Ex9_7 - State 3 1000 1400 q = cp(t3-t2s) = 707.2252 kJ/kg...

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Example 9.7 cold air standard Modified from Ex9.4, main changes in red Parameters (SI units) R k p1 T1 A.V p2/p1 T3 eta_reg 0.287 1.4 100 300 5 10 1400 0.8 cp 1.0045 p v T m_dot State 1 100 300 0.861 5.807201 State 2s 1000 579.2093 5.807201 w = h1-h2s = cp(T1-T2s) = -280.4658 kJ/kg 0.166233 State x: see below
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Unformatted text preview: State 3 1000 1400 q = cp(t3-t2s) = 707.2252 kJ/kg State4s 100 725.1265 w = cp(t3-t4s) = 677.9105 kJ/kg <--- effect of cp(T) State x 695.943 Therefore: cycle efficiency = 0.561978 back-work-ratio = 0.413721 net power = 2308.041 kW...
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