 = 537°R. The walls of the room are also at 537°R. The outer surface of the tank is black and 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 hı = 75W/m² °C and h2 = 20 W/m?°C, respectively. Determine (a) the rate of heat transfer to the iced water in the tank and (b) the amount of ice at 0°C that melts during a 12-h perioc

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
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2. A spherical tank with internal diameter of 197-inches is made of 3-cm-thick stainless steel (k = 20 W/m °C) and is used to store iced water at To1 = 0°C. The tank is located in a room whose temperature is T2 = 537°R. The walls of the room are also at 537°R. The outer surface of the tank is black and 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 hı= 75W/m2 °C and h2 = 20 W/m2°C, respectively. Determine (a) the rate of heat transfer to the iced water in the tank and (b) the amount of ice at 0°C that melts during a 12-h period
Transcribed Image Text:2. A spherical tank with internal diameter of 197-inches is made of 3-cm-thick stainless steel (k = 20 W/m °C) and is used to store iced water at To1 = 0°C. The tank is located in a room whose temperature is T2 = 537°R. The walls of the room are also at 537°R. The outer surface of the tank is black and 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 hı= 75W/m2 °C and h2 = 20 W/m2°C, respectively. Determine (a) the rate of heat transfer to the iced water in the tank and (b) the amount of ice at 0°C that melts during a 12-h period
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