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Unformatted text preview: T 1 = 740 C , with NO INTERPOLATION. For the cycle efficiency: 4 1 3 2 1 1 h h h h m Q m Q in out = = & & & & From the saturated water tables, h 2h 3 =h gh f =h fg =2258 kJ/kg From the superheat tables for T = 740 C and p = 8 MPa, h 1 = 3978.7 kJ/kg. h 4 could be obtained by interpolation from the compressed liquid tables. It is easier to use the results of section 6.9 regarding internally reversible steadystate flow work. kg kJ kg kJ kg kJ p p v h vdp h m W h h cv / 7 . 425 / 2 . 7 / 46 . 417 ) ( 3 4 3 3 4 3 3 3 4 = + = + + = + = & & Since liquid water is nearly incompressible it is ok to assume v = constant for integration. Substitution for the efficiency gives = 36.4%...
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This note was uploaded on 03/15/2010 for the course ENGRD 221 taught by Professor Staff during the Fall '08 term at Cornell University (Engineering School).
 Fall '08
 STAFF

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