Below is a schematic diagram of a simple steam power plant.Steam is heated inside an isobaric boiler and enters the turbine at 1 MPa and 300⁰C. It exits the turbine at 500 kPa, saturated vapor. The steam is then cooled down to saturated liquid at 500 kPa by cooling water flowing in at 35 ⁰C and out at 85 ⁰C of the condenser. The needed power of the pump is 11.071 MW. The steam is pumped into a throttling device back to the boiler.The mass flow rate of steam circulating the condenser is 100 kg/s. Determine the following: a. Turbine work in MW

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Below is a schematic diagram of a simple steam power plant.Steam is heated inside an isobaric boiler and enters the turbine at 1 MPa and 300⁰C. It exits the turbine at 500 kPa, saturated vapor. The steam is then cooled down to saturated liquid at 500 kPa by cooling water flowing in at 35 ⁰C and out at 85 ⁰C of the condenser. The needed power of the pump is 11.071 MW. The steam is pumped into a throttling device back to the boiler.The mass flow rate of steam circulating the condenser is 100 kg/s. Determine the following:

a. Turbine work in MW
b. Heat rejected from the condenser in MW
c. Mass flow rate of cooling water in kg/s
d. Inlet boiler temperature in ⁰C
e. Heat added in the boiler in MW

 

 

Qboiler
Isobaric Boiler
P1= 1MPA
T1= 300°C
Wpump=11.071 Mw
Wturbine
Condenser
3
P2= 500 kPa
P2= 500 kPa
Saturated
Saturated
Liquid
Vapor
T2,cw = 85°C
T1,cw = 35°C
Qcondenser
m2 =100 kg/s
Turbine
2.
5.
EPump
Transcribed Image Text:Qboiler Isobaric Boiler P1= 1MPA T1= 300°C Wpump=11.071 Mw Wturbine Condenser 3 P2= 500 kPa P2= 500 kPa Saturated Saturated Liquid Vapor T2,cw = 85°C T1,cw = 35°C Qcondenser m2 =100 kg/s Turbine 2. 5. EPump
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