A freeflow intake filter like a K&N filter lets more air enter the engine. Now if you remember my previous posts, you'll recall that letting more air enter the cylinder will make it run lean. Since in most cases the fuel is anyway already almost completely burned, you're now left with too much oxygen. This is bad, since the fuel will now burn much hotter than what it does otherwise. Ask anyone around about driving a bike with a K&N without rejetting, they will all tell you their engine fried within 6 months. This is because a lean burn causes too much heat and doesn't gain you anything. So that's why, K&N means having to rejet.

Even if hydrogen improves the quality of the fuel burn, the improvement will only be within the max 2% of unburnt fuel that exists. Add to that the energy you have to spend to generate the hydrogen and you'll see where the equations go wrong. You will have spent more energy than what you can recover by improving the combustion efficiency.

But don't let me discourage you. Please do build the apparatus and post the results in a scientific manner. (That is the same bike, with and without the added hydrogen. Preferably under controlled conditions.)

Now, science does not speak in qualitative terms. It understands only quantitative terms, i.e. numbers. So, quality of burn does not describe it.

What you want to do is to burn hydrogen in the combustion chamber along with petrol. Now, you will need to decrease the amount of petrol because the oxygen in the air being the same can not support the extra hydrogen. So, essentially you are replacing petrol with hydrogen.

Now energy content of Petrol is 47 MJ/kg. That of hydrogen is 13 MJ/kg. Straight away the engine loses power. Second thing, H2 tends to detonate under combustion. That can destroy an engine. So, a diesel engine is a better choice for this experiment, including other reasons. Thirdly, you need power to create H2 from water. And you want to generate it using the same engine. Now, when you split H20 into H2 and O2 and combine them again and claim to gain some energy, it is just not possible according to First Law of Thermodynamics. Energy can not be created for free.

These are my doubts. I rest my case here. Wish you and your professors luck.

PS. - I wish to know which college are you from?

To all

To everyone who took part in this discussion......

I am stopping the work on my project.....No one seems to be giving suggestions that are encouraging, but discouraging.....Sorry..

Community moderators, please close this topic....

Thank you all.

Don't take things so harshly. It is not possible to bend the laws of nature. That's what we have been trying to make you understand. The project itself is interest as a research project. To see if it does make any difference.
However, you should start with the right expectations and knowledge of what you are trying to accomplish. Without that you will run into disappointment or even physical harm. A hydrogen/oxygen mixture is explosive and, when combined with hot parts from an engine and electricity, is not something to underestimate.

Well, havent you heard somewhere, "MORE IS NEVER ENOUGH..."

d00d roshanvallappillil I have been reading your posts silently till now.....see you have ur side arguments and those are welcome here....but IMO ur posts more sound like people here are trying to discourage you.....try to understands everyone's comment in light sense.......No nobody is trying to discourage you here

considering dat 150cc engine sucks in 150cc of air per 4 strokes.. at idling speed itself abt 1000 rpm , 250cc of both hydrogen and oxygen per min must be available. even if you inject it just wen necessary(lik nos) you woud still need a massive tank to carry around which would null the whole thing anyway

Andante has explained the problem very clearly. The fuel energy is lost mostly through the exhaust, and through heat transfer to the surroundings. Only 25-30% of the fuel energy is harnessed as mechanical work. And this is something which happens even if you burn 99% of the air-fuel mixture.
@Roshan - Carbon formation in the cylinder is normal! There are a lot of crevices and grooves in the cylinder like valve-seats, spark plug threads, clearance between piston and cylinder wall etc in which the air fuel mixture never burns completely because of the flame getting quenched before it reaches these outer regions of the combustion chamber.
Also, a single cylinder 200cc 4 stroke engine running at wide-open-throttle at 6000 rpm consumes around 8.4 litres of air per second considering Volumetric efficiency of 0.9 and air fuel ratio of 14.7. What is the target hydrogen generation rate you are looking for?

to thrash the idea more... mate you cant rely on a forum to tell you whether you should work on a project or not. You wanna work on it, then you work on it irrespective of the naysayers and mud slingers.. Go ahead do it..

Dont back out just because we said so... Prove us wrong.. that would be fun!!

see, not to discouarage anyone but understand one simple fact,
no engine on earth can be 100% efficient (or even close)
so, in simple terms you will need energy to break down water into H2 & O2., and then you need to combine them to produce energy in your cylinder.
as an engine can never be 100% efficient, you will end up recieving less energy than what you have already spent to break down water into H2 and O2, so you will end up having an even less efficient engine than what you started with.

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