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Air expands adiabatically in a piston-cylinder assembly from an initial state where p₁ = 100 lbf/in.2, v₁ = 3.704 ft³/lb, and T₁ = 1000 °R, to a final state where p2 = 20 lbf/in.2 The process is polytropic with n = 1.4. The change in specific internal energy, in Btu/lb, can be expressed in terms of temperature change as Au = (0.171) (T2-T1). Determine the final temperature, in °R. Kinetic and potential energy effects can be neglected. T₂ = i °R

Air expands adiabatically in a piston-cylinder assembly from an initial state where p₁ = 100 lbf/in.2, v₁ = 3.704 ft³/lb, and T₁ = 1000 °R, to a final state where p2 = 20 lbf/in.2 The process is polytropic with n = 1.4. The change in specific internal energy, in Btu/lb, can be expressed in terms of temperature change as Au = (0.171) (T2-T1). Determine the final temperature, in °R. Kinetic and potential energy effects can be neglected. T₂ = i °R

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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8. thermodynamics
Air expands adiabatically in a piston-cylinder assembly from an initial state where p₁ = 100 lbf/in.2, v₁ = 3.704 ft3/lb, and T₁ = 1000 °R, to a final state where p2 = 20 lbf/in.2 The process is polytropic with n = 1.4. The change in specific internal energy, in Btu/lb, can be expressed in terms of temperature change as Au= (0.171) (T2-T1). Determine the final temperature, in °R. Kinetic and potential energy effects can be neglected. T₂ = i °R
Transcribed Image Text:Air expands adiabatically in a piston-cylinder assembly from an initial state where p₁ = 100 lbf/in.2, v₁ = 3.704 ft3/lb, and T₁ = 1000 °R, to a final state where p2 = 20 lbf/in.2 The process is polytropic with n = 1.4. The change in specific internal energy, in Btu/lb, can be expressed in terms of temperature change as Au= (0.171) (T2-T1). Determine the final temperature, in °R. Kinetic and potential energy effects can be neglected. T₂ = i °R
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