EXPERIMENTAL INVESTICATION OF NET HEAT RELEASE RATE OF A VARIABLE COMPRESSION RATIO DIESEL ENGINE OPERATING WITH HONGE OIL BLENDS FOR DIFFERENT CRANK ANGLES

MECHANICAL ENGINEERING

In this experimental study net heat release rate of a variable compression ratio (VCR) Diesel engine operating with diesel and Honge oil blends were studied under different crank angle (-360˚ to +359˚), five different percentage loading conditions (0%, 25%, 50%, 75% & 100%), two compression ratio (17:01 & 18:01) and three different Honge oil blends (B10, B15 & B20) which are blended with diesel by volumetric basis (100 ml Honge oil: 900 ml pure Diesel, 150 ml Honge oil: 850 ml pure Diesel, 200 ml Honge oil: 800 ml pure Diesel) respectively. For comparative purpose initially the engine was run by pure Diesel. This study shows that the net heat release rate is maximum (69.45 J//s) when the engine operates with Honge oil (B10 blend) which was blended with pure Diesel on 100% loading conditions at a crank angle of 4˚ and compression ratio 17:01. This study shows that the net heat release rate is minimum (20.51 J/s) when the engine operates with pure Diesel on 100% loading conditions at a crank angle of 14˚ and compression ratio 17:01.

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