Consider air (ideal gas) as working substance inside a piston-cylinder device (closed system). This air undergoes a power cycle as shown in figure. Determine work output per unit mass of air and thermal efficiency. Analyze each and every process of the cycle. Use cold air standard analysis with C_p and C_v as constants. For air, C_p=1.007kJ/(kg K) and R=0.287 kJ/(kg K).  

P₃=1 MPa, P₂=0.42 MPa, P₁=0.1 MPa

v₂=v₃= 1.1 m³/kg

v₁=v₄

Posted Date: 3/25/2013 4:10:09 AM | Location : United States

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