TH10Set09 - mix steam water mix mix steam steam water water...

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Problem Set 9, PS9 due Wednesday June 9 4-106 In an open feed water heater vessel, feed water at 50 C and 800 kPa is heated by superheated steam at 200 C, 800 kPa. The leaving heated water is saturated liquid water at 800 kPa. Determine the ratio of the mass flow rate of the feed water to the flow rate of superheated steam. PS9-1 4-96 Saturated R-143a liquid at 800 kPa is throttled to a pressure of 140 kPa . Determine the temperature drop of this process and the final specific volume. PS9-2
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4-106 () 4.14 m m 209.3 721.1 m m 721.1) (2839.3 721.1 721.1 m m 2839.3 209.3 m m h m ) m (m h m m h m m m m m Balance Mass h m h m h m Balance Energy H E 0 W 0 Q system open kPa @800 h h kJ/kg 209.33 C @50 h h kJ/kg 2839.3 kPa C,800 h@50 h steam water steam water steam water staem water mix steam steam water steam steam steam water staem water
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Unformatted text preview: mix steam water mix mix steam steam water water g mix O f water O stream = = + = + + = + = + = + = = = = = = = = 200 C 800kPa steam 50 C 800kPa water PS8-2 800kPa saturated water ( ) /kg m .0454 v .0007 .1395 .3217 .0007 v v x v v C 50.13 18.8) ( 31.33 T C 18.8 T kPa 140 @ T T mixture .32 x .3217 210.27 25.77 93.42 h h h x kPa 140 @ h h h W 0, Q system open /kg m .1396 v /kg, m .0007381 v 210.27 h kJ/kg, 25.77 h kPa, 140 @ C 31.33 T kJ/kg, 93.42 h liquid, saturated kPa, 800 @ 3 fg f O O 2 sat fg f 2 2 1 3 g 3 f fg f O = + = + = = = = = = = = = = = = = = = = = = = 4-96 PS8-3 800 kPa saturated liquid 140 kPa...
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This note was uploaded on 07/08/2011 for the course MAE 204 taught by Professor Errington during the Summer '08 term at SUNY Buffalo.

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TH10Set09 - mix steam water mix mix steam steam water water...

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