You are living high in the mountains where the atmospheric pressure is 87.5 kPa. You place...
You are living high in the mountains where the atmospheric pressure is 87.5 kPa. You place a resistor in a pot of water in order to evaporate the water. The resistor adds 3 kW of power to the water. Determne the rate of evaporation of the water in kg/h.
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You are living high in the mountains where the atmospheric
pressure is 87.5 kPa. You place...
Determine the cycle Efficiency: 8.7 MPa 500°C 320,000 kg/h Boiler 80,000 kW High-pressure turbine Low-pressure turbine...
Determine the cycle Efficiency: 8.7 MPa 500°C 320,000 kg/h Boiler 80,000 kW High-pressure turbine Low-pressure turbine Generator Condenser 5 kPa 0.9 MPa 28.000 kg/h 2.3 MPa 28.000 kg/h 227,000 kg/h Condensate pump High pressure heater Intermediate- Deaerating open feed water heater Boiler feed Low pressure heater pump pressure heater Trap Arrangement of heaters in an Trap Booster Trap pump actual power plant utilizing regenerative FWHs 210°C 330 kPa 12.000 kg/h 75КРа
Determine the cycle Efficiency: 8.7 MPa 500°C 320,000 kg/h...
Determine the cycle Efficiency: 8.7 MPa 500°C 320,000 kg/h Boiler 80,000 kW High-pressure turbine Low-pressure turbine...
Determine the cycle Efficiency: 8.7 MPa 500°C 320,000 kg/h Boiler 80,000 kW High-pressure turbine Low-pressure turbine Generator Condenser 5 kPa 0.9 MPa 28.000 kg/h 2.3 MPa 28.000 kg/h 227,000 kg/h Condensate pump High pressure heater Intermediate- Deaerating open feed water heater Boiler feed Low pressure heater pump pressure heater Trap Arrangement of heaters in an Trap Booster Trap pump actual power plant utilizing regenerative FWHs 210°C 330 kPa 12.000 kg/h 75КРа
Determine the cycle Efficiency: 8.7 MPa 500°C 320,000 kg/h...
Liquid water at 120 kPa enters a 7 kW pump where its pressure is raised to...
Liquid water at 120 kPa enters a 7 kW pump where its pressure is raised to 4.7 MPa. If the elevation difference between the exit and the inlet levels is 10 m, determine the highest mass flow rate of liquid water this pump can handle. Neglect the kinetic energy change of water, and take the specific volume of water to be 0.001 m3/kg The highest mass flow rate of liquid water is kg/s
Question 65 At a high elevation, where the atmospheric pressure is only 0.85 atm, water will...
Question 65 At a high elevation, where the atmospheric pressure is only 0.85 atm, water will start to boil: when heated to a temperature where the vapor pressure reaches 1.00 atm when heated to a temperature where the vapor pressure reaches 0.85 atm at a temperature above 100°C at a temperature of exactly 85°C ata temperature of exactly 100°C 30 ... 5 OG L $ & 2 3 4 Ол о 6 7 8 Q W E R. T Y...
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...
In a reheat-cycle power plant, steam enters the high-pressure turbine at 5 MPa, 450°C, and expands...
In a reheat-cycle power plant, steam enters the high-pressure turbine at 5 MPa, 450°C, and expands to 0.5 MPa, after which it is reheated to 450°C. The steam is then expanded through the low-pressure turbine to 7.5 kPa. Liquid water (Vi 0.001 m/kg) leaves the condensor at 30°C, is pumped to 5 MPa, and returned to the steam generator. Each turbine is adiabatic, with an isentropic efficiency of 81.6 % and the pump efficiency is 848 %. If the total...
Fluid Mechanics & Fluid Power Determine the NPSH available. The pressure in the tank is - 20 kPa at 70 °C (atmospheric pressure is 100.5 kPa). The water level in the tank is 2.5 above the pump in...
Fluid Mechanics & Fluid Power
Determine the NPSH available. The pressure in the tank is - 20 kPa at 70 °C (atmospheric pressure is 100.5 kPa). The water level in the tank is 2.5 above the pump inlet. The pipe is 1%", schedule 40 with a total length of 12 m. The elbow is standard, and the globe valve is fully open. The flow rate is 95 L/min. FIGURE 13.27 llustration of pump performance for different impeller diameters with net...
Q's d and e Lactose powder is being dried at atmospheric pressure at a rate of...
Q's d and e
Lactose powder is being dried at atmospheric pressure at a rate of 12.0 [kg/s in a continuous dryer. Lactose powder enters the dryer at 20 [C] and with 10% water content (by mass) and leaves at 35 (C) with 1% water. Air at 50.0*C(dry-bulb) and 22 [C] wet-bulb temperature is used for this drying process. The air exits the dryer saturated at 25 ["C). Assume that the specific heats of water and lactose powder are independent...
A reheat power plant operates between the pressures of 10 MPa and 5 kPa. Steam enters...
A reheat power plant operates between the pressures of 10 MPa and 5 kPa. Steam enters the high and low pressure turbines at 400 °C. If the steam leaves the high pressure turbine at 4 MPa and steam is at saturated vapour state at the end of both turbines, total specific power output of this power plant is; A heat pump is absorbing heat from the cold outdoors at 5°C and supplying heat to a house at 25°C at a...
A simple Rankine cycle with a non-ideal turbine has the following relevant states: - Water leaves...
A simple Rankine cycle with a non-ideal turbine has the
following relevant states: - Water leaves the condenser as a
saturated liquid with a pressure of 100.0 kPa. - As it passes
through the ideal pump, it is raised to a pressure of 7 MPa. - The
boiler raises adds heat isobarically until the substance has a
temperature of 350∘C. - The turbine has an isentropic efficiency of
89.0%. - The mass flow rate through the system is 25 kg/s...
Determine the cycle Efficiency: 8.7 MPa 500°C 320,000 kg/h Boiler 80,000 kW High-pressure turbine Low-pressure turbine Generator Condenser 5 kPa 0.9 MPa 28.000 kg/h 2.3 MPa 28.000 kg/h 227,000 kg/h Condensate pump High pressure heater Intermediate- Deaerating open feed water heater Boiler feed Low pressure heater pump pressure heater Trap Arrangement of heaters in an Trap Booster Trap pump actual power plant utilizing regenerative FWHs 210°C 330 kPa 12.000 kg/h 75КРа
Determine the cycle Efficiency: 8.7 MPa 500°C 320,000 kg/h...
Determine the cycle Efficiency: 8.7 MPa 500°C 320,000 kg/h Boiler 80,000 kW High-pressure turbine Low-pressure turbine Generator Condenser 5 kPa 0.9 MPa 28.000 kg/h 2.3 MPa 28.000 kg/h 227,000 kg/h Condensate pump High pressure heater Intermediate- Deaerating open feed water heater Boiler feed Low pressure heater pump pressure heater Trap Arrangement of heaters in an Trap Booster Trap pump actual power plant utilizing regenerative FWHs 210°C 330 kPa 12.000 kg/h 75КРа
Determine the cycle Efficiency: 8.7 MPa 500°C 320,000 kg/h...
Liquid water at 120 kPa enters a 7 kW pump where its pressure is raised to 4.7 MPa. If the elevation difference between the exit and the inlet levels is 10 m, determine the highest mass flow rate of liquid water this pump can handle. Neglect the kinetic energy change of water, and take the specific volume of water to be 0.001 m3/kg The highest mass flow rate of liquid water is kg/s
Question 65 At a high elevation, where the atmospheric pressure is only 0.85 atm, water will start to boil: when heated to a temperature where the vapor pressure reaches 1.00 atm when heated to a temperature where the vapor pressure reaches 0.85 atm at a temperature above 100°C at a temperature of exactly 85°C ata temperature of exactly 100°C 30 ... 5 OG L $ & 2 3 4 Ол о 6 7 8 Q W E R. T Y...
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...
In a reheat-cycle power plant, steam enters the high-pressure turbine at 5 MPa, 450°C, and expands to 0.5 MPa, after which it is reheated to 450°C. The steam is then expanded through the low-pressure turbine to 7.5 kPa. Liquid water (Vi 0.001 m/kg) leaves the condensor at 30°C, is pumped to 5 MPa, and returned to the steam generator. Each turbine is adiabatic, with an isentropic efficiency of 81.6 % and the pump efficiency is 848 %. If the total...
Fluid Mechanics & Fluid Power
Determine the NPSH available. The pressure in the tank is - 20 kPa at 70 °C (atmospheric pressure is 100.5 kPa). The water level in the tank is 2.5 above the pump inlet. The pipe is 1%", schedule 40 with a total length of 12 m. The elbow is standard, and the globe valve is fully open. The flow rate is 95 L/min. FIGURE 13.27 llustration of pump performance for different impeller diameters with net...
Q's d and e
Lactose powder is being dried at atmospheric pressure at a rate of 12.0 [kg/s in a continuous dryer. Lactose powder enters the dryer at 20 [C] and with 10% water content (by mass) and leaves at 35 (C) with 1% water. Air at 50.0*C(dry-bulb) and 22 [C] wet-bulb temperature is used for this drying process. The air exits the dryer saturated at 25 ["C). Assume that the specific heats of water and lactose powder are independent...
A reheat power plant operates between the pressures of 10 MPa and 5 kPa. Steam enters the high and low pressure turbines at 400 °C. If the steam leaves the high pressure turbine at 4 MPa and steam is at saturated vapour state at the end of both turbines, total specific power output of this power plant is; A heat pump is absorbing heat from the cold outdoors at 5°C and supplying heat to a house at 25°C at a...
A simple Rankine cycle with a non-ideal turbine has the
following relevant states: - Water leaves the condenser as a
saturated liquid with a pressure of 100.0 kPa. - As it passes
through the ideal pump, it is raised to a pressure of 7 MPa. - The
boiler raises adds heat isobarically until the substance has a
temperature of 350∘C. - The turbine has an isentropic efficiency of
89.0%. - The mass flow rate through the system is 25 kg/s...
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