A steam power plant operates under a regenerative Rankine cycle. Steam at 20 MPa and 600oC enters the turbine and exhausts to a condenser pressure of 25 kPa. Some portion of the steam is extracted at 1 MPa and utilized for feedwater heating. The feedwater leaves the open heater as a saturated liquid at extraction pressure. For a boiler feed water flow rate of 150 kg/s, calculate (a) the mass flow rate of bleed steam, in kg/hr, (b) turbine power output, in MW, (c) the required power input to the pump, in kW, and (d) the plant thermal efficiency
A steam power plant operates under a regenerative Rankine cycle. Steam at 20 MPa and 600oC enters the turbine and exhausts to a condenser pressure of 25 kPa. Some portion of the steam is extracted at 1 MPa and utilized for feedwater heating. The feedwater leaves the open heater as a saturated liquid at extraction pressure. For a boiler feed water flow rate of 150 kg/s, calculate (a) the mass flow rate of bleed steam, in kg/hr, (b) turbine power output, in MW, (c) the required power input to the pump, in kW, and (d) the plant thermal efficiency
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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A steam power plant operates under a regenerative Rankine cycle. Steam at 20 MPa and 600oC enters the turbine and exhausts to a condenser pressure of 25 kPa. Some portion of the steam is extracted at 1 MPa and utilized for feedwater heating. The feedwater leaves the open heater as a saturated liquid at extraction pressure. For a boiler feed water flow rate of 150 kg/s, calculate (a) the mass flow rate of bleed steam, in kg/hr, (b) turbine power output, in MW, (c) the required power input to the pump, in kW, and (d) the plant thermal efficiency.
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