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Problem 2: (50 points) Steam is the work Saturated vapor enters the turbine at (50 points)...
Steam is the working fluid in a simple, ideal Rankine cycle. Saturated vapor enters the turbine...
Steam is the working fluid in a simple, ideal Rankine cycle. Saturated vapor enters the turbine at 8 MPa and saturated liquid exits the condenser at a pressure of 8 kPa. The net power output of the cycle is 100 MW. Determine for the cycle: i. Thermal efficiency ii. Back work ratio iii. Mass flow-rate of the steam in kg/h iv. Rate of heat transfer to the working fluid as it passes through the boiler in MW v. Rate of...
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 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...
/5 2- Saturated vapor enters the turbine at 8MP and saturated liquid exits the condenser at...
/5 2- Saturated vapor enters the turbine at 8MP and saturated liquid exits the condenser at a pressure of 0.008 MPa. The isentropic efficiency of the turbine is 85%. Determine: the quality of the steam at state 2 he 173.88 kJ/kgl and htg 2403.1[kJ/kg] at 0.008 MPa a. 8.0 MPa b. heat added to working fluid in the boiler in 4 c. the thermal efficiency of the cycle 0.008 MPa 2s 2 State h [kJ/kg] 2758 1794.8 173.88 181.92 2s
Superheated steam at 20 MPa, 560oC enters the turbine of a vapor power plant. The pressure...
Superheated steam at 20 MPa, 560oC enters the turbine of a vapor power plant. The pressure at the exit of the turbine is 0.7 bar, and liquid leaves the condenser at 0.4 bar at 75oC. The pressure is increased to 20.1 MPa across the pump and the specific enthalpy is 338.14 kJ/kg. The turbine isentropic efficiency is 81%. Cooling water enters the condenser at 20oC with a mass flow rate of 70.7 kg/s and exits the condenser at 38oC. For...
Problem 4 In the vapor power cycle shown below, steam (H20) is the working fluid. Saturated...
Problem 4 In the vapor power cycle shown below, steam (H20) is the working fluid. Saturated vapor enters the turbine at 100 bar and saturated liquid exits the condenser at a pressure of 0.1 bar. The net power output of the cycle, Weycle, is 150 MW. Isentropic efficiency of the turbine and the pump (n (hi-h2)/(h1-h2s), np=(h25-h1)/(h2-h1)) are both 80%. Determine the followings. [30 pts] (a) Thermal efficiency, n (b) Mass flow rate of the steam, m, in kg/s (c)...
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 ....
1). A simple Rankine cycle uses water as the working fluid. Saturated vapor enters the turbine...
1). A simple Rankine cycle uses water as the working fluid. Saturated vapor enters the turbine at 8.0 MPa and saturated liquid water exists the condenser at a pressure of 8.0 kPa. The net power output of the cycle is 100MW Determine: a. The thermal efficiency b. The work ratio c. The mass flow rate of the steam in kg/min d. The rates of heat transfer into/from the working fluid as it passes through the boiler and condenser, respectively, in...
Consider an ideal regenerative Rankine water vapor cycle with two feed water heaters, one closed (streams...
Consider an ideal regenerative Rankine water vapor cycle with two
feed water heaters, one closed (streams do not physically mix). The
steam enters the turbine at 10MPa and 600º C, at a rate of 310kh /
s, and exits towards the condenser at 10kPa. Steam is drawn from
the turbine at 1.2 MPa (stream 9) for the closed heater and at 0.6
MPa (stream 10) for the open heater. The extracted steam leaves the
closed heater (stream 6) as a...
/5 2- Saturated vapor enters the turbine at 8MP and saturated liquid exits the condenser at a pressure of 0.008 MPa. The isentropic efficiency of the turbine is 85%. Determine: the quality of the steam at state 2 he 173.88 kJ/kgl and htg 2403.1[kJ/kg] at 0.008 MPa a. 8.0 MPa b. heat added to working fluid in the boiler in 4 c. the thermal efficiency of the cycle 0.008 MPa 2s 2 State h [kJ/kg] 2758 1794.8 173.88 181.92 2s
Problem 4 In the vapor power cycle shown below, steam (H20) is the working fluid. Saturated vapor enters the turbine at 100 bar and saturated liquid exits the condenser at a pressure of 0.1 bar. The net power output of the cycle, Weycle, is 150 MW. Isentropic efficiency of the turbine and the pump (n (hi-h2)/(h1-h2s), np=(h25-h1)/(h2-h1)) are both 80%. Determine the followings. [30 pts] (a) Thermal efficiency, n (b) Mass flow rate of the steam, m, in kg/s (c)...
1). A simple Rankine cycle uses water as the working fluid. Saturated vapor enters the turbine at 8.0 MPa and saturated liquid water exists the condenser at a pressure of 8.0 kPa. The net power output of the cycle is 100MW Determine: a. The thermal efficiency b. The work ratio c. The mass flow rate of the steam in kg/min d. The rates of heat transfer into/from the working fluid as it passes through the boiler and condenser, respectively, in...
Consider an ideal regenerative Rankine water vapor cycle with two
feed water heaters, one closed (streams do not physically mix). The
steam enters the turbine at 10MPa and 600º C, at a rate of 310kh /
s, and exits towards the condenser at 10kPa. Steam is drawn from
the turbine at 1.2 MPa (stream 9) for the closed heater and at 0.6
MPa (stream 10) for the open heater. The extracted steam leaves the
closed heater (stream 6) as a...
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