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An SI engine operating on a four-stroke air-standard cycle using stoichiometric gasoline is to have a maximum cylinder pressure of 11,000 kPa at WOT. Inlet pressure can be 100 kPa without supercharging, or it can be as high as 150 kPa with a supercharger. Design the engine cycle and pick a compression ratio and inlet pressure combination to give maximum indicated thermal efficiency. Also find out a compression ratio and inlet pressure to give maximum imep. engineering fundamentals of internal combustion enignes - pulkrabek.
Draw the T-s diagram (hint: it would help to begin with a schematic of the cycle) and.
Calculate the net cycle work in kJ assuming air is an ideal gas with constant specific heats.
Briefly describe the meaning of the term mechatronics both in terms of the 'systems approach' and the technology involved.
For the process where q= 62.5 kj/kg and wkcs= 60 kj/kg determine the energy change if the system mass is 2 kg.
determine the average applied force exerted on to the pile hammer. Note because the force is applied over a short time period it can be considered as an impulse force.
Heat transfer to air takes place partly at constant volume and partly at constant pressure, and it amounts to 1520.4 kJ/kg. Determine (a) the fraction of heat transferred at constant volume and (b) the thermal efficiency of the cycle.
Determine Fourier Number, Compare two identical steel spheres, except the first has a two inch diameter while the second sphere has a four inch diameter. The larger sphere will have a Fourier number approximately
Whit is the critical crack length in iron according to the Griffith-Orowan equation if surface energy=10^3J/m^2?
A piston -cylinder device contains 0.06 m3 of saturated water vapor at 350 KPa pressure. Determine the temperature and the mass of the vapor inside the cylinder.
Starting from the energy equation and using the one-dimensional heat conduction derivation as an example
Determine maximum total bending moment (static plus dynamic) of the beam under steady-state conditions.
what would be the effect on the calculated value of the vane efficiency for mass of jockey in error by 0.001 measurements.
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