1. 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 0C, 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; e. Heat rejected by the condenser, in MW
1. 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 0C, 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; e. Heat rejected 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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1. 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 0C, 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;
e. Heat rejected by the condenser, in MW
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