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Effect Of Addition Of Oxygen Enriched Hydrogen Gas Produces By Electrochemical Reaction In The Reduction Of Pollutants From A DI Diesel Engine

Effect Of Addition Of Oxygen Enriched Hydrogen Gas Produces By Electrochemical Reaction In The Reduction Of Pollutants From A DI Diesel Engine

SR. Premkartikkumar*, K. Annamalai, A.R. Pradeepkumar

Department of Automobile Engineering, MIT Campus, Anna University, Chennai, India

Correspond with .author: premthermal46@gmail.com Tel: +91-44-22234809, Fax: +91-44-22475070

Abstract:

The present investigation related with the enhancing of combustion phenomena of DI diesel using Oxygen Enriched Hydrogen Gas. Here the Oxygen enriched hydrogen gas was produced by the process of electrochemical reaction-electrolysis. The produced gas was aspirated into the combustion process of mineral diesel along with intake air, at the flow rate of 4.6 lpm. The results show that the fuel consumption gets decreased and simultaneously, engine-out pollutants come down by the addition of Oxygen enriched hydrogen gas with warm diesel fuel induction. When, the diesel fuel temperature was increased from 25 C to 35 C, total fuel consumption of the test engine decreased by 15.76%, unburned hydrocarbon emission decreased by 25.76%, smoke emission decreased by 33.33% and the NOX emission increased by 19.52%.

Conclusions:

From the present experimental investigation of using oxygen enriched hydrogen gas of 4.6 lpm with warm diesel fuel in the combustion process of the DI diesel engine resulted in, decrease in the fuel consumption and reduction of all engine-out pollutants except oxides of nitrogen (NOX). Since, when oxygen enriched hydrogen gas is used in the combustion process of mineral diesel, due to enhanced combustion phenomena, the pressure and the temperature developed during the combustion is more, resulting in more NOX emission. When 4.6 lpm of oxygen enriched hydrogen gas is introduced in the combustion process along with FT35 results,

  • The CO emission decreases from 0.13% vol. to 0.1% vol., by a decrease of 23.08%.
  • The UBHC emission decreases from 66 ppm to 49 ppm, by a decrease of 25.76%, as a result of addition of oxygen enriched hydrogen gas.
  • The NOX emission increased by 19.52%, due to enhanced pre-mixed burning phase.
  • The smoke emission reduced substantially by 33.33 %.

 

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