Question

In: Mechanical Engineering

3. The compression ratio of the ideal air-powered diesel cycle is 14, while the cutting rate...

3. The compression ratio of the ideal air-powered diesel cycle is 14, while the cutting rate is 1.8.Since the air was initially at 100 kPa and 25 ° C;
a. Pressure and temperature at the end of the heat transfer process
b. Thermal efficiency
c. Find the mean effective pressure (M.E.P).

Solutions

Expert Solution

If you like my work please give thumbs up

If you have any query regarding solution please let me know in comment box

samet mamat answered 2 years ago
Next > < Previous

Related Solutions

The compression ratio of an ideal air-powered Diesel cycle is 20. At the beginning of the...
The compression ratio of an ideal air-powered Diesel cycle is 20. At the beginning of the compression process, the pressure of the air is 100 kPa, the temperature is 20 ° C, and the highest temperature of the cycle is required not to exceed 2250 K. Show the cycle in the P-v diagram. Accept specific temperatures constant at room temperature. k=1.4 CP=1.005 kJ/kgK CV=0.718 kJ/kgK R=0.287 kJ/kgK a) Calculate the temperatures entering and leaving the cycle, the thermal efficiency of...
3 Question 3: In an air standard Diesel cycle with compression ratio 14, the conditions of...
3 Question 3: In an air standard Diesel cycle with compression ratio 14, the conditions of the air at the start of compression stroke are 1 bar and 300 K. After addition of heat at constant pressure, the temperature rises to 2774 K. Determine: a) the thermal efficiency of the cycle b) the net work done per kg of air and the c) mean effective pressure
An ideal diesel engine has a compression ratio of 20 and uses air as the working...
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 95 kPa and 200C. If the maximum temperature in the cycle is not to exceed 2200 K, Determine: a) The thermal efficiency, and b) The mean effective pressure, and Assume constant specific heats for air at room temperature.
An ideal diesel engine has a compression ratio of 20 and uses air as the working...
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 compressor process is 100 kpa and 27 C. The maximum temperature in the cycle is 2200 K and the cutoff ratio is 1.2 Determine the following: The internal energies at the beginning and the end of the compression The enthalpy before and end of the combustion The internal energy before and end of the...
An air-standard dual cycle has a compression ratio of 14. At the beginning of compression, p1...
An air-standard dual cycle has a compression ratio of 14. At the beginning of compression, p1 = 14.5 lbf/in.2, V1 = 0.5 ft3, and T1 = 50°F. The pressure doubles during the constant-volume heat addition process. For a maximum cycle temperature of 3500°R, determine: (a) the heat addition to the cycle, in Btu. (b) the net work of the cycle, in Btu. (c) the percent thermal efficiency. (d) the mean effective pressure, in lbf/in.2
At the beginning of compression of an ideal Diesel cycle the gas has a temperature and...
At the beginning of compression of an ideal Diesel cycle the gas has a temperature and pressure of 400C and 90 kN/m2, respectively. The volume ratio of compression is 16:1. The maximum temperature of the cycle is 14000C. Determine, for the cycle, the pressure and temperature at each of the cycle process change points,                            [8] the work done/kg gas,                                                                                                                           [4] the thermal efficiency,                                                                                                                           [4] the work ratio,                                                                                                                                         [3] the mean effective pressure,...
An ideal cold air-standard Otto cycle has a compression ratio of 9.2. At the end of...
An ideal cold air-standard Otto cycle has a compression ratio of 9.2. At the end of the expansion process, the pressure is 110 psi, the temperature is 1020 °R and the specific volume is 3.435 ft3/lbm. The heat rejection from the cycle is 92 BTU/lbm of air. Evaluate specific heat at 100 °F and calculate the following by hand: What is the mean effective pressure (psi)? The correct answer is 231.8 psi. Show every step and calculation with units necessary.to...
An ideal Otto cycle has a compression ratio of 7. At the beginning of the compression...
An ideal Otto cycle has a compression ratio of 7. At the beginning of the compression process, air is at 98 kPa, 30oC and 766 kJ/kg of heat is transferred to air during the constant-volume heat addition process. Determine (a) the pressure (p3) and temperature (T3) 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 cycle. Use the IG model
An ideal Otto cycle has a compression ratio of 8. At the beginning of the compression...
An ideal Otto cycle has a compression ratio of 8. At the beginning of the compression process, air is at 95 kPa and 27°C, and 900 kJ/kg of heat is transferred to air during the constant-volume heat-addition process. Taking into account the variation of specific heats with temperature, 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 cycle
An ideal Otto cycle has a compression ratio of 8.5 At the beginning of the compression...
An ideal Otto cycle has a compression ratio of 8.5 At the beginning of the compression process, air is at 98 kPa and 27∘C, If the Tmax cannot exceed 2300K and 3e-5 kg of. assuming constant specific heats at ambient temperature, determine (a) the pressure and temperature at the end of each process. (b) the net work output, (c) the thermal efficiency, and (d) the mean effective pressure for the cycle.
ADVERTISEMENT
Subjects
ADVERTISEMENT
Latest Questions
ADVERTISEMENT