An ideal Diesel cycle has a compression ratio of 17 and a cut-off ratio of 2....
An ideal Diesel cycle has a compression ratio of 17 and a cut-off ratio of 2. At the beginning of the compression process P = 100 kPa and T = 27◦C. Find the temperature, pressure and specific volume at states 1, 2, 3, and 4. Find the heat supplied, heat rejected, work done by the system, work done on the system, net work done, and thermal efficiency. Calculate the thermal efficiency of a Carnot cycle operating between the same temperature limits.
Homework Answers
![273. Process P= P2 = 5279.9 MPa] given cut off ratio €)= dg: 2 dz=24 00506 193 = 0,01 mes YAYAYAYAYAYANAN Applying Ideal gas](http://img.homeworklib.com/questions/48c385b0-58e6-11eb-9aa9-01b9ac80da19.png?x-oss-process=image/resize,w_560)
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An ideal Diesel cycle has a compression ratio of 17 and a
cut-off ratio of 2....
2. An ideal Diesel cycle has a compression ratio of 18 and a cut-off ratio of...
2. An ideal Diesel cycle has a compression ratio of 18 and a cut-off ratio of 2. At the beginning of the compression process P = 95 kPa and T = 20°C. (a) Find the temper- ature, pressure and specific volume at states 1, 2, 3, and 4. (b) Find the heat supplied, heat rejected, work done by the system, work done on the system, net work done, and thermal efficiency. (c) Calculate the thermal efficiency of a Carnot cycle...
At the beginning of the compression process of an air standard Diesel cycle, the pressure is 109 ...
At the beginning of the compression process of an air standard
Diesel cycle, the pressure is 109 kPa and the temperature is 284 K.
The volume of state 1 is 800.0 cm3. The compression ratio for the
Diesel cycle is 12 and cut-off-ratio is 1.95. Determine: a) the
heat addition, in kJ kJ b) the net work, in kJ kJ c) the thermal
efficiency % d) the mean effective pressure, in kPa kPa
At the beginning of the compression process...
#4. An air-standard Diesel cycle has a compression ratio of 16 and a cut-off ratio of...
#4. An air-standard Diesel cycle has a compression ratio of 16 and a cut-off ratio of 2. At the beginning of the compression process, air is at 95 kPa and 27 °C, Taking into account the variation of specific heats with temperature, determine (a) the temperature at the end of the heat-addition process, (b) the pressure and temperature at the end of expansion process, and (c) the total exergy destruction associated with the cycle, assuming a source temperature of 2000...
4. An Ideal diesel engine has a compression ratio of 20 and uses air as the...
4. An Ideal diesel engine has a compression ratio of 20 and uses air as the working fluid. The state of air at the beginning of the compression process is 95kPa and 20°C. If the maximum temperature in the cycle is not to exceed 2200K, determine a) the thermal efficiency and b) the mean effective pressure. Assume constant specific heats for air at room temperature. 5. An aircraft engine operates on a simple ideal Brayton cycle with a pressure ratio...
A cold standard air Diesel cycle has a compression ratio of 18. The heat transferred to...
A cold standard air Diesel cycle has a compression ratio of 18. The heat transferred to the working fluid per cycle is 2000 kJ / kg. At the beginning of the compression process cycle, the pressure is 100 kPa and the temperature is 25 ° C. Determine (a) The pressure in each state of the cycle, (b) The cut-off ratio, (c) The thermal efficiency, (d) The net work per unit of mass and (e) the effective mean pressure.
An ideal Otto cycle has a compression ratio of 8. At the beginning of the transferred compression...
An ideal Otto cycle has a compression ratio of 8. At the beginning of the transferred compression process, air is at 95 kPa and 27-degree C, and 750 kJ/kg of heat is to air during the constant-volume heat-addition process. Considering the variation of specific heats with temperature (Table A-17), determine (a) the pressure and temperature at the end of the heat addition process, (b) the net work output, (c) the thermal efficiency, and (d) the mean effective pressure for the...
An ideal dual combustion cycle operates on 454 kg. of air. At the beginning of compression,...
An ideal dual combustion cycle operates on 454 kg. of air. At the beginning of compression, the air is at 96.53 kPa, 43.3-degree Celsius. Pressure ratio is equal to 1.5, cut-off ratio is 1.6, and compression ratio is 11. Using the air properties, determine (a) the percentage clearance (b) the pressure, the volume, and the temperature at each corner of the cycle, (c) Heat added, Heat rejected, and work net, (d) the thermal efficiency (e) the MEP in kPa.
An air-standard Diesel cycle has a compression ratio of 16 and a cutoff ratio of 2....
An air-standard Diesel cycle has a compression ratio of 16 and a cutoff ratio of 2. At the beginning of the com pression process, air is at 95 kPa and 27℃ Accounting for the variation of specific heats with temperature, determine (a) the temperature after the heat-addition process, (b) the thermal efficiency, and (c) the mean effective pressure
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...
(12 points) An ideal Otto cycle operates with a compression ratio of 10. At the beginning...
(12 points) An ideal Otto cycle operates with a compression ratio of 10. At the beginning of the compression process, the air is at 101 kPa and 27°C. During the constant volume heat addition process, 790 kJ/kg of heat is transferred to the air. Accounting for variable specific heats with temperature, determine: the maximum temperature during the cycle 1266.862 °C the maximum pressure during the cycle 6239.424 kPa the specific net work output 475.495481 kJ/kg the mean effective pressure (MEP)...
2. An ideal Diesel cycle has a compression ratio of 18 and a cut-off ratio of 2. At the beginning of the compression process P = 95 kPa and T = 20°C. (a) Find the temper- ature, pressure and specific volume at states 1, 2, 3, and 4. (b) Find the heat supplied, heat rejected, work done by the system, work done on the system, net work done, and thermal efficiency. (c) Calculate the thermal efficiency of a Carnot cycle...
At the beginning of the compression process of an air standard
Diesel cycle, the pressure is 109 kPa and the temperature is 284 K.
The volume of state 1 is 800.0 cm3. The compression ratio for the
Diesel cycle is 12 and cut-off-ratio is 1.95. Determine: a) the
heat addition, in kJ kJ b) the net work, in kJ kJ c) the thermal
efficiency % d) the mean effective pressure, in kPa kPa
At the beginning of the compression process...
#4. An air-standard Diesel cycle has a compression ratio of 16 and a cut-off ratio of 2. At the beginning of the compression process, air is at 95 kPa and 27 °C, Taking into account the variation of specific heats with temperature, determine (a) the temperature at the end of the heat-addition process, (b) the pressure and temperature at the end of expansion process, and (c) the total exergy destruction associated with the cycle, assuming a source temperature of 2000...
4. An Ideal diesel engine has a compression ratio of 20 and uses air as the working fluid. The state of air at the beginning of the compression process is 95kPa and 20°C. If the maximum temperature in the cycle is not to exceed 2200K, determine a) the thermal efficiency and b) the mean effective pressure. Assume constant specific heats for air at room temperature. 5. An aircraft engine operates on a simple ideal Brayton cycle with a pressure ratio...
An ideal Otto cycle has a compression ratio of 8. At the beginning of the transferred compression process, air is at 95 kPa and 27-degree C, and 750 kJ/kg of heat is to air during the constant-volume heat-addition process. Considering the variation of specific heats with temperature (Table A-17), determine (a) the pressure and temperature at the end of the heat addition process, (b) the net work output, (c) the thermal efficiency, and (d) the mean effective pressure for the...
An ideal dual combustion cycle operates on 454 kg. of air. At the beginning of compression, the air is at 96.53 kPa, 43.3-degree Celsius. Pressure ratio is equal to 1.5, cut-off ratio is 1.6, and compression ratio is 11. Using the air properties, determine (a) the percentage clearance (b) the pressure, the volume, and the temperature at each corner of the cycle, (c) Heat added, Heat rejected, and work net, (d) the thermal efficiency (e) the MEP in kPa.
An air-standard Diesel cycle has a compression ratio of 16 and a cutoff ratio of 2. At the beginning of the com pression process, air is at 95 kPa and 27℃ Accounting for the variation of specific heats with temperature, determine (a) the temperature after the heat-addition process, (b) the thermal efficiency, and (c) the mean effective pressure
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...
(12 points) An ideal Otto cycle operates with a compression ratio of 10. At the beginning of the compression process, the air is at 101 kPa and 27°C. During the constant volume heat addition process, 790 kJ/kg of heat is transferred to the air. Accounting for variable specific heats with temperature, determine: the maximum temperature during the cycle 1266.862 °C the maximum pressure during the cycle 6239.424 kPa the specific net work output 475.495481 kJ/kg the mean effective pressure (MEP)...
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