In a concentrated solar power plant, molten salt tank is used to store the thermal energy from the sun during the day. The tank wall thickness is 3cm containing molten salt at a temperature of 390 degree Celsius. There is atmospheric air outside the tank at a temperature of 30 degree Celsius. If the thermal conductivity of the wall is 0.2 W/(m-K) and the surface temperature of the wall on the hot side is 370 degree Celsius and on the cold side is 230 degree Celsius, calculate the overall heat transfer coefficient? 0.19 W/(m²-K) 0.39 W/(m2-K) O 2.59 W/(m2-K) O 5.24 W/(m2-K)

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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In a concentrated solar power plant, molten
salt tank is used to store the thermal
energy from the sun during the day. The
tank wall thickness is 3cm containing
molten salt at a temperature of 390 degree
Celsius. There is atmospheric air outside
the tank at a temperature of 30 degree
Celsius. If the thermal conductivity of the
wall is 0.2 W/(m-K) and the surface
temperature of the wall on the hot side is
370 degree Celsius and on the cold side is
230 degree Celsius, calculate the overall
heat transfer coefficient?
0.19 W/(m²-K)
0.39 W/(m2-K)
O 2.59 W/(m2-K)
O 5.24 W/(m2-K)
Transcribed Image Text:In a concentrated solar power plant, molten salt tank is used to store the thermal energy from the sun during the day. The tank wall thickness is 3cm containing molten salt at a temperature of 390 degree Celsius. There is atmospheric air outside the tank at a temperature of 30 degree Celsius. If the thermal conductivity of the wall is 0.2 W/(m-K) and the surface temperature of the wall on the hot side is 370 degree Celsius and on the cold side is 230 degree Celsius, calculate the overall heat transfer coefficient? 0.19 W/(m²-K) 0.39 W/(m2-K) O 2.59 W/(m2-K) O 5.24 W/(m2-K)
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