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PERFORMANCE AND EMISSION CHARACTERISTICS OF BROWN’S GAS ENRICHED AIR IN SPARK IGNITION ENGINE

PERFORMANCE AND EMISSION CHARACTERISTICS OF BROWN’S GAS ENRICHED AIR IN SPARK IGNITION ENGINE

E. Leelakrishnan, N. Lokesh, H.Suriyan Student of Automobile Engineering, Sri Ram Engineering College, Anna University, Chennai, India

International Journal of Innovative Research in Science, Engineering and Technology

Abstract:

The world is facing declining liquid fuel reserves at a time when energy demand is exploding. As the supply decreases and costs rise, everyone will be forced to adopt the alternative energy resources. In order to achieve a secure and stable energy supply that does not cause environmental damage, renewable energy sources must be explored and promising technologies should be developed. Considering various gaseous fuels, Brown’s gas produced by the electrolysis process has the high potential for cost effective and emission aspects. It is identified as the one of the best partial alternate gaseous fuel to be enriched with intake air in a spark ignition engine or compression ignition engine. The present investigation involves the usage of Brown’s gas in SI engines. The experiment was carried out in a 100 cc single cylinder air cooled engine at 1500 rpm for various loads. The performance characteristics such as Brake thermal efficiency and Specific fuel consumption and emission characteristics such as Carbon monoxide (CO), Unburnt hydrocarbon (UBHC), Smoke (BSN) and Oxides of Nitrogen (NOx) were studied. The results are compared and found that the Brown’s gas enriched operation gives better results when compared with conventional engine operation.

Conclusions:

It is evident from the study that it is advantageous to use Brown’s gas enriched air as a fuel in internal combustion engines. Significant impact on brake thermal efficiency and brake power is observed upon the addition of Brown’s gas enriched air. Fuel consumption and other emissions viz: NOx and smoke emissions are reduced to considerable amount.

From the experimental work the following conclusions were made.

  • At full load, Brake Power for Brown’s gas enriched engine operation gives 5% higher than conventional engine operation.
  • At full load, Brake thermal efficiency for Brown’s gas enriched operation gives 7% higher than conventional engine operation.
  • Total fuel consumption for Brown’s gas enriched operation at full load gives 6% lesser than conventional engine operation.
  • Specific fuel consumption for Brown’s gas enriched operation at full load gives 11% lesser than conventional engine operation.
  • Unburnt Hydrocarbon emission for Brown’s gas enriched operation at full load gives 88% lesser than conventional engine operation.
  • Carbon Monoxide emission for Brown’s gas enriched operation at full load gives 94% lesser than conventional engine operation.
  • At full load, Oxides of Nitrogen emissions for Brown’s gas enriched operation gives 58% lesser than conventional engine operation.
  • At full load, Smoke emission for Brown’s gas enriched operation gives 18% lesser than conventional engine operation.
  • This makes it possible to run the engine leaner, resulting in reduced pollutant level of Carbon Monoxide (CO),
  • Unburnt Hydrocarbon (HC). This work proves that using Brown’s gas enriched air in internal combustion engine is significantly advantageous compared to Gasoline.

This makes it possible to run the engine leaner, resulting in reduced pollutant level of Carbon Monoxide (CO), Unburnt Hydrocarbon (HC). This work proves that using Brown’s gas enriched air in internal combustion engine is significantly advantageous compared to Gasoline.

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