EFFECT OF FUEL INJECTION SYSTEM ON SMOKE EMISSION FOR TWO CYLINDER GENSET ENGINE

The two cylinder genset engine with mechanical injection system is gaining popularity in Indian market due to its simplicity in design, robust structure and eco-friendly aspect. The injection system and its ancillaries are pivotal for controlling exhaust smoke emissions. To achieve smoke limit as per CPCB II norms, it is first essential to understand the effect of injection system parameters on exhaust smoke and then utilizing this perception of parameters to achieve control on smoke level. Piston bowl geometry is experimentally tested for different combination of washer, nozzle configuration, injection timing and high pressure piping. The trials indicate wide fluctuations in smoke level for change in injection timing and high pressure piping for different washer thickness. Minimum smoke level of 0.158 m-1 is achieved for pressure piping, washer and nozzle configuration of 1.5x550 mm, 2 mm and 5x143x285 respectively whereas for remaining combinations smoke level at first mode of test cycle is high. https://journalnx.com/journal-article/2015047