. A reheat steam cycle has 13.65 MPa pressure at the high pressure turbine inlet and a 2500 kPa reheat pressure, the temperature at the inlet of the high pressure turbine and reheat temperature of the steam is 540 °C, condenser pressure is 3.4 kPa, engine efficiency of high pressure and low pressure turbine are both 75 %. Sketch the cycle lay out and cycle T-s diagram. a. Find the enthalpy at each state point. (Summarize) b. Find the actual enthalpy at the exit of the high-pressure turbine and low-pressure turbine. c. Find the cycle thermal efficiency d. If the net power at the turbine is 100 MW find the mass flow rate of steam, in kg/s; Heat reiected by the condenser in MW
. A reheat steam cycle has 13.65 MPa pressure at the high pressure turbine inlet and a 2500 kPa reheat pressure, the temperature at the inlet of the high pressure turbine and reheat temperature of the steam is 540 °C, condenser pressure is 3.4 kPa, engine efficiency of high pressure and low pressure turbine are both 75 %. Sketch the cycle lay out and cycle T-s diagram. a. Find the enthalpy at each state point. (Summarize) b. Find the actual enthalpy at the exit of the high-pressure turbine and low-pressure turbine. c. Find the cycle thermal efficiency d. If the net power at the turbine is 100 MW find the mass flow rate of steam, in kg/s; Heat reiected by the condenser in MW
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 reheat steam cycle has 13.65 MPa pressure at the high pressure turbine inlet and a 2500 kPa
reheat pressure, the temperature at the inlet of the high pressure turbine and reheat
temperature of the steam is 540 °C, condenser pressure is 3.4 kPa, engine efficiency of high
pressure and low pressure turbine are both 75 %. Sketch the cycle lay out and cycle T-s diagram.
a. Find the enthalpy at each state point. (Summarize)
b. Find the actual enthalpy at the exit of the high-pressure turbine and low-pressure turbine.
Find the cycle thermal efficiency
С.
d. If the net power at the turbine is 100 MW find the mass flow rate of steam, in kg/s;
Heat rejected by the condenser, in MW
е.
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