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Problem 1
A mass of 5 kg of air is cooled in a closed tank from 250 ⁰C to 50 ⁰C. The initial pressure is 3 MPa.
Compute the change in entropy, internal energy and enthalpy. Show the process state points on a Ts
diagram.
Solution
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View Full Document Problem 2
Air is expanded in a steady flow process through a turbine. Initial conditions are 1300 ⁰C and 2.0 MPa
(abs). Final conditions are 500 ⁰C and atmospheric pressure. Show this process on a Ts diagram. Evaluate
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This note was uploaded on 02/13/2012 for the course ME 309 taught by Professor Merkle during the Fall '08 term at Purdue University.
 Fall '08
 MERKLE

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