[Diy_efi] Re: Diy_efi digest, Vol 1 #228 - 9 msgs

[Brian Dessent]

> > Anyone know the modulus of elacticity for gasoline?
> 
> I just did a google search on "gasoline compressibility", the second
> result is a paper that describes the numerical simulation of a
> diaphram/cam type fuel pump.
> <http://www.delphi.com/pdf/techpapers/2000-01-1047.pdf>
> 
> They use a "slightly compressible" model for the fluid, they give some
> details of what that means.  They use 959MPa for the bulk modulus.

So, thinking about that a little more: a 6 foot column of fuel
compressed by 45psi would have a change in length of about 0.023", if my
math is right.

Brian

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