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Consider a rigid tank of 2m³ containing pressurized air at 400kPa and 25°C. The tank slowly deflates through a small hole in the tank wall. Due to the loss of air, the pressure drops to 100kPa and due to heat transfer with the environment, the temperature of the air in the tank remains on 25°C. Calculate the the heat transfer. Solution Assuming the tank releases heat to the environment, the energy balance becomes: mouthout + Qout m₁u1 = m 2 U 2

Consider a rigid tank of 2m³ containing pressurized air at 400kPa and 25°C. The tank slowly deflates through a small hole in the tank wall. Due to the loss of air, the pressure drops to 100kPa and due to heat transfer with the environment, the temperature of the air in the tank remains on 25°C. Calculate the the heat transfer. Solution Assuming the tank releases heat to the environment, the energy balance becomes: mouthout + Qout m₁u1 = m 2 U 2

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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Example Consider a rigid tank of 2m³ containing pressurized air at 400kPa and 25°C. The tank slowly deflates through a small hole in the tank wall. Due to the loss of air, the pressure drops to 100kPa and due to heat transfer with the environment, the temperature of the air in the tank remains on 25°C. Calculate the the heat transfer. Solution Assuming the tank releases heat to the environment, the energy balance becomes: M₁ U₁ = M₂U₂ + mouthout + Qout
Transcribed Image Text:Example Consider a rigid tank of 2m³ containing pressurized air at 400kPa and 25°C. The tank slowly deflates through a small hole in the tank wall. Due to the loss of air, the pressure drops to 100kPa and due to heat transfer with the environment, the temperature of the air in the tank remains on 25°C. Calculate the the heat transfer. Solution Assuming the tank releases heat to the environment, the energy balance becomes: M₁ U₁ = M₂U₂ + mouthout + Qout
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