INVESTIGATION OF THE EFFECTS OF HYDROGEN ADDITION ON PERFORMANCE AND EXHAUST EMISSIONS OF DIESEL ENGINE

INVESTIGATION OF THE EFFECTS OF HYDROGEN ADDITION ON PERFORMANCE AND EXHAUST EMISSIONS OF DIESEL ENGINE

http://www.fisita.com/students/congress/SCpapers/sc11.pdf

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So, is there a follow-up to this study in regards to the increased smoke, and how we can combat that? Would the introduction of a DEF system stop that?

I'm wondering if the smoke is due to the addition of pure hydrogen gas, which in effect uses part of available oxygen for burning the diesel fuel, thus enriching the fuel-air ratio, the smoke. It would have been nicer if the experimenters also fed enough O2 for the combustion of H2 in such quantities as not to deprive the diesel fuel of its combustion requirements.
Already we can see an increase in power with the addition of H2 despite the consequent reduction of available O2 for fuel combustion. Had the students fed HHO instead of H2, a different result could be obtained.

They used  oxyhydrogen from common duct alkaline electrolysis. Not just Hydrogen.

And smoke increased!

I used a similar gas and smoke was reduced ..substantially.

Smoke test was conducted by official emission test standard in China.

Interesting. The gases mixture  should be closely identified to know what composition is the best. 

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