Diesel cycle using air with compression ratio of 15:1, and cut off ratio of 2:1. The pressure and temperature at the begging of compression 100 kpa and 300 k0, using light diesel fuel at an air-fuel ratio of (A/F)= 18:1, N= 3000rpm and a mechanical efficiency of 82% Calculate: 1.max pressure and max temperature. 2.The work net. 3.Thermal efficiency. 4.Bsfc. 5- Bmep. 6- Volumetric efficiency. Assume: Single cylinder engine, 4- stroke Cp=1.005 kj/kg.k, Cv= 0.718 kj/kg.k, R= 0.287 Kj/kg.K ,ꙋ=1.4 and air density=1.18m3/kg, and heating value of 44000 kj/kg

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IC engines

The term "engine" indicates a mechanical device/machine used to convert input energy to a specific mechanical output. The input energy may be in the form of chemical energy, thermal energy, or so on and mechanical output is in the form of mechanical energy (work done). Generally, the engines classify into two groups which are internal combustion type and external combustion type, and further, these two types can be classified into two types that are reciprocating and rotary engines.