Consider a 4 m diameter spherical tank that is initially filled with liquid nitrogen at 1 atm and -196 °C as shown in Figure Q5. The tank is exposed to 20 °C ambient air and 40 km/h winds. The temperature of the thin shelled spherical tank is observed to be almost the same as the temperature of the nitrogen inside. By neglecting any radiation heat exchange, determine the rate of heat transfer to the liquid nitrogen in the tank as a result of heat transfer from the ambient air if the tank is; a) Without insulation b) Insulated with 5 cm thick fiberglass insulation with k = 0.035 W/m-°C

Consider a 4 m diameter spherical tank that is initially filled with liquid nitrogen at 1 atm and -196 °C as shown in Figure Q5. The tank is exposed to 20 °C ambient air and 40 km/h winds. The temperature of the thin shelled spherical tank is observed to be almost the same as the temperature of the nitrogen inside. By neglecting any radiation heat exchange, determine the rate of heat transfer to the liquid nitrogen in the tank as a result of heat transfer from the ambient air if the tank is; a) Without insulation b) Insulated with 5 cm thick fiberglass insulation with k = 0.035 W/m-°C

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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