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Air in a piston/cylinder goes through a Carnot cycle with
Chapter 5, Problem 100HP(choose chapter or problem)
Problem 100HP
Air in a piston/cylinder goes through a Carnot cycle with the P–v diagram shown in Fig. 5.24. The high and low temperatures are 600 K and 300 K, respectively. The heat added at the high temperature is 250 kJ/kg, and the lowest pressure in the cycle is 75 kPa. Find the specific volume and pressure after heat rejection and the net work per unit mass.
FIGURE 5.24 The ideal-gas Carnot cycle.
Questions & Answers
QUESTION:
Problem 100HP
Air in a piston/cylinder goes through a Carnot cycle with the P–v diagram shown in Fig. 5.24. The high and low temperatures are 600 K and 300 K, respectively. The heat added at the high temperature is 250 kJ/kg, and the lowest pressure in the cycle is 75 kPa. Find the specific volume and pressure after heat rejection and the net work per unit mass.
FIGURE 5.24 The ideal-gas Carnot cycle.
ANSWER:
Solution
Step 1 of 4
We need to find out the specific volume and pressure after heat rejection and the net work per unit mass.