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Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN: 9781259696527
Author: J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher: McGraw-Hill Education
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
Transcribed Image Text:1. A steam power plant operates on the Rankine cycle according to the following specifications:
T= 500°C exiting boiler
P = 4 MPa exiting boiler
P = 0.02 MPa exiting turbine
Turbine efficiency = 85%
Pump efficiency 80%
Plant Capacity = 80 MW
Determine the following using steam tables:
Work output of turbine per kilogram of steam (kJ/kg)
b. Work input of the pump per kilogram of water (kJ/kg)
c. Steam flow rate required (kg/s)
d. Heat input required in the boiler
Thermal efficiency
а.
е.
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- 5. A steam power plant operates on the cycle below. Complete the table. -2200.0 kJ/kg Ideal Turbine Work Turbine Efficiency Ideal Pump Work Pump Efficiency 0.75 100.0 kJ/kg 0.80 4000.0 kJ/kg 125 kg/s Boiler Heat Transfer Steam Rate Condenser Heat Transfer Cycle Thermal Efficiency Power Rating (kW)arrow_forward[1] Repeat Example 7.10 (pages 288-289) but with the following exceptions: water is discharged at 9,000 kPa, and n=0.8. Calculate the work of the pump and AT using steam tables and equation 7.25arrow_forward
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