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 and its height and diameter is 10 m and 3 m, respectively. containing molten salt at a temperature of 390 degree Celsius. There is atmospheric air outside the tank at a temperature of 30 degree Celsius. 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. If the heat transfer from the molten salt to the ground is negligible and assuming the emissivity of the material equal to 1, calculate the total heat transfer to the ambient air? 78 kW

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 and its height and diameter is 10 m and 3 m, respectively. containing molten salt at a temperature of 390 degree Celsius. There is atmospheric air outside the tank at a temperature of 30 degree Celsius. 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. If the heat transfer from the molten salt to the ground is negligible and assuming the emissivity of the material equal to 1, calculate the total heat transfer to the ambient air? 78 kW

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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Question

What’s the correct answer for this please ?

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 and its height
and diameter is 10 m and 3 m,
respectively. containing molten salt at a
temperature of 390 degree Celsius. There is
atmospheric air outside the tank at a
temperature of 30 degree Celsius. 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. If the heat transfer from the molten
salt to the ground is negligible and
assuming the emissivity of the material
equal to 1, calculate the total heat transfer
to the ambient air?
78 kW
296 kW
O 414 kW

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