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7 marks) gh-pressureturhneing on the ideal reheat Rankine cycle. Steam enters If the moisture content of...
Example: Consider a steam power plant operating on the ideal reheat Rankine cycle. Steam enters the...
Example: Consider a steam power plant operating on the ideal reheat Rankine cycle. Steam enters the high-pressure turbine at 15 MPa and 600 °C and is condensed in the condenser at a pressure of 10 kPa. If the moisture content of the steam at the exit of the low-pressure turbine is not to exceed 10.4 percent, determine (a) the pressure at which the steam should be reheated and (b) the thermal efficiency of the cycle. Assume the steam is reheated...
Steam power plant using the reheat Rankine cycle
A steam power plant operates using the reheat Rankine cycle. Steam enters the high pressure turbine at 12.5 MPa and 550ºC at a rate of 7.7 kg/s and leaves at 2MPa. Steam is then reheated at a constant pressure to 450ºC before it expands in the low pressure turbine. The isentropic efficiencies of the turbine and the pumpare 85% and 90%, respectively. Steam leaves the condenser as a saturated liquid. If the moisture content of the steam at the exit...
Consider an ideal Rankine cycle with reheat based on water as the working fluid. The steam...
Consider an ideal Rankine cycle with reheat based on water as the working fluid. The steam at the high-pressure turbine inlet is at 10 MPa and 700 K and it is saturated steam at the outlet The steam is reheated to 675 K before it enters the low pressure turbine. The pressure is reduced to where the steam is let down to 150 kPa The mass flow rate is 60 kg/s, 1. Draw the T-s diagram; [5 2. State all...
A steam power plant operates on an ideal Rankine cycle with two stages of reheat and...
A steam power plant operates on an ideal Rankine cycle with two stages of reheat and has a net power output of 80 MW. Steam enters all three stages of the turbine at 600 oC. The maximum pressure in the cycle is 10 MPa, and the minimum pressure is 20 kPa. Steam is reheated at 4 MPa the first time and at 2 MPa the second time. Show the cycle on a T-s diagram with respect to saturation lines, an...
A steam power plant operates on an ideal Rankine cycle with two stages of reheat and...
A steam power plant operates on an ideal Rankine cycle with two stages of reheat and has a net power output of124.5 MW. Steam maximum pressure in the cycle is15 MPa, and the minimum pressure is 5 kPa. Steam is reheated at 5 MPa the first time and at 1 MPa the second time. Determine (a) the thermal efficiency of the cycle enters all three stages of the turbine at 500C. The 0/o and (b) the mass flow rate of...
Question 3 [30 marks] A reheat Rankine cycle is designed for a steam power plant. Steam...
Question 3 [30 marks] A reheat Rankine cycle is designed for a steam power plant. Steam enters both the high- and low- pressure turbines at 600oC. The maximum and minimum pressures of the cycle are 20 MPa and 20 kPa, respectively. Steam leaves the condenser as a saturated liquid. The moisture content of the steam at the exit of the low-pressure turbine is 4% if the actual expansion process is adiabatic; 8.5% if the ideal expansion process is isentropic. The...
A steam power plant operates on the reheat Rankine cycle. Steam enters the high-pressure turbine at...
A steam power plant operates on the reheat Rankine cycle. Steam enters the high-pressure turbine at 12.5 MPa and 5508C at a rate of 7.7 kg/s and leaves at 2 MPa. Steam is then reheated at constant pressure to 400 C before it expands in the low-pressure turbine. Steam leaves the condenser as a saturated liquid. The exit of the turbine is saturated at the condenser pressure (a) the condenser pressure, (b) the net power output, and (c) the thermal...
a) A steam power plant operates on an ideal reheat-regenerative Rankine cycle. Steam enters the high-pressure...
a) A steam power plant operates on an ideal reheat-regenerative Rankine cycle. Steam enters the high-pressure turbine (HPT) at a pressure of 10 MPa and temperature of 550°C. The steam expands through the HPT stage to a pressure of 0.6 MPa. Some of the steam at the end of the expansion process in HPT is extracted for a regeneration process in a closed-type feedwater heater. The steam leaves the heater as a saturated liquid and then is throttled to the...
Steam enters high-pressure turbine of a steam power plant that operates on ideal reheat Rankine cycle...
Steam enters high-pressure turbine of a steam power plant that operates on ideal reheat Rankine cycle at pressure and temperature of 5.5 MPa and 500°C, respectively. The steam leaves the high-pressure turbine as saturated vapor. The steam is then reheated to temperature of 400°C before it expands to a pressure of 7.5 kPa. Answer the following. i) Show the cycle on a T-s diagram with respect to saturation lines. ii) Determine the pressure at which reheating takes place. iii) Determine...
2. In an ideal reheat Rankine cycle, steam enters the first-stage turbine at 20 MPa, 550°...
2. In an ideal reheat Rankine cycle, steam enters the first-stage turbine at 20 MPa, 550° C. The steam exits the first-stage turbine at 4 MPa and is reheated to 500 9 C at constant pressure. What is the heat input in kJ/kg required for reheating? Answer: 498 kJ/kg
Example: Consider a steam power plant operating on the ideal reheat Rankine cycle. Steam enters the high-pressure turbine at 15 MPa and 600 °C and is condensed in the condenser at a pressure of 10 kPa. If the moisture content of the steam at the exit of the low-pressure turbine is not to exceed 10.4 percent, determine (a) the pressure at which the steam should be reheated and (b) the thermal efficiency of the cycle. Assume the steam is reheated...
Consider an ideal Rankine cycle with reheat based on water as the working fluid. The steam at the high-pressure turbine inlet is at 10 MPa and 700 K and it is saturated steam at the outlet The steam is reheated to 675 K before it enters the low pressure turbine. The pressure is reduced to where the steam is let down to 150 kPa The mass flow rate is 60 kg/s, 1. Draw the T-s diagram; [5 2. State all...
A steam power plant operates on an ideal Rankine cycle with two stages of reheat and has a net power output of124.5 MW. Steam maximum pressure in the cycle is15 MPa, and the minimum pressure is 5 kPa. Steam is reheated at 5 MPa the first time and at 1 MPa the second time. Determine (a) the thermal efficiency of the cycle enters all three stages of the turbine at 500C. The 0/o and (b) the mass flow rate of...
a) A steam power plant operates on an ideal reheat-regenerative Rankine cycle. Steam enters the high-pressure turbine (HPT) at a pressure of 10 MPa and temperature of 550°C. The steam expands through the HPT stage to a pressure of 0.6 MPa. Some of the steam at the end of the expansion process in HPT is extracted for a regeneration process in a closed-type feedwater heater. The steam leaves the heater as a saturated liquid and then is throttled to the...
2. In an ideal reheat Rankine cycle, steam enters the first-stage turbine at 20 MPa, 550° C. The steam exits the first-stage turbine at 4 MPa and is reheated to 500 9 C at constant pressure. What is the heat input in kJ/kg required for reheating? Answer: 498 kJ/kg
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