In cylinder pressure measurement

[Andre Grandi]

Very possible and sooner than you think! I've seen some protoype spark plugs w/fiber
optics on them at the SAE Motorsport conference last year in DEEETOIT...check this out
http://www.optrand.com/intro.htm

Andre

--- Greg Hermann <bearbvd at sni.net> wrote:
> >Has anyone ever heard of anybody doing this? I was talking with someone
> >about data acquisition systems and the subject came up while we were
> >discussing methods of knock detection. I'm not to enthusiastic about being
> >able to monitor A/F ratios accurately or in realtime, and our conversation
> >kinda stuck with me.
> >
> >If anyone's ever seen or heard about somebody performing in cylinder
> >pressure measurements I'd love to hear about it. I imagine the transducers
> >would have to be pretty tough, how would they mount? What kind of sample
> >rate do you think would be needed? Best of all, who would make a sensor that
> >could take the abuse???
> 
> I have heard rumors that fiber optic technology based pressure transducers
> capable of doing real time, in chamber pressure measurement, and for a
> reasonable (production plausible) cost, are in the very near future. I have
> not got any vendor info on them, yet.
> 
> Regards, Greg>
> >
> >
> >Charles Brooks
> 
> 
> 

===

Andre
_________________________________________________________
Do You Yahoo!?
Free instant messaging and more at http://messenger.yahoo.com