alternative engines, now Hemi

Todd....!! atc347 at c-com.net
Mon May 24 15:51:17 GMT 1999


People who run Alcohol engine's (most of em are in some sorta drag
racing) who have no radiators at all on their engine's say they have a
hard time gettin the temp gauge to read any heat at all!

Alcohol must burn REALLY COOL!

LATER!

Todd....!!

--------

William T Wilson wrote:
> 
> On Fri, 21 May 1999, Gary Derian wrote:
> 
> > Engine research using ceramics is headed toward an adiabatic engine.
> > That is one which needs no cooling system.  This keeps the fire hotter
> > during the power stroke since no heat is absorbed by a cooling system.
> > I would think this would actually increase propensity for detonation.
> 
> It doesn't, necessarily, because the nice thing about an adiabatic engine
> is that having a hot fire during the power stroke hasn't got anything to
> do with the temperature inside the cylider during the intake/compression
> stroke.
> 
> If the engine needs no cooling system, then that means that heat isn't
> building up inside it (which is good, because all that energy can go into
> useful work instead of out the radiator).  Since heat isn't building up
> inside it, that means all the generated heat is getting blown out the
> exhaust, and the inside temperatures are nice and cold when the next
> charge comes through.
> 
> Ceramics have extremely high tolerance for heat, and relatively low heat
> transfer rate.  Which means that heat generated in the power/compression
> strokes doesn't have *time* to get transferred into the engine itself.





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