[Vwdiesel] New engineMark Shepherd mark at shepher.fsnet.co.ukFri Apr 15 11:46:02 EDT 2005
> This more detailed description was also on the site. > so far I only have one question: > Does preheating the air through the heat exchanger have any increased > benefit over using a turbo to add more air in? > ____________________- > > Well, unless you use a rotary lock or some sort of device to keep the air > stuffed into the engine, the preheatment would just result in less air > intake overall, and barely any pressure, no? I know the diagrams are > overly simplified, but inside the heat exchanger, if the air takes up more > space, to get to 6atm. you would need to trap it in there somehow... sort of > like a supercharger, or positive displacement pump working as an airlock. > -J Preheating will not increase the energy from the compressed air, except by the energy spent in heating. -Val Val this is what I thought; I'm thinking an exhaust powered compressor would be better. Just didn't want to look stupid[er than my usual zany self] I need to appear to know what I'm talking about (8^D)
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