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8.11 Plot each of the quantities calculated in Problem 8.10 versus condenser pressure ranging from 0.3...
Problem 8.015 Water is the working fluid in a Rankine cycle. Steam exits the steam generator at 1500 lbf/in.2 and 1100℉ Due to heat transfer and frictional effects in the line connecting the steam ge...
Problem 8.015 Water is the working fluid in a Rankine cycle. Steam exits the steam generator at 1500 lbf/in.2 and 1100℉ Due to heat transfer and frictional effects in the line connecting the steam generator and turbine, the pressure and temperature at the turbine inlet are reduced to 1400 Ibf/in.2 and 1000 , respectively. Both the turbine and pump have isentropic efficiencies of 95%. Pressure at the condenser inlet is 2 lbf/ in.2, but due to frictional effects the condensate...
Water is the working fluid in a Rankine cycle. Steam exits the steam generator at 1500 lbf/in.2 and 1100°F. Due to heat transfer and frictional effects in the line connecting the steam generator and...
Water is the working fluid in a Rankine cycle. Steam exits the steam generator at 1500 lbf/in.2 and 1100°F. Due to heat transfer and frictional effects in the line connecting the steam generator and turbine, the pressure and temperature at the turbine inlet are reduced to 1400 lbf/in.2 and 1000°F, respectively. Both the turbine and pump have isentropic efficiencies of 95%. Pressure at the condenser inlet is 2 lbf/ in. 2, but due to frictional effects the condensate exits the...
2. Ideal Rankine cycle. The condenser pressure is 4 psia. Steam goes into turbine at 1100F...
2. Ideal Rankine cycle. The condenser pressure is 4 psia. Steam goes into turbine at 1100F and 1300 psia. The mass flow rate of steam is 2,000,000 lb/h. Cooling water from a lake flows through the condenser at 95,000,000 lb/hr and comes into the condenser at 63F. Determine: a) The net power made (BTU/h) b) Rate of heat transfer in the condenser (BTU/h) c) Overall thermal efficiency (%) d) The outlet temperature of the cooling water (F)
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 ....
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...
This is problem 6-10 from El-Wakil’s Powerplant Technology book -- it is required to evaluate the...
This is problem 6-10 from El-Wakil’s Powerplant Technology book -- it is required to evaluate the effects of changing surface condenser inlet water temperature on powerplant performance. Consider the ideal Rankine cycle and condenser of Prob. 6-9 (with 25,696 tubes) but the cooling water inlet temperature is changed from 70°F to 60°F. Calculate (a) the new exit cooling water temperature, in degrees Fahrenheit, (b) the new condenser pressure, in pounds per square inch absolute, and (c) the new plant power,...
Water is the working fluid in an ideal regenerative Rankine cycle with one open feed water heater, Figure 2. Upstream of the high pressure turbine superheated vapour with a mass flow rate of 90 kg/s...
Water is the working fluid in an ideal regenerative Rankine cycle with one open feed water heater, Figure 2. Upstream of the high pressure turbine superheated vapour with a mass flow rate of 90 kg/s entres the first-stage turbine at a pressure of 14 MPa Each turbine stage has an isentropic efficiency of 90%. The temperature of the inlet vapour is 520°C. The steam expands through the first-stage turbine to a pressure of 0.9MPa where some of the steam is...
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...
3) A solar powered steam generator operates under an ideal Rankine cycle. Water at a pressure...
3) A solar powered steam generator operates under an ideal Rankine cycle. Water at a pressure of 15MPa enters the turbine as saturated vapor and leaves with a pressure of 0.125MPa. The mass flow rate in the cycle is 100 kg/s, while the temperature difference in the condenser water is 24 Celsius. Draw the T-s diagram of this ideal Rankine cycle. Determine the following: A) The net power developed in the cycle in kW B) The rate of heat transfer...
Problem 2: (50 points) Steam is the work Saturated vapor enters the turbine at (50 points)...
Problem 2: (50 points) Steam is the work Saturated vapor enters the turbine at (50 points) Steam is the working fluid in an ideal Rankine cycle. ated vapor enters the turbine at BO MPa and saturated liquid exits the ser at a pressure of 0.006 MPa. The not power output of the cycle is 500 MW.Also he = 1812.2 kJ/kg and he 157.56 kJ/kg a. Thermal Efficiency (30 points) b. Mass flow rate in kg/h (20 points) c. Bonus: Qin...
Problem 8.015 Water is the working fluid in a Rankine cycle. Steam exits the steam generator at 1500 lbf/in.2 and 1100℉ Due to heat transfer and frictional effects in the line connecting the steam generator and turbine, the pressure and temperature at the turbine inlet are reduced to 1400 Ibf/in.2 and 1000 , respectively. Both the turbine and pump have isentropic efficiencies of 95%. Pressure at the condenser inlet is 2 lbf/ in.2, but due to frictional effects the condensate...
Water is the working fluid in a Rankine cycle. Steam exits the steam generator at 1500 lbf/in.2 and 1100°F. Due to heat transfer and frictional effects in the line connecting the steam generator and turbine, the pressure and temperature at the turbine inlet are reduced to 1400 lbf/in.2 and 1000°F, respectively. Both the turbine and pump have isentropic efficiencies of 95%. Pressure at the condenser inlet is 2 lbf/ in. 2, but due to frictional effects the condensate exits the...
2. Ideal Rankine cycle. The condenser pressure is 4 psia. Steam goes into turbine at 1100F and 1300 psia. The mass flow rate of steam is 2,000,000 lb/h. Cooling water from a lake flows through the condenser at 95,000,000 lb/hr and comes into the condenser at 63F. Determine: a) The net power made (BTU/h) b) Rate of heat transfer in the condenser (BTU/h) c) Overall thermal efficiency (%) d) The outlet temperature of the cooling water (F)
Water is the working fluid in an ideal regenerative Rankine cycle with one open feed water heater, Figure 2. Upstream of the high pressure turbine superheated vapour with a mass flow rate of 90 kg/s entres the first-stage turbine at a pressure of 14 MPa Each turbine stage has an isentropic efficiency of 90%. The temperature of the inlet vapour is 520°C. The steam expands through the first-stage turbine to a pressure of 0.9MPa where some of the steam is...
Problem 2: (50 points) Steam is the work Saturated vapor enters the turbine at (50 points) Steam is the working fluid in an ideal Rankine cycle. ated vapor enters the turbine at BO MPa and saturated liquid exits the ser at a pressure of 0.006 MPa. The not power output of the cycle is 500 MW.Also he = 1812.2 kJ/kg and he 157.56 kJ/kg a. Thermal Efficiency (30 points) b. Mass flow rate in kg/h (20 points) c. Bonus: Qin...
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