Experimental Investigation for Combustion Stability of Semi Direct Electronic Injection in Four Stroke SI Engine

Paper #:
  • 2011-01-0229

Published:
  • 2011-04-12
DOI:
  • 10.4271/2011-01-0229
Citation:
Iyer, S., "Experimental Investigation for Combustion Stability of Semi Direct Electronic Injection in Four Stroke SI Engine," SAE Technical Paper 2011-01-0229, 2011, https://doi.org/10.4271/2011-01-0229.
Affiliated:
Pages:
12
Abstract:
This Paper presents the results of experimental work conducted on a four-stroke spark ignited engine to reduce the emissions and to enhance the performance using semi direct electronic fuel injection. A comparative study was carried out with the base engine for finding out the effect of semi direct injection.The injector is mounted on the inlet manifold in such a way that the fuel is injected on the back of the inlet valve. The in-cylinder pressures were recorded for 1000 continuous cycles using a piezo-electric pressure pickup and PC based data acquisition system.The results show that the stratified mixture formation achieved by semi-direct injection results in improved engine performance and reduced emission & cycle-to-cycle variations.
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