Thermo
SA closed ayore ideal gas tunitione plant operates beth 300°C and 30°c and develops a power 100 kw The plant is designed in such a manner that there to no need for regenerator CV of fuel 19000
Mass & Flow rate of our though the plant (~) the rate of fuel consumption
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WGTC η.cn = 95% Gas turbine cycle (GTc) e,I = 100 kW Compressor Turbine Generator 께,- Combustor ...
wGTC η.cn = 95% Gas turbine cycle (GTc) e,I = 100 kW Compressor Turbine Generator 께,- Combustor Pi 100 kPa Regenerator Evaporator Turbine Generator Vapor turbine cycde (VTC) T, = T, + 20 K Condenser 10 Pump Saturated liquid A combined cycle plant operates with a topping gas turbine and a bottoming vapor turbine cycle. The working fluid in the vapor turbine cycle is water. The gas turbine cycle (GTC) electric generator produces 100kW of electric power For air use...
Problem 1 (15 pts) A gas turbine cycle operates with a compressor pressure ratio of 12...
Problem 1 (15 pts) A gas turbine cycle operates with a compressor pressure ratio of 12 and a mass flow rate of 5.0 kg/s. Air enters the compressor at 1 bar, 290 K. The maximum cycle temperature is 1600 K. For the compressor, the isentropic efficiency is 85%, and for the turbine the isentropic efficiency is 90%. Using an air-standard analysis with air as ideal gas with constant specific heats, calculate: a) the volumetric flow rate of air entering the...
A regenerative gas turbine power plant has two stages of compression and two stages of expansion....
A regenerative gas turbine power plant has two stages of compression and two stages of expansion. The overall pressure ratio of the cycle is 12. The air enters each stage of compressor at 300 K and each stage of turbine at 1,180 K. Assume ideal Brayton cycle and effectiveness of regenerator as 100%. The compression or expansion ratios across each compression or expansion stage are also identical. The heating value of the fuel is 39,000 kJ/kg. The minimum fuel consumption...
power plant 3- A combined power plant consisting of a simple open cycle gas turbine unit,...
power plant
3- A combined power plant consisting of a simple open cycle gas turbine unit, using air as the working fluid (neglect fuel mass flow rate), and a steam turbine is to be designed such that the heat rejected at the gas turbine unit is to be utilized to produce steam at the generator for the steam turbine. The exhaust air leaving the generator is at (200 C°). Draw a simple sketch for the plant and the (T-s) diagram...
Air enters the compressor of a cold air-standard Brayton cycle at 100 kpa, 300 k, with...
Air enters the compressor of a cold air-standard Brayton cycle at 100 kpa, 300 k, with a mass flow rate of 6 kg/s. the compressor pressure ratio is 10, and the turbine inlet temperature is 1400 K. For k = 1.4, calculate a. The thermal efficiency of the cycle b. The back work ratio c. The net power developed, in kW d. Reconsider the above with an ideal regenerator.
Air expands through a turbine from 8 bar, 960 K to 1 bar, 450 K. The...
Air expands through a turbine from 8 bar, 960 K to 1 bar, 450 K. The inlet velocity is small compared to the exit velocity of 90 m/s. The turbine operates at steady state and develops a power output of 2500 kW. Heat transfer between the turbine and its surroundings and potential energy effects are negligible. Modeling air as an ideal gas, calculate the mass flow rate of air, in kg/s, and the exit area, in m2.
Here is the energy analysis of the hydronic heating system depicted in the diagram. The boiler...
Here is the energy analysis of the hydronic heating system
depicted in the diagram.
The boiler plant consists of two identical boilers, each having
the following characteristics:
• Fuel: natural gas
• Burner Type: on/off
• Rated Output = 85 kW
• Rated Efficiency, nFL = 80%
The boilers operate in a “Lead/Lag” arrangement, i.e., Boiler 1
operates first to meet the load (up to its capacity), and Boiler 2
operates as necessary to meet any remaining load.
The pump...
The plane is powered by 4 four-stroke engines running at n=5210rpm. Total effective power of the...
The plane is powered by 4 four-stroke engines running at n=5210rpm. Total effective power of the engines is (table 2). Swept volume of the engine V, = 3,21, mass air flow rate is mar = 0,21. Calorific value of the fuel CV = 44 mechanical efficiency nm = 91%, specific fuel consumption b; = 0,0812W Ambient temperature and pressure are po and T, (table 2). specific gas constant R = 287 k = 1,4. Calculate: Torque Indicated efficiency Mean effective...
An oil engine develops 300 kW and the specific fuel consumption is 0.21 kg/kWh. The exhaust...
An oil engine develops 300 kW and the specific fuel consumption is 0.21 kg/kWh. The exhaust from the engine is used in a tubular water heater, flowing through 25 mm diameter tubes, entering with a velocity of 12 m/s, at 340 °C and leaving at 90 °C. The water enters the heater at 10 °C and leaves at 90 °C, flowing in counter-flow to the hot gases. The air-fuel ratio of the engine is 20, and the exhaust pressure is...
425 3. The diagram at the right is regenerator illustrative of a gas turbine power plant being developed for use in an automobile. Assuming that the temperatures indicated have been expressed in d...
425 3. The diagram at the right is regenerator illustrative of a gas turbine power plant being developed for use in an automobile. Assuming that the temperatures indicated have been expressed in degrees Celsius (a) draw a schematic diagram for the gas turbine power plant (b) indicate each of the processes on a T-s diagram (c) calculate the thermal efficiency for the operating conditions given and (d) determine the air flowrate required to develop 50 kW at the rear axle...
wGTC η.cn = 95% Gas turbine cycle (GTc) e,I = 100 kW Compressor Turbine Generator 께,- Combustor Pi 100 kPa Regenerator Evaporator Turbine Generator Vapor turbine cycde (VTC) T, = T, + 20 K Condenser 10 Pump Saturated liquid A combined cycle plant operates with a topping gas turbine and a bottoming vapor turbine cycle. The working fluid in the vapor turbine cycle is water. The gas turbine cycle (GTC) electric generator produces 100kW of electric power For air use...
Problem 1 (15 pts) A gas turbine cycle operates with a compressor pressure ratio of 12 and a mass flow rate of 5.0 kg/s. Air enters the compressor at 1 bar, 290 K. The maximum cycle temperature is 1600 K. For the compressor, the isentropic efficiency is 85%, and for the turbine the isentropic efficiency is 90%. Using an air-standard analysis with air as ideal gas with constant specific heats, calculate: a) the volumetric flow rate of air entering the...
A regenerative gas turbine power plant has two stages of compression and two stages of expansion. The overall pressure ratio of the cycle is 12. The air enters each stage of compressor at 300 K and each stage of turbine at 1,180 K. Assume ideal Brayton cycle and effectiveness of regenerator as 100%. The compression or expansion ratios across each compression or expansion stage are also identical. The heating value of the fuel is 39,000 kJ/kg. The minimum fuel consumption...
power plant
3- A combined power plant consisting of a simple open cycle gas turbine unit, using air as the working fluid (neglect fuel mass flow rate), and a steam turbine is to be designed such that the heat rejected at the gas turbine unit is to be utilized to produce steam at the generator for the steam turbine. The exhaust air leaving the generator is at (200 C°). Draw a simple sketch for the plant and the (T-s) diagram...
Air enters the compressor of a cold air-standard Brayton cycle at 100 kpa, 300 k, with a mass flow rate of 6 kg/s. the compressor pressure ratio is 10, and the turbine inlet temperature is 1400 K. For k = 1.4, calculate a. The thermal efficiency of the cycle b. The back work ratio c. The net power developed, in kW d. Reconsider the above with an ideal regenerator.
Here is the energy analysis of the hydronic heating system
depicted in the diagram.
The boiler plant consists of two identical boilers, each having
the following characteristics:
• Fuel: natural gas
• Burner Type: on/off
• Rated Output = 85 kW
• Rated Efficiency, nFL = 80%
The boilers operate in a “Lead/Lag” arrangement, i.e., Boiler 1
operates first to meet the load (up to its capacity), and Boiler 2
operates as necessary to meet any remaining load.
The pump...
The plane is powered by 4 four-stroke engines running at n=5210rpm. Total effective power of the engines is (table 2). Swept volume of the engine V, = 3,21, mass air flow rate is mar = 0,21. Calorific value of the fuel CV = 44 mechanical efficiency nm = 91%, specific fuel consumption b; = 0,0812W Ambient temperature and pressure are po and T, (table 2). specific gas constant R = 287 k = 1,4. Calculate: Torque Indicated efficiency Mean effective...
An oil engine develops 300 kW and the specific fuel consumption is 0.21 kg/kWh. The exhaust from the engine is used in a tubular water heater, flowing through 25 mm diameter tubes, entering with a velocity of 12 m/s, at 340 °C and leaving at 90 °C. The water enters the heater at 10 °C and leaves at 90 °C, flowing in counter-flow to the hot gases. The air-fuel ratio of the engine is 20, and the exhaust pressure is...
425 3. The diagram at the right is regenerator illustrative of a gas turbine power plant being developed for use in an automobile. Assuming that the temperatures indicated have been expressed in degrees Celsius (a) draw a schematic diagram for the gas turbine power plant (b) indicate each of the processes on a T-s diagram (c) calculate the thermal efficiency for the operating conditions given and (d) determine the air flowrate required to develop 50 kW at the rear axle...
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