Vapour Pressure

[Alex C. Peper]

Good set of humidity calculations for engines is in code of federal 
regulation title 40 section 86.344-79. available in public 
university. also has water-vapour dry volume calculation 
alex

> Date: Fri, 10 Sep 1999 15:24:29 -0700
> From: "John Dammeyer" <johnd at autoartisans.com>
> Subject: Vapour Pressure
> 
> Hi All,
> 
> Does anyone have the formulae for Vapor Pressure?  If I assume RH is 75% and can
> measure the Air Temperature inside the intake manifold what is the calculation
> for vp?
> 
> Thanks,
> 
> John
>