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A four cylinder, 3.6 litter CI engine operates with a compression ratio of 18 and an air fuel ratio of 17. The engine operates on a dual cycle. The maximum pressure is limited to 12MPa and the maximum temperature is limited to 3600 K. Assume that at the start of compression the temperature is 50 C and the pressure is 100 kPa. The fuel heating value is 43,000 kL/kg. The fuel injection timing is to be optimized for peak indicated efficiency. Designers must develop the fuel injection sequence to control how much of the heat is released constant volume and how much at constant pressure. Determine the optimum fraction of heat release at constant volume conditions and the fraction of heat release at constant pressure conditions.
An ideal diesel cycle has a compression ratio of 16.8 and a cut off ratio of 1.63. Determine the maximum air temperature and the rate of heat addition to this cycle when it produces 197 hp of power, the cycle is repeated 1,250 times per minute, and t..
a small motor weighing 19.3 lbs is mounted on 4 springs in parallel in such a manner that only vertical motion is
a .5 inch solid bar is to be tested for its strength by applying a torsional force until the bar completely brakes in
liquid water is cooled at a constant pressure of 200 kpa in a piston-cylinder device from a temperature of 110 degc to
Find flow rate A siphon made of a 1 in-inside-diameter pipe is used to maintain a constant level in a 20 ft-deep tank
a 25kg steel tank having a volume capacity of 250 litres is filled with liquid water at room temperature. what is need
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A fluid at a pressure of 3 bar, and with specific volume of 0.18 m^3/kg, contained in a cylinder behind a piston expands reversibly to a pressure of 0.6 bar according to a law, Pv^2=C, where C is a constant. Calculate the work done by the fluid on th..
A horizontally oriented copper rod length of l=1m is rotated about avertical axis passing through its middle. what is number of rps at wich this rod ruptures?
a walk-in cooler using a vapor compression refrigeration cycle is configured as shown below. the cycle uses cfc22 or
a particle travels along the path y a bx cx2 where a b c are constants. if the speed of the particle is constant v
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