Too. h Qconv A, E W₂ Qrad An electric heater is located in a room with air temperature of 20°C and wall temperature at 10°C. When the heater consumes 500 W of electric power, its surface has temperature of 120°C. What is the maximum power can be supplied to the heater if the surface temperature of the heater cannot be more than 150°C? Take heater surface area as 0.25 m² and emissivity 0.75 Tw

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Heat Transfer

Too.h
Qconv
A, E
W₂
Qrad
An electric heater is located in a room with air temperature of 20°C and wall temperature at
10°C. When the heater consumes 500 W of electric power, its surface has temperature of 120°C.
What is the maximum power can be supplied to the heater if the surface temperature of the
heater cannot be more than 150°C? Take heater surface area as 0.25 m² and emissivity 0.75
Tw
Transcribed Image Text:Too.h Qconv A, E W₂ Qrad An electric heater is located in a room with air temperature of 20°C and wall temperature at 10°C. When the heater consumes 500 W of electric power, its surface has temperature of 120°C. What is the maximum power can be supplied to the heater if the surface temperature of the heater cannot be more than 150°C? Take heater surface area as 0.25 m² and emissivity 0.75 Tw
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