MAF sensor types (was re: Re: Sensor Questions?)

[david chambers]

Tommy.Palm at oron.ds.sll.se wrote:
> 
> >Type #4 ??? - Karman Vortex (is this really a MAF?)
> >
> 
> >
> >Bryan Zublin
> >bzublin at gi.com
> >
> I made an home made Karman-Vortex after an lesson in aorodynamics, i did not
> know that any carmakers had done it before me, so this was a nice surprise to
> me. I used ultrasonics to detect the massincrease inside the wirls. In theory
> the Karman-Vortex-(its around 100 years old name,as i remember) wirls are
> induced linear to MASS-flow in an area of Reinholds number (assume you know
> what that is) that covers air density. The interesting part with this was that
> i could map the engine at all powers almost perfect w/o even starting it using
> only mathematics. Anyone interested?? I can supply formulas and Reinhold
> diagrams. I never finshed the job ( lack of reasons) but had a working MAF
> ready.
> 
> Tommy Palm
> SWEDEN
> tommy.palm at oron.ds.sll.seI would be very interested in any formula's or diagrams that help in 
mapping airflow mathematicaly
		David Chambers