Quote:
Originally Posted by whitevette
Long story short : I finally was issued two US Patents on my concept ... and can tell you : No, the addition of more water vapor to the intake air will not affect your engine / exhaust system. The IC engine (ICE) already generates huge amounts of water vapor in the combustion of gasoline...so there is no problem. I was able to generate so much water vapor, the spark plugs shorted ( no spark) and the dyno engine just stopped running ( like the key had been turned off!). This was about 1:1 liquid gasoline to liquid water ( by volume). This is damp!! A true supersaturization of water vapor in the air.
Comments?
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The addition of water to your intake can cause problems with your engine. Even with a proper water injection systems you must be careful. You must allow the engine to get up to temp before you turn it on and allow sufficient time for the engine to run with out water injection to boil off any water that has been mixed in with your oil before you shut the engine down.
I also think its important to point out that water formed by combustion is created by an exothermic reaction with more than enough energy to keep it in a gas phase until it leaves the exhaust. Any water that enters the cylinder in liquid form will absorb heat from the combustion. To much water and it will prevent all the water from boiling and it will reduce exhaust temperatures to the point the water will condense in the exhaust.
There are several papers on water injection done by the N.A.C.A and can be found under the subject of internal coolants. It is also important to note that rust inhibitors are often mixed with water in water injection systems to mitigate damage to engines.