Water is the working fluid in an ideal Rankine cycle. The condenser pressure is 8 kPa, and saturated vapor enters the turbine at (a) 18 MPa and (b) 4 MPa. The net power output of the cycle is 100 MW. Determine for each case the mass flow rate of steam, in kg/h, the heat transfer rates for the working fluid passing through the boiler and condenser, each in kW, and the thermal efficiency

Water is the working fluid in an ideal Rankine cycle. The condenser pressure is 8 kPa, and saturated vapor enters the turbine at (a) 18 MPa and (b) 4 MPa. The net power output of the cycle is 100 MW. Determine for each case the mass flow rate of steam, in kg/h, the heat transfer rates for the working fluid passing through the boiler and condenser, each in kW, and the thermal efficiency

Refrigeration and Air Conditioning Technology (MindTap Course List)

8th Edition

ISBN:9781305578296

Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Chapter22: Condensers

Section: Chapter Questions

Problem 7RQ: When a standard-efficiency air-cooled condenser is used, the condensing refrigerant will normally be...

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Water is the working fluid in an ideal Rankine cycle. Superheated vapor enters the turbine at 8 MPa, 480oC. The condenser pressure is 8 kPa. The net power output of the cycle is 100 MW. Draw and label the schematic diagram and the pV and TS planes. Determine for the cycle (a) the rate of heat transfer to the working fluid passing through the steam generator, in kW. (b) the thermal efficiency. (c) the mass flow rate of condenser cooling water, in kg/h, if the cooling water enters the condenser at 15 degrees celcius and exits at 35 degrees celcius with negligible pressure change
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Steam enters the high-pressure turbine at 15,000 kPa and 873 K in a 15,000-kWsteam power plant that operates on an ideal reheat Rankine cycle. If the condenserpressure is at 10 kPa and the moisture content is 10.4% at the exit of the low-pressureturbine at 4 MPa, determine the cycle thermal efficiency, the specific steamconsumption, and the pump work in kW if the steam is to be reheated to the initialtemperature. Show Ts and PV diagrams
Water is the working fluid in an ideal Rankine cycle. Su-perheated vapor enters the turbine at 8 MPa, 480C. The con-denser pressure is 8 kPa. The net power output of the cycle is100 MW. Determine for the cycle(a) the rate of heat transfer to the working fluid passingthrough the steam generator, in kW.(b) the thermal efficiency.(c) the mass flow rate of condenser cooling water, in kg/h, ifthe cooling water enters the condenser at 15C and exitsat 35C with negligible pressure change.
PLEASE ANSWER ALL AND SHOW COMPLETE SOLUTION. 1. Steam is the working fluid in an ideal Rankine cycle. The saturated vapor enters the turbine at 8.0 MPa and saturated liquid exits the condenser at a pressure of 0.008 MPa. The net power output of the cycle is 100 MW. Determine for the cycle (a) the thermal efficiency, (b) the mass flow rate of the steam, in kg/h, (c) the rate of heat transfer, into the working fluid as it passes through the boiler, in MW, (d) the rate of heat transfer, from the condensing steam as it passes through the condenser, in MW, (e) the mass flow rate of the condenser cooling water, in kg/ h, if cooling water enters the condenser at 15 DEGREE CELCIUS and exits at 35 DEGREE CELCIUS.
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