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A four-cylinder spark ignition engine has a compression ratio of 8, and each cylinder has a maximum volume of 0.6L. At the beginning of the compression process, air is at 98kPa and 17°C and the maximum temperature of the cycle is 1800°C. The pressure is doubled during the heat addition process. Account for variation of specific heats with temperature and model the engine as a dual cycle.
Determine:a) The amount of heat supplied per cylinder (kJ)b) The thermal efficiency of the cyclec) The number of revolutions per minute for a net power output of 60kWd) The mean effective pressure for the cycle.
a carnot engine operates between temperatures of 700 and 369 k. to improve the efficiency of the engine it is decided
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tank that is initially evacuated is connected by a valve to an air supply line flowing air at 20 degree c 800 kpa. the
Determine the radius of the crank R and the speed n of a slider crank mechanism, used in a shaker table. It is required that the average speed of the table is 5 m/s, and the maximum absolute acceleration is 3000m/s^2. Assume ratio R/L=0.2
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In flows past solid bodies, the force exerted on the body by the fluid motion depends upon the fluid velocity u, the density p, the viscosity
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a 45 wt pb-55 mg alloy is rapidly quenched to room temperature from an elevated temperature in such a way that the high
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