The figure below shows a vapor power cycle that provides process heat and produces power. The steam generator produces vapor at 500 lbf/in.2, 800°F, at a rate of 8 x 105 lb/h. Fifty-two percent of the steam expands through the turbine to 10 lbf/in.² and the remainder is directed to the heat exchanger. Saturated liquid exits the heat exchanger at 500 lbf/in.² and passes through a trap before entering the condenser at 10 lbf/in.² Saturated liquid exits the condenser at 10 lbf/in.² and is pumped to 500 lbf/in.² before entering the steam generator. The turbine and pump have isentropic efficiencies of 85% and 89%, respectively. For the process heat exchanger, assume the temperature at which heat transfer occurs is 465°F. Let To = 60°F, po = 14.7 lbf/in.²
The figure below shows a vapor power cycle that provides process heat and produces power. The steam generator produces vapor at 500 lbf/in.2, 800°F, at a rate of 8 x 105 lb/h. Fifty-two percent of the steam expands through the turbine to 10 lbf/in.² and the remainder is directed to the heat exchanger. Saturated liquid exits the heat exchanger at 500 lbf/in.² and passes through a trap before entering the condenser at 10 lbf/in.² Saturated liquid exits the condenser at 10 lbf/in.² and is pumped to 500 lbf/in.² before entering the steam generator. The turbine and pump have isentropic efficiencies of 85% and 89%, respectively. For the process heat exchanger, assume the temperature at which heat transfer occurs is 465°F. Let To = 60°F, po = 14.7 lbf/in.²
Elements Of Electromagnetics
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Heat Exchanger
The heat exchanger is a combination of two words ''Heat'' and ''Exchanger''. It is a mechanical device that is used to exchange heat energy between two fluids.
Question
Determine the sum of the rate of exergy destruction, in Btu/h, in the turbine, process heat exchanger, trap, and pump.
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![The figure below shows a vapor power cycle that provides process heat and produces power. The steam generator produces vapor at
500 lbf/in.2, 800°F, at a rate of 8 x 105 lb/h. Fifty-two percent of the steam expands through the turbine to 10 lbf/in.² and the
remainder is directed to the heat exchanger. Saturated liquid exits the heat exchanger at 500 lbf/in.² and passes through a trap before
entering the condenser at 10 lbf/in.²
Saturated liquid exits the condenser at 10 lbf/in.² and is pumped to 500 lbf/in.² before entering the steam generator. The turbine and
pump have isentropic efficiencies of 85% and 89%, respectively. For the process heat exchanger, assume the temperature at which
heat transfer occurs is 465°F. Let To = 60°F, po = 14.7 lbf/in.²
in
Steam
generator
Pi=500 lbf/in.²
T₁ = 800°F
m₁
Heat
exchanger
(y)
1 (1-y)
7=85%
process
P4= 500 lbf/in.²
saturated liquid
Turbine
W₁
P2=10 lbf/in.2
-2](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F026a34f2-d0be-40cf-aa0d-f924baa1f98b%2Feb15284d-36dc-44c6-b430-8ef13b120aec%2F59vwejg_processed.jpeg&w=3840&q=75)
Transcribed Image Text:The figure below shows a vapor power cycle that provides process heat and produces power. The steam generator produces vapor at
500 lbf/in.2, 800°F, at a rate of 8 x 105 lb/h. Fifty-two percent of the steam expands through the turbine to 10 lbf/in.² and the
remainder is directed to the heat exchanger. Saturated liquid exits the heat exchanger at 500 lbf/in.² and passes through a trap before
entering the condenser at 10 lbf/in.²
Saturated liquid exits the condenser at 10 lbf/in.² and is pumped to 500 lbf/in.² before entering the steam generator. The turbine and
pump have isentropic efficiencies of 85% and 89%, respectively. For the process heat exchanger, assume the temperature at which
heat transfer occurs is 465°F. Let To = 60°F, po = 14.7 lbf/in.²
in
Steam
generator
Pi=500 lbf/in.²
T₁ = 800°F
m₁
Heat
exchanger
(y)
1 (1-y)
7=85%
process
P4= 500 lbf/in.²
saturated liquid
Turbine
W₁
P2=10 lbf/in.2
-2
![Oin
Steam
generator
+6
P1= 500 lbf/in.²
T₁=800°F
7p = 89%
Pump
m₁
Heat
exchanger
(y)
1
(1-y)
7=85%
process
P4= 500 lbf/in.2
saturated liquid
P3= 10 lbf/in.2
saturated liquid
Turbine W,
P2= 10 lbf/in,2
-2
Condenser
Lout](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F026a34f2-d0be-40cf-aa0d-f924baa1f98b%2Feb15284d-36dc-44c6-b430-8ef13b120aec%2Fjk9crq_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Oin
Steam
generator
+6
P1= 500 lbf/in.²
T₁=800°F
7p = 89%
Pump
m₁
Heat
exchanger
(y)
1
(1-y)
7=85%
process
P4= 500 lbf/in.2
saturated liquid
P3= 10 lbf/in.2
saturated liquid
Turbine W,
P2= 10 lbf/in,2
-2
Condenser
Lout
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