Browse Publications Technical Papers 2019-28-0108
2019-10-11

Effect of Injector Cone Angle and NTP on Performance and Emissions of BS6 Engine 2019-28-0108

The combustion phenomenon of diesel engines has got a very major impact on the performance and exhaust emission levels. Several important factors like engine components design, combustion chamber design, Exhaust gas recirculation, exhaust after treatments systems, engine operating parameters etc. decide the quality of combustion. The role of fuel injector is crucial on achieving the desired engine performance and emissions. Efficient combustion depends on the quantity of fuel injected, penetration, atomization and optimum timing of injection. The nozzle through flow, cone angle, no of sprays and nozzle tip penetration are the factors which lead to the selection of perfect injector for a given engine. This paper focusses on the selection of the best fit injector suiting the BS6 application on evaluating the performance and emission characteristics. Injectors used were with varying cone angles and NTP. The nozzle tip protrusion of the injectors were varied by changing the sealing washer thickness. With all the above injector configurations, the performance and emission were thoroughly analysed at every level. Final confirmation of the configuration was selected based on the Power & Torque, Fuel consumption, smoke, exhaust temperatures.

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