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Consider an air-standard Otto cycle, and a modified cycle in which the isentropic compression and expansion processes are each replaced by polytropic processes with n=1.3. The compression ratio for both cycles is 10. P1 = 1 bar and T1 = 310 K, and the max temperature of the cycles is 2200 K. Find the heat transfer and work per unit mass of air in KJ/kg for each process of the two cycles, and compare the thermal efficiency of each. Assume constant specific heats at room temperature, and k=1.4.
Horsepower and efficiency of three-phase motor, If a fully loaded 440V, three-phase motor draws 12.4 A at 86% power factor (pf). It's speed is 1730 rpm and its torque output to a mechanical load is 29.1 lb-ft x 1.356 = 39.5 Nm.
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prepare the project objectives based on the requirement out lined at the next page.the following is the project
the compression ration in an air-standard otto cycle is 8. at the begining of the compression stroke the pressure is
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