[Healeys] Fuel Injection Technology

Alan Seigrist healey.nut at gmail.com
Wed Mar 10 21:56:09 MST 2010


> Rick -
>
> Actually, this is much different than the magnets in the line classified ad
> we've all come to know and love... but I know what you mean.
>
> Matter that is in a "Supercritical" state is actually something quite real.
>  Depending on temperature and pressure, you can put fluids into gaseous or
> solid states well outside of their standard parameters.  Frozen CO2 is an
> example of a material that exists well under it's "critical" pressure at 1
> ATM - regardless of temperature it can't exist in fluid state, it will
> either be solid (if cold) or gas ( if warm).   You have to add pressure to
> get it in a fluid state.
>
> If you play with the input pressure/temperature and inject into the piston,
> you could easily create a set of circumstances where the petrol instantly
> turns to vapor rather than having to be atomized like a normal EFI system.
>  For example if they heat the fuel to a very high temperature, but apply
> something like 20 ATM to keep it fluid, when you inject it into a compressed
> piston at 10 ATM it could instantly vaporize.  I think there is alot to be
> said about what this guy is talking about:
>
> http://en.wikipedia.org/wiki/Critical_point_(thermodynamics)
>
> And because the combustion happens so late in the cycle (and finishes early
> in the cycle), you can really reduce heat losses with his system.
>
> Yes, you are right that this could be BS, but the general science behind
> what he is talking about is very real.
> <http://en.wikipedia.org/wiki/Supercritical_fluid>
> Alan
>
> '52 A90
> '53 BN1
> '59 Jag Mk IX
> '64 BJ8


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