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Effect of HHO gas on combustion emissions in gasoline engines

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hydrogen fuel systems for cars

HHO gas on combustion emissions

Reducing the emission pollution associated with oil combustion is gaining an increasing interest worldwide. Recently, Brown’s gas (HHO gas) has been introduced as an alternative clean source of energy. A system to generate HHO gas has been built and integrated with Honda G 200 (197 cc single cylinder engine). The results show that a mixture of HHO, air, and gasoline cause a reduction in the concentration of emission pollutant constituents and an enhancement in engine efficiency. The emission tests have been done with varying the engine speed. The results show that nitrogen monoxide (NO) and nitrogen oxides (NOX) have been reduced to about 50% when a mixture of HHO, air, and fuel was used. Moreover, the carbon monoxide concentration has been reduced to about 20%. Also a reduction in fuel consumption has been noticed and it ranges between 20% and 30%.

HHO gas on combustion emissions

Global warming is considered one of the major problems the scientific community has to face. Many theories refer to the in-crease of exhaust gases concentration in the atmosphere as one of the major causes of the global warming [1]. Industrial plants and automobiles are the major source of the exhaust gases. Since they utilize the power associated with oil combustion as energy source. Emissions are simply the exhaust or leftovers of combustion coming out of an engine. An emissions test is normally done with a probe placed into the exhaust stream. Every road going vehicle has certain clean requirements that it is required to meet

 Conclusion

Experimental tests to investigate the effect of HHO gas on the emission parameters of a Honda G 200 engine have been carriedout. HHO gas has been generated by an electrolysis process in a Plexiglas box (fuel cell). The generated gas is mixed with a freshair just before entering the carburettor. The exhaust is sampledbyagasanalyserandtheexhaustconstituentshavebeenidentifiedand their concentrations have been evaluated. The following con-clusions can be drawn.1. HHO cell may be integrated easily with existing engines systems.2. The combustion efficiency has been enhanced when HHO gashas been introduced to the air/fuel mixture, consequently reducing fuel consumption.3. The concentration of nitrogen oxide has been reduced toal most 50% on average when HHO is introduced to the system.

4. When HHO is introduced to the system, the average concentra-tion of carbon monoxide has been reduced to almost 20% of the case where air/fuel mixture was used (no HHO).

5. The NO X  average concentration has been reduced to about 54%of the case where HHO was not introduced

6. H C concentration is highly affected by the engine speed and the presence of HHO gas

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