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A steam Rankine cycle operates with 100 psia saturated steam that is...
Consider a steam power plant that operates on a reheat Rankine cycle and has a net...
Consider a steam power plant that operates on a reheat Rankine cycle and has a net power output of 80 MW. Steam enters the high-pressure turbine at 10 MPa and 550°C and the low-pressure turbine at 1 MPa and 550°C. Steam leaves the condenser as a saturated liquid at a pressure of 10 kPa. The isentropic efficiency of the turbine is 80 percent, and that of the pump is 95 percent. Show the cycle on a T-s diagram with respect...
A steam plant operates on a reheat Rankine cycle and has a net power output of...
A steam plant operates on a reheat Rankine cycle and has a net power output of 80MW. Steam enters the high pressure turbine at 10 MPa and 500 °C and the low pressure turbine at 1 MPa and 500 °C. Steam leaves the condenser as a saturated liquid at a pressure of 10kPa. The efficiency of the turbine is 80% and the efficiency of the pump is 95%. Determine the thermal efficiency of the cycle. Rankine Cycle with Reheat
1. A combined gas-steam power cycle uses a single gas turbine cycle for the air cycle...
1. A combined gas-steam power cycle uses a single gas turbine
cycle for the air cycle and a simple Rankine cycle for the water
vapor cycle. Atmospheric air enters the compressor at a rate of
88.2 lbm / s, at 14.7 psia and 59 ° F, and the maximum gas cycle
temperature is 1,742 ° F. The pressure ratio in the compressor is
7. The isentropic efficiency of both the compressor and the turbine
is 80%. Gas exits the heat...
Consider a steam power plant which operates on the simple ideal Rankine cycle (shown in the...
Consider a steam power plant which operates on the simple ideal
Rankine cycle (shown in the next page), where the boiler pressure
is 3 MPa and the condenser saturation temperature is 50°C. The
temperature at the exit of the boiler is 500°C. Water leaves the
condenser as a saturated liquid. The mass flow rate through each
component is 15 kg/s. Calculate:
1. The power output of the steam power plant
2. The thermal efficiency of the steam power plant
Now,...
Consider a 210-MW steam power plant that operates on a simple ideal Rankine cycle. Steam enters...
Consider a 210-MW steam power plant that operates on a simple ideal Rankine cycle. Steam enters the turbine at 10 MPa and 500°C and is cooled in the condenser at a pressure of 10 kPa. Assume an isentropic efficiency of 85 percent for both the turbine and the pump. (a) the quality of the steam at the turbine exit (b) the thermal efficiency of the cycle (c) the mass flow rate of the steam.
Consider a steam power plant that operates on a reheat Rankine cycle and has a net...
Consider a steam power plant that operates on a reheat Rankine cycle and has a net power output of 80 MW. Steam enters the high-pressure turbine at 10 MPa and 500°C and the low-pressure turbine at 1 MPa and 500°C. Steam leaves the condenser as a saturated liquid at a pressure of 10 kPa. The isentropic efficiency of the turbine is 74 percent and that of the pump is 95 percent. Determine the quality (or temperature, if superheated) of the...
A steam power plant operates on the Rankine cycle modified to include superheat. The steam leaves...
A steam power plant operates on the Rankine cycle modified to include superheat. The steam leaves the superheater at a pressure of 40 bar and a temperature of 500oC. After expansion in the turbine, which has an isentropic efficiency of 82%, the steam exhausts into the condenser at a pressure of 0.2 bar. Neglecting feed pump work calculate :- 1. The Thermal Efficiency of the plant. 2. The specific steam consumption. 3. The required mass flow rate of steam if...
Problem 2. (11 points) The ideal simple Rankine operates at a pressure of 100 kPa in...
Problem 2. (11 points) The ideal simple Rankine operates at a pressure of 100 kPa in the condenser and at a pressure of 4.5 MPa in the evaporator. The liquid leaving the condenser is a saturated mixture with quality x-0.8. The mass flow rate of steam in the cycle is 1.5 kg/s. Plot the cycle on power-generation cycle using steam (a) T-s diagram for steam; and determine (b) What is the maximum temperature (°C) of this Rankine cycle (c) the...
. A steam power plant that operates on Rankine cycle has a net power output of...
. A steam power plant that operates on Rankine cycle has a net power output of 45 MW. Steam enters the turbine at 7 MPa and 500o C and is cooled in the condenser at a pressure of 10 kPa by running cooling water from a sea through the tubes of the condenser at rate of 2000 kg/s. Show the cycle on T‐s diagram with respect to saturation line, and determine (a) the thermal efficiency of the cycle, (b) the...
Consider a power plant with water as working fluid that operates on a reheat Rankine cycle...
Consider a power plant with water as working fluid that operates on a reheat Rankine cycle and has a net power output of 75 MW. Steam enters the high-pressure turbine at 10 MPa and 400°C and the low-pressure turbine at 1 MPa and 400°C. Water leaves the condenser as a saturated liquid at a pressure of 100 kPa. The isentropic efficiency of the high-pressure turbine is 85% and the low-pressure turbine in 100%. The pump has an isentropic efficiency of...
A steam plant operates on a reheat Rankine cycle and has a net power output of 80MW. Steam enters the high pressure turbine at 10 MPa and 500 °C and the low pressure turbine at 1 MPa and 500 °C. Steam leaves the condenser as a saturated liquid at a pressure of 10kPa. The efficiency of the turbine is 80% and the efficiency of the pump is 95%. Determine the thermal efficiency of the cycle. Rankine Cycle with Reheat
1. A combined gas-steam power cycle uses a single gas turbine
cycle for the air cycle and a simple Rankine cycle for the water
vapor cycle. Atmospheric air enters the compressor at a rate of
88.2 lbm / s, at 14.7 psia and 59 ° F, and the maximum gas cycle
temperature is 1,742 ° F. The pressure ratio in the compressor is
7. The isentropic efficiency of both the compressor and the turbine
is 80%. Gas exits the heat...
Consider a steam power plant which operates on the simple ideal
Rankine cycle (shown in the next page), where the boiler pressure
is 3 MPa and the condenser saturation temperature is 50°C. The
temperature at the exit of the boiler is 500°C. Water leaves the
condenser as a saturated liquid. The mass flow rate through each
component is 15 kg/s. Calculate:
1. The power output of the steam power plant
2. The thermal efficiency of the steam power plant
Now,...
Problem 2. (11 points) The ideal simple Rankine operates at a pressure of 100 kPa in the condenser and at a pressure of 4.5 MPa in the evaporator. The liquid leaving the condenser is a saturated mixture with quality x-0.8. The mass flow rate of steam in the cycle is 1.5 kg/s. Plot the cycle on power-generation cycle using steam (a) T-s diagram for steam; and determine (b) What is the maximum temperature (°C) of this Rankine cycle (c) the...
Consider a power plant with water as working fluid that operates on a reheat Rankine cycle and has a net power output of 75 MW. Steam enters the high-pressure turbine at 10 MPa and 400°C and the low-pressure turbine at 1 MPa and 400°C. Water leaves the condenser as a saturated liquid at a pressure of 100 kPa. The isentropic efficiency of the high-pressure turbine is 85% and the low-pressure turbine in 100%. The pump has an isentropic efficiency of...
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