SolHW9ME2320 - 4 11 4 12 4 15 4 24. Given: N2, m= 0.25 kg;...

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4 – 15 4 – 24. Given: N 2 , m= 0.25 kg; P 1 = 130 kPa; T 1 = 120 o C P 2 = 100 kPa; T 2 =T 1 Find : W b Solution: Assume N 2 is an ideal gas kJ W W P P mRT P mRT P mRT mRT W V V mRT V d V mRT V pd W b b b b 65 . 7 100 130 ln ) 393 )( 2968 . 0 )( 25 . 0 ( ln / / ln ln 2 1 1 2 1 2 2 1 2 1 = = = = = = =
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4 – 26 . Given: Water, m= 1 kg; x 1 = 0.10; T 1 = 90 o C P 2 = 800 kPa; T 2 =250 o C Find : W b Solution: The initial specific volume is
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This note was uploaded on 04/07/2008 for the course ME 232 taught by Professor Monefort during the Spring '08 term at Western Michigan.

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SolHW9ME2320 - 4 11 4 12 4 15 4 24. Given: N2, m= 0.25 kg;...

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