Answer to Question #115775 in Mechanical Engineering for Smith

Question #115775
Air initially at 50 psia and 140 0F undergoes a polytropic process such that the temperature becomes 40 0F. The polytropic exponent for the process is equal to 1.3. Find the final pressure and specific volume.
1
Expert's answer
2020-05-19T09:13:43-0400

, n= 1.3

we know that for polytropic process as




0.2857 =


taking log both sides


log(0.2857) = 0.231 log


-2.355= log







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