I am converting a conventional four stroke engine into six stroke engine. Two dummy stroke will be adjusted after implementing new camshaft and new spark timings. I have decided to inject water at high pressure around 200-500 bar in 5th stroke. I think, it will give us a little expansion, reduce temperature and sweep out the residual gases.
Can I use any other liquid in second injection in the 5th stroke instead of water to get more power, lower temperature and sweeping out emissions?
Will water make the system corrosive?
Yes Devaraj Sir,
Superheated heat is a good option. And we can made it with the help of exhaust gases.
Second thing - Condensation in cylinder can be removed by supplying hot air from the blower. This air is passed over the exhaust pipe and carried away the moisture content in valve overlap cases or by using any shutter which will open after ignition off.
if you have any relevant idea than please share with us.
At first find enthalpy of steam at 500bar and 500C, next find enthalpy at 1 bar and final temperature at expansion stroke ffollowing the rules for adiabatic process. Next, calculate steam flowrate to the cylinder, multiply it with enthalpy difference and compare with heat that would be potentially recuperated from the exhaust gases. And now the most important, you should estimate the size of the steam generator installed on the exhaust manifold. I did it years ago and found the power profit is not atractive if compared to both investment costs and weight of the steam generator.
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