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Consider an air standard Otto cycle with a compression ratio of 8. The engine inlet conditions are P=100 kPa, T=290K, and the bottom dead center volume is 400 cm3. If the maximum temperature of the cycle is 2200K, determine: (a) the heat addition in kJ, (b) the net work in kJ, (c) the thermal efficiency (%), and (d) the mean effective pressure in kPa. Use variable specific heats.
calculate the static thrusts of the rocket and turbojet engine described in the figure. the thrust t is the force
air is compressed by a 30-kw compressor from p1 to p2. the air temperature is maintained constant at 25 degrees c
air in contained in a vertical cylinder fitted with a frictionless piston and two sets of stops. the volume is .05m3
Calculate the exact integration result using Matlab symbolic tools and calculate the errors in calculating work done
nitrogen gas at 60 kpa and 7deg c enters an adiabatic diffuser steadily with a velocity of 275 ms and leaves at 85 kpa
a spring-loaded pistoncylinder assembly contains water at 500 c and 3 mpa. the setup is such that pressure is
pool ball b is to be shot into the side pocket d by banking it off the cushion at c. specify the location x of the
a force is described as 150 lb acting through the origin of a two dimensional coordinate system up at an angle 135ordm
an experimental fireworks shell is launched vertically from point a with an initial velocity of magnitude v0 140
You are to supply a design for an engine room crane which will provide maintenance support for the main engine. Your design should include the rails the crane will sit on.
a simple ideal rankine cycle with water as the working fluid operates between the pressure limits of 3 mpa in the
the compressor mechanism shown in figure is driven clockwise by a dc electric motor at a constant rate of 800 rpm. in
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