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A 100-L container is filled with 1 kg of air at a temperature of 27°C. The...
Required information An air-standard Diesel cycle has a compression ratio of 16 and a cutoff rati...
Required information An air-standard Diesel cycle has a compression ratio of 16 and a cutoff ratio of 2. At the beginning of the compression process, air is at 103 kPa and 27℃. Assume constant specific heats. The properties of air at room temperature are Cp-1.005 kJ/kg-K, cv-0718 kJ/kg.K, R= 0.287 kJ/kg-K, and k = 1.4 Determine the mean effective pressure The mean effective pressure is「 kPa.
Required information An air-standard Diesel cycle has a compression ratio of 16 and a...
Problem 03.071- Gage pressure of air A 400-L rigid tank contains 5 kg of air at...
Problem 03.071- Gage pressure of air A 400-L rigid tank contains 5 kg of air at 25°C. Determine the reading on the pressure gage if the atmospheric pressure is 97.5 kPa. The gas constant of air is R 0.287 kPa-m /kg-K. 3 The gage pressure iskPa
1. 6. An adiabatic, steady state air compressor compresses 10 L/S of air at 120 kPa...
1.
6. An adiabatic, steady state air compressor compresses 10 L/S of air at 120 kPa and 20 C to 1000 kPa and 300 C. Determine: (a) the mass flow rate of the air in kg/s (b) the power required to drive the air compressor, in kW. Air; c 1.018 kJ/kg K, the gas constant R 0.287 kPa.m/kg.K 1 MPa 300°C Compressor 120 kPa 20°C 101/s
picture has problem information. please answer below questions: 1. the mass in kg of the air...
picture has problem information. please answer below
questions:
1. the mass in kg of the air is?
2. the final pressure in kPa is?
on the following description A 1 m rigid container contains air at 200 °C and at a pressure of 200 kPa. The air is heated until its temperature reaches 300°C. Al properties: 0.287 kJ/kg.K, Cv -0.716 kJ/kg.K. Cp - 1.003 kJ/kg.K) 1. The mass in kg of the air is closer to: 0.31 0.52 0.85 1.20...
4) Volume 2.5 m^3 air in a rigid tank with initial pressure 100 kPa and temperature...
4) Volume 2.5 m^3 air in a rigid tank with initial pressure 100 kPa and temperature 25°C There. It is applied to the tank feed line by a valve. Pressure of air flowing through the supply line 600 kPa and temperature is 25°C. By opening the valve, the pressure of the air in the tank is air entering the tank until it is equal to the pressure of the air It is closed. A thermometer placed in the tank lasts...
In an Otto cycle air is compressed from an initial pressure 120 kPa and temperature 370...
In an Otto cycle air is compressed from an initial pressure 120 kPa and temperature 370 T (K). The cycle has compression ratio of 10. In the constant volume heat addition process 1000 kJ/kg heat is added into the air. Considering variation on the specific heat of air with temperature, determine, (a) the pressure and temperature at the end of heat addition process (show the points on P-v diagram) (b) the network output (c) the thermal efficiency (d) the mean...
(10 pts) Air is compressed from 5.3 L, 7°C and 98 kPa to 0.65 L inside...
(10 pts) Air is compressed from 5.3 L, 7°C and 98 kPa to 0.65 L inside a piston-cylinder device. The compression is reversible and adiabatic. Rair 0.287 k]/kg.K. Using variable specific heat analysis, determine: 1. a. b. c. The temperature after compression, in K. The pressure after compression, in kPa. The work done on the system, in k].
Problem 5: Nitrogen (N2) is contained in a rigid, adiabatic 0.3 m3 container at 20°C and...
Problem 5: Nitrogen (N2) is contained in a rigid, adiabatic 0.3 m3 container at 20°C and 101.325 kPa. The gas constant of nitrogen is R = 0.287 kJ/kg. °K and C, = 0.718 kJ/kg.K. A paddle wheel within the container spins, doing 50 kJ of work. Determine the entropy produced in KJ/K.
Required information An ideal Otto cycle has a compression ratio of 8. At the beginning of...
Required information An ideal Otto cycle has a compression ratio of 8. At the beginning of the compression process, air is at 95 kPa and 27 and 720 kJ/kg of heat is transferred to air during the constant volume heat addition process. Take into account the variation of specific heats with temperature. The gas constant of air is R=0.287 kJ/kg.K. Determine the network output (You must provide an answer before moving on to the next part.) The net work output...
A 1.75-L container filled with CO2 gas at 25 °C and 225 kPa pressure springs a...
A 1.75-L container filled with CO2 gas at 25 °C and 225 kPa pressure springs a leak. When the container is re-sealed, the pressure is 165 kPa kPa and the temperature is 12 °C. How many moles of gas were lost?
Required information An air-standard Diesel cycle has a compression ratio of 16 and a cutoff ratio of 2. At the beginning of the compression process, air is at 103 kPa and 27℃. Assume constant specific heats. The properties of air at room temperature are Cp-1.005 kJ/kg-K, cv-0718 kJ/kg.K, R= 0.287 kJ/kg-K, and k = 1.4 Determine the mean effective pressure The mean effective pressure is「 kPa.
Required information An air-standard Diesel cycle has a compression ratio of 16 and a...
Problem 03.071- Gage pressure of air A 400-L rigid tank contains 5 kg of air at 25°C. Determine the reading on the pressure gage if the atmospheric pressure is 97.5 kPa. The gas constant of air is R 0.287 kPa-m /kg-K. 3 The gage pressure iskPa
1.
6. An adiabatic, steady state air compressor compresses 10 L/S of air at 120 kPa and 20 C to 1000 kPa and 300 C. Determine: (a) the mass flow rate of the air in kg/s (b) the power required to drive the air compressor, in kW. Air; c 1.018 kJ/kg K, the gas constant R 0.287 kPa.m/kg.K 1 MPa 300°C Compressor 120 kPa 20°C 101/s
picture has problem information. please answer below
questions:
1. the mass in kg of the air is?
2. the final pressure in kPa is?
on the following description A 1 m rigid container contains air at 200 °C and at a pressure of 200 kPa. The air is heated until its temperature reaches 300°C. Al properties: 0.287 kJ/kg.K, Cv -0.716 kJ/kg.K. Cp - 1.003 kJ/kg.K) 1. The mass in kg of the air is closer to: 0.31 0.52 0.85 1.20...
4) Volume 2.5 m^3 air in a rigid tank with initial pressure 100 kPa and temperature 25°C There. It is applied to the tank feed line by a valve. Pressure of air flowing through the supply line 600 kPa and temperature is 25°C. By opening the valve, the pressure of the air in the tank is air entering the tank until it is equal to the pressure of the air It is closed. A thermometer placed in the tank lasts...
(10 pts) Air is compressed from 5.3 L, 7°C and 98 kPa to 0.65 L inside a piston-cylinder device. The compression is reversible and adiabatic. Rair 0.287 k]/kg.K. Using variable specific heat analysis, determine: 1. a. b. c. The temperature after compression, in K. The pressure after compression, in kPa. The work done on the system, in k].
Problem 5: Nitrogen (N2) is contained in a rigid, adiabatic 0.3 m3 container at 20°C and 101.325 kPa. The gas constant of nitrogen is R = 0.287 kJ/kg. °K and C, = 0.718 kJ/kg.K. A paddle wheel within the container spins, doing 50 kJ of work. Determine the entropy produced in KJ/K.
Required information An ideal Otto cycle has a compression ratio of 8. At the beginning of the compression process, air is at 95 kPa and 27 and 720 kJ/kg of heat is transferred to air during the constant volume heat addition process. Take into account the variation of specific heats with temperature. The gas constant of air is R=0.287 kJ/kg.K. Determine the network output (You must provide an answer before moving on to the next part.) The net work output...
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