The air mass of 0.05 kg works on a Carnot machine. The maximum temperature of cycle...
The air mass of 0.05 kg works on a Carnot machine. The
maximum temperature of
cycle is 940 ° K and the maximum pressure is 8.4 x 10 ^ 3 Kpa. The
heat supplied by
cycle is 4.2 Kj. Determine the maximum volume of the cylinder if
the minimum temperature.
during the cycle it is 300 ° k
Homework Answers
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The air mass of 0.05 kg works on a Carnot machine. The
maximum temperature of
cycle...
Problem 2:2* (Carnot Cycle Application) Two kilograms of air within a piston-cylinder assembly execute a Carnot...
Problem 2:2* (Carnot Cycle Application) Two kilograms of air within a piston-cylinder assembly execute a Carnot power cycle with maximum and minimum temperatures of 750 K and 300 K, respectively. The heat transfer to the air during the isothermal expansion is 60 kJ. At the end of the isothermal expansion, the pressure is 600 kPa. Assuming the ideal gas model for the air, determine (a) The thermal efficiency. (b) The Pressure and volume at the beginning of the isothermal expansion,...
An air standard Carnot cycle is executed in a closed system between the temperature limits of...
An air standard Carnot cycle is executed in a closed system between the temperature limits of 350 K and 1200 K. The pressure before and after the isothermal compression are 150 kPa and 300 kPa respectively. The net work output per cycle is 0.7 kJ . Use the IG model for air. Determine the maximum pressure in the cycle. Determine the heat transfer to air. Determine the mass of air.
An air standard Carnot cycle is executed in a closed system between the temperature limits of 350...
An air standard Carnot cycle is executed in a closed system between the temperature limits of 350 K and 1200 K. The pressure before and after the isothermal compression are 150 kPa and 300 kPa respectively. The net work output per cycle is 0.7 kJ . Use the IG model for air. Determine the maximum pressure in the cycle. Determine the heat transfer to air. Determine the mass of air.
5) Otto Cycle In this problem, you will analyze the performance of an air-standard Otto cycle for...
5) Otto Cycle In this problem, you will analyze the performance of an air-standard Otto cycle for two cases: 1) variable specific heats of air and 2) constant specific heats of air evaluated at 300 K. The following information is given for the cycle: .The pressure and temperature, respectively, are 100 kPa and 300 K at the beginning of compressionn The compression ratio is 9 . The heat addition per unit mass of air is 1350 kJ/kg For each case,...
A simple Ideal Brayton cycle operates with air with minimum and maximum temperatures of 27C and...
A simple Ideal Brayton cycle operates with air with minimum and maximum temperatures of 27C and 727°C. It is designed so that the. maximum cycle pressure is 2000 kPa and the minimum cycle pressure is 100 kPa. The isentropic efficiency of the turbine is 78 percent. Determine the network produced per unit mass of air each time this cycle is executed and the cycle's thermal efficiency Use constant specific heats at room temperature. The properties of air at room temperature...
A simple ideal Brayton cycle operates with air with minimum and maximum temperatures of 27°C and...
A simple ideal Brayton cycle operates with air with minimum and
maximum temperatures of 27°C and 727°C. It is designed so that the
maximum cycle pressure is 2000 kPa and the minimum cycle pressure
is 100 kPa. The isentropic efficiency of the turbine is 96 percent.
Determine the net work produced per unit mass of air each time this
cycle is executed and the cycle’s thermal efficiency. Use constant
specific heats at room temperature. The properties of air at room...
At the beginning of the compression process of an air-standard Otto cycle, p1 = 1 bar...
At the beginning of the compression process of an air-standard Otto cycle, p1 = 1 bar and T1 = 300 K. The compression ratio is 6 and the heat addition per unit mass of air is 1300 kJ/kg. Determine: (a) the maximum temperature of the cycle, in K. (b) the net work, in kJ/kg. (c) the percent thermal efficiency of the cycle. (d) the mean effective pressure, in kPa.
kPa (20) 3. An ideal Stirling cycle uses air as the working fluid. The air is at 400 K and 200 kPa at the beginning...
kPa (20) 3. An ideal Stirling cycle uses air as the working fluid. The air is at 400 K and 200 kPa at the beginning of the isothermal compression process, and heat is supplied to the air from a source at 1800 K in the amount of 900 kJ/kg.Utilizing cold air-standard assumptions, determine the maximum pressure in the cycle. c,- 1.005 kJ/kg-K, k 1.4, R 0.287 kJ/kg-K tamet sam Proeess
kPa (20) 3. An ideal Stirling cycle uses air as...
Analyze a Diesel cycle using a constant specific heat air standard model (cP = 1.004 kJ/kg-K,...
Analyze a Diesel cycle using a constant specific heat air standard model (cP = 1.004 kJ/kg-K, R = 0.287 kJ/kg-K) with the following properties: The temperature and pressure at the beginning of the compression stroke are 300 K and 100 kPa, the compression ratio is 22, and the specific heat addition is 800 kJ/kg. Find the thermal efficiency, cut off ratio, maximum temperature in the cycle, and maximum pressure in the cycle.
Problem 9.001 SI At the beginning of the compression process of an air-standard Otto cycle, p1...
Problem 9.001 SI At the beginning of the compression process of an air-standard Otto cycle, p1 1 bar and T1 300 K. The compression ratio is 6 and the heat addition per unit mass of air is 1400 kJ/kg Determine: (a) the maximum temperature of the cycle, in K. (b) the net work, in kJ/kg. (c) the percent thermal efficiency of the cycle (d) the mean effective pressure, in kPa.
Problem 2:2* (Carnot Cycle Application) Two kilograms of air within a piston-cylinder assembly execute a Carnot power cycle with maximum and minimum temperatures of 750 K and 300 K, respectively. The heat transfer to the air during the isothermal expansion is 60 kJ. At the end of the isothermal expansion, the pressure is 600 kPa. Assuming the ideal gas model for the air, determine (a) The thermal efficiency. (b) The Pressure and volume at the beginning of the isothermal expansion,...
5) Otto Cycle In this problem, you will analyze the performance of an air-standard Otto cycle for two cases: 1) variable specific heats of air and 2) constant specific heats of air evaluated at 300 K. The following information is given for the cycle: .The pressure and temperature, respectively, are 100 kPa and 300 K at the beginning of compressionn The compression ratio is 9 . The heat addition per unit mass of air is 1350 kJ/kg For each case,...
A simple Ideal Brayton cycle operates with air with minimum and maximum temperatures of 27C and 727°C. It is designed so that the. maximum cycle pressure is 2000 kPa and the minimum cycle pressure is 100 kPa. The isentropic efficiency of the turbine is 78 percent. Determine the network produced per unit mass of air each time this cycle is executed and the cycle's thermal efficiency Use constant specific heats at room temperature. The properties of air at room temperature...
A simple ideal Brayton cycle operates with air with minimum and
maximum temperatures of 27°C and 727°C. It is designed so that the
maximum cycle pressure is 2000 kPa and the minimum cycle pressure
is 100 kPa. The isentropic efficiency of the turbine is 96 percent.
Determine the net work produced per unit mass of air each time this
cycle is executed and the cycle’s thermal efficiency. Use constant
specific heats at room temperature. The properties of air at room...
kPa (20) 3. An ideal Stirling cycle uses air as the working fluid. The air is at 400 K and 200 kPa at the beginning of the isothermal compression process, and heat is supplied to the air from a source at 1800 K in the amount of 900 kJ/kg.Utilizing cold air-standard assumptions, determine the maximum pressure in the cycle. c,- 1.005 kJ/kg-K, k 1.4, R 0.287 kJ/kg-K tamet sam Proeess
kPa (20) 3. An ideal Stirling cycle uses air as...
Problem 9.001 SI At the beginning of the compression process of an air-standard Otto cycle, p1 1 bar and T1 300 K. The compression ratio is 6 and the heat addition per unit mass of air is 1400 kJ/kg Determine: (a) the maximum temperature of the cycle, in K. (b) the net work, in kJ/kg. (c) the percent thermal efficiency of the cycle (d) the mean effective pressure, in kPa.
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