In a Rankine cycle, 9.1 kg/min of steam enters the turbine at 2.5 MPa saturated and leaves at 50 kPa. If the pump and turbine efficiency i s72.7% and 80.8% respectively. @2.5 MPa hf = 962.11 kJ/kg sf = 2.5547 kJ/kg hg = 2803.1 kJ/kg sg = 6.2575 kJ/kg-k @50 kPa sf = 1.0910 kJ/kgK hf = 340.49 vf = 1.03 L/kg sfg = 6.5029 kJ/kg-k hfg = 2305.4   Find the following:

Elements Of Electromagnetics
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In a Rankine cycle, 9.1 kg/min of steam enters the turbine at 2.5 MPa saturated and leaves at 50 kPa. If the pump and turbine efficiency i s72.7% and 80.8% respectively.

@2.5 MPa

hf = 962.11 kJ/kg

sf = 2.5547 kJ/kg

hg = 2803.1 kJ/kg

sg = 6.2575 kJ/kg-k

@50 kPa

sf = 1.0910 kJ/kgK

hf = 340.49

vf = 1.03 L/kg

sfg = 6.5029 kJ/kg-k

hfg = 2305.4

 

Find the following:

a.) Net work of the actual cycle in kJ/hr

 

PS. Input your answers in 5 decimal places. Show your unit analysis.

 

SUBJECT: Thermodynamics 2

 

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