Browse Publications Technical Papers 2003-01-0053
2003-03-03

Development of a Spark assisted Diesel Engine 2003-01-0053

In this work an existing petrol engine (Villiers engine) was modified to run as a spark assisted diesel engine at an increased compression ratio. To increase the compression ratio a new cylinder head with a swirl chamber was designed and incorporated to ensure better turbulence and atomization of the fuel. The compression ratio was thus increased from 5.22 to 9.4. The original spark plug of Villiers engine was retained. To further aid the ignition of diesel a glow plug was introduced. Provisions were made for incorporating a fuel pump assembly, which get its drive from the engine crankshaft. An injector was set up in the cylinder head and was placed such that the fuel impinges on the glow plug surface. The redesigned engine, a spark assisted diesel engine, was studied in detail for its performance.

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