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Problem 2 (33 points) Water is the working fluid in an ideal Rankine cyele. Superheated vapor...
Water is the working fluid in an ideal Rankine cycle with reheat. Superheated vapor enters...
Water is the working fluid in an ideal Rankine cycle with reheat. Superheated vapor enters the turbine at 8 MPa, 480℃, and the condenser pressure is 8 kPa. Steam expands through the first stage turbine to 700 kPa and then is reheated to 480℃. Assumptions: see problem 1 . Determine for the cycle(a) the rate of heat addition, in kJ per kg to the working fluid in the steam generator.(b) the thermal efficiency.(c) the rate of heat transfer from the...
Tutorial Questions 1 1. Water is the working fluid in an ideal Rankine cycle. The condenser...
Tutorial Questions 1.1. Water is the working fluid in an ideal Rankine cycle. The condenser pressure is kPa, and saturated vapor enters the turbine at 10 MPa. Determine the heat transfer rates, in kJ per kg of steam flowing, for the working fluid passing through the boiler and condenser and calculate the thermal efficiency.2. Water is the working fluid in an ideal Rankine cycle. Saturated vapor enters the turbine at 16 MPa, and the condenser pressure is 8 kPa ....
Problem 8.021 SI Water is the working fluid in a Rankine cycle with reheat. Superheated vapor...
Problem 8.021 SI Water is the working fluid in a Rankine cycle with reheat. Superheated vapor enters the turbine at 10 MPa, 520°C, and the condenser pressure is 6 kPa. Steam expands through the first-stage turbine to 0.7 MPa and then is reheated to 520°C. The pump and each turbine stage have an isentropic efficiency of 80%. Determine for the cycle: (a) the heat addition, in kJ per kg of steam entering the first-stage turbine. (b) the percent thermal efficiency....
Water is the working fluid in a Rankine cycle. Superheated vapor enters the turbine at 10...
Water is the working fluid in a Rankine cycle. Superheated vapor enters the turbine at 10 Mpa, 560 C with a mass flow rate of 7.8kg/s and exits at 8 kPa. Saturated liquid enters the pump at 8 kPa. The isentropic turbine efficiency is 85%, and the isentropic pump efficiency is 85%. Cooling water enters the adiabatic condenser at 18 C and exits at 36 C with no significant change in pressure and assuming the specific heat of the cooling...
Water is the working fluid in an ideal regenerative Rankine cycle with one closed feedwater heater....
Water is the working fluid in an ideal regenerative Rankine cycle with one closed feedwater heater. Superheated vapor enters the turbine at 12 MPa, 480°C, and the condenser pressure is 6 kPa. Steam expands through the first-stage turbine where some is extracted and diverted to a closed feedwater heater at 0.7 MPa. Condensate drains from the feedwater heater as saturated liquid at 0.7 MPa and is trapped into the condenser. The feedwater leaves the heater at 10 MPa and a...
Problem 1. (40) Water is the working fluid in an ideal Rankine cycle with reheat. Superheated...
Problem 1. (40) Water is the working fluid in an ideal Rankine cycle with reheat. Superheated vapor enters the turbine at 12 MPa, 480 °C and the pressure at the exit of the second stage turbine is 8 kPa. Steam expands through the first stage turbine to 1 MPa and then is reheated to 440 °C. Saturated liquid water leaves the condenser. After the pump, pressure goes back to 12 MPa. Find: (1) Sketch the process on a T-s diagram...
6. Water is the working fluid in an ideal Rankine cycle. Saturated vapor enters the turbine...
6. Water is the working fluid in an ideal Rankine cycle. Saturated vapor enters the turbine at 16 MPa, and the condenser pressure is 8 kPa. The mass flow rate of steam entering the turbine is 120 kg/s. Determine: (a) Draw the ideal Rankine cycle in T-S diagram (b) The net power developed, in kW. (b) The rate of heat transfer to the steam passing through the boiler, in kW. (c) The thermal efficiency. 2 P (kPa) 16000 16000 TC)...
Water is the working fluid in an ideal Rankine cycle with reheat. Superheated vapor enters the...
Water is the working fluid in an ideal Rankine cycle with reheat. Superheated vapor enters the turbine at 12 MPa, 480 °C and the pressure at the exit of the second stage turbine is 8 kPa. Steam expands through the first stage turbine to 1 MPa and then is reheated to 440 °C. Saturated liquid water leaves the condenser. After the pump, pressure goes back to 12 MPa. Find: (1) Sketch the process on a T-s diagram and justify the location...
(15 pts.) In an ideal Rankine cycle that uses water as the working fluid. Superheated steam...
(15 pts.) In an ideal Rankine cycle that uses water as the working fluid. Superheated steam exits the boiler at 4 MPa and 600°C with a mass flow rate of 8 kg/s. The steam leaves the turbine at a pressure of 100 kPa. (a) Sketch the cycle on a T-s diagram (6) Determine the power output of the turbine (c) Determine the rate of heat loss from the condenser (d) The required pump power (e) The rate of heat addition...
Water is the working fluid in a Rankine cycle. Superheated vapor enters the turbine at 8...
Water is the working fluid in a Rankine cycle. Superheated vapor enters the turbine at 8 MPa, 700°C and the turbine exit pressure is 8 kPa. Saturated liquid enters the pump at 8 kPa. The heat transfer rate to the working fluid in the steam generator is 24 MW. The isentropic turbine efficiency is 88%, and the isentropic pump efficiency is 82%. Cooling water enters the condenser at 18°C and exits at 36°C with no significant change in pressure. Determine...
Problem 1. (40) Water is the working fluid in an ideal Rankine cycle with reheat. Superheated vapor enters the turbine at 12 MPa, 480 °C and the pressure at the exit of the second stage turbine is 8 kPa. Steam expands through the first stage turbine to 1 MPa and then is reheated to 440 °C. Saturated liquid water leaves the condenser. After the pump, pressure goes back to 12 MPa. Find: (1) Sketch the process on a T-s diagram...
6. Water is the working fluid in an ideal Rankine cycle. Saturated vapor enters the turbine at 16 MPa, and the condenser pressure is 8 kPa. The mass flow rate of steam entering the turbine is 120 kg/s. Determine: (a) Draw the ideal Rankine cycle in T-S diagram (b) The net power developed, in kW. (b) The rate of heat transfer to the steam passing through the boiler, in kW. (c) The thermal efficiency. 2 P (kPa) 16000 16000 TC)...
Water is the working fluid in an ideal Rankine cycle with reheat. Superheated vapor enters the turbine at 12 MPa, 480 °C and the pressure at the exit of the second stage turbine is 8 kPa. Steam expands through the first stage turbine to 1 MPa and then is reheated to 440 °C. Saturated liquid water leaves the condenser. After the pump, pressure goes back to 12 MPa. Find: (1) Sketch the process on a T-s diagram and justify the location...
(15 pts.) In an ideal Rankine cycle that uses water as the working fluid. Superheated steam exits the boiler at 4 MPa and 600°C with a mass flow rate of 8 kg/s. The steam leaves the turbine at a pressure of 100 kPa. (a) Sketch the cycle on a T-s diagram (6) Determine the power output of the turbine (c) Determine the rate of heat loss from the condenser (d) The required pump power (e) The rate of heat addition...
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