Thermodynamics filled in class notes_Part_15

Thermodynamics filled in class notes_Part_15 - 2.3. RANKINE...

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Unformatted text preview: 2.3. RANKINE 37 Now get the turbine work w t = h 5 − h 6 + parenleftbigg 1 − ˙ m 6 ˙ m 5 parenrightbigg ( h 6 − h 7 ) , (2.179) = parenleftbigg 3213 . 6 kJ kg parenrightbigg − parenleftbigg 2685 . 6 kJ kg parenrightbigg + (1 − . 165451) parenleftbiggparenleftbigg 2685 . 6 kJ kg parenrightbigg − parenleftbigg 2144 . 1 kJ kg parenrightbiggparenrightbigg , (2.180) = 979 . 908 kJ kg . (2.181) Now get the work for the high-pressure pump w P 2 = v 3 ( P 3 − P 4 ) , (2.182) = parenleftbigg . 001084 m 3 kg parenrightbigg ((400 kPa ) − (4000 kPa )) , (2.183) = − 3 . 9024 kJ kg . (2.184) Now h 4 = h 3 + v 3 ( P 4 − P 3 ) , (2.185) = parenleftbigg 604 . 73 kJ kg parenrightbigg + parenleftbigg . 001084 m 3 kg parenrightbigg ((4000 kPa ) − (400 kPa )) , (2.186) = 608 . 6 kJ kg . (2.187) Now get the net work ˙ W net = ˙ m 5 w t + ˙ m 1 w P 1 + ˙ m 5 w P 2 , (2.188) w net = w t + ˙ m 1 ˙ m 5 w P 1 + w P 2 , (2.189) = w t + ˙ m 7 ˙ m 5 w P 1 + w P 2 , (2.190) = w t + parenleftbigg...
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This note was uploaded on 11/26/2011 for the course EGN 3381 taught by Professor Park-sou during the Fall '11 term at FSU.

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Thermodynamics filled in class notes_Part_15 - 2.3. RANKINE...

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