Ex9_6 - State 3 1000 1400 q = cp(t3-t2s) = 754.3678 kJ/kg...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
Example 9.6 cold air standard Modified from Ex. 9.4 , main changes in red Parameters (SI units) R k p1 T1 A.V p2/p1 T3 eta_s 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 actual work -350.5822 State 2 1000 649.0116
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: State 3 1000 1400 q = cp(t3-t2s) = 754.3678 kJ/kg State4s 100 725.1265 w = cp(t3-t4s) = 677.9105 kJ/kg <--- effect of cp(T) actual work 542.3284 State 4 100 860.1012 Therefore: cycle efficiency = 0.254181 back-work-ratio = 0.646439 net power = 1113.509 kW...
View Full Document

Ask a homework question - tutors are online