Diesel Cycle engine running with gasoline

[Afonsojr]

Is it possible???

Is it possible to use systems like direct injection, common rail etc be used with gasoline as if it was a diesel engine??? it would solve problens like knock... Maybe permiting greater compression ratios, efficiency etc etc etc...

[manchild]

Perhaps I’m wrong but title of this topic contradicts the original post below… I don’t know if you thought about Otto engine running on principles/technology from diesel engines or did you have in mind diesel engines using non diesel fuel?

There are diesel engines (self igniting or fuel igniting) that do not use diesel fuel and those are usually two-stroke diesels (many of model engines are such). They run on highly flammable fuel fixture (kerosene, ether, alcohol etc.) and self ignite after reaching specific level of compression. http://modelenginenews.org/vivell/kens_vivell09.jpg

On the other hand there are modern gasoline 4 stroke Otto engines that use not only direct fuel injection but direct mixture injection which means that they also can have all 4 or more outlet valves, no inlet valves and therefore superior performance. They are still not mass produced but technology is there.

[DaveKillens]

A diesel can be defined as a "compression ignition" engine, where the actual high compression within the combustion chamber provides the ignition source. The contemporary "gas" engine is a "spark ignition" engine. Diesels usually run at a higher compression ratio, and burn less volatile fuels.
A key to making a diesel run is being able to inject the fuel at the right time into the combustion chamber. Yes, it is fuel injection, but very different than what is used in the modern "gas" engine. Fuel rails, knock, do not exist in diesels.

[riff_raff]

Best power in an SI engine is typically at stoichimetric A/F ratio, and power in an SI engine is usually "knock limited". CI engines are capable of operating at a wide range of A/F ratios and their power is usually "smoke limited".

SI engines operate close to Constant Volume combustion conditions, thus they are able to operate at very high cycle rates. CI engines operate more towards Constant Pressure combustion conditions, so their combustion tends to be sluggish, and thus they must operate at much lower cycle rates.

[Str8up]

There is a General Aviation engine that Uses the diesel cycle useing Jet A fuel (basically kero). Interestingly made by Renault.

I still would have prefered them to use diesel engines with turbo than 2.4L V8's. Audi are entering a Diesel car in the Le Mans this year, so maybe one day.

[Str8up]

There is a General Aviation engine that Uses the diesel cycle useing Jet A fuel (basically kero). Interestingly made by Renault.

I still would have prefered them to use diesel engines with turbo than 2.4L V8's. Audi are entering a Diesel car in the Le Mans this year, so maybe one day.

[manchild]

There is a General Aviation engine that Uses the diesel cycle useing Jet A fuel (basically kero). Interestingly made by Renault....

Interestingly like surprisingly?!

http://www.abc.se/~katriina/aero.htm

[DaveKillens]

There is a General Aviation engine that Uses the diesel cycle useing Jet A fuel (basically kero). Interestingly made by Renault.

Market conditions dictate the aviation engine requirements for fuel. You must remember, that once the aircraft is sold and leaves the factory, it could wind up anywhere in the world, in any kind of economic or environmental conditions. In some parts of the world, you would be lucky to find any kind of high grade fuel. But in some airports, they have discontinued, or have very little stock of avgas. Most major airline terminals are like that, lots and lots of jet fuel, but very little avgas. So an operator would be wise to have an aircraft that is able to use that fuel, even if they are running reciprocating piston engines.

[riff_raff]

Check out this oil burner:

http://www.autoweek.com/news.cms?newsId=103791