RE: [HoE] Re: Sensors

["Patrick Phalen" <pphalen@gti.net>]

>No, imagine a closed cylinder with a number of holes.  Imagine air being
>forced out of each hole at a constant pressure.  Now put a sensor on each
>hole to pick up the rate of air flow.  When an obstruction comes
>into close
>proximity to one or more holes the airflow from those holes will be
>restricted.  The drop in airflow will register as "feeling" something.

The airflow would be diverted, not necessarily "blocked"
That's about all I can say, because I don't want to get into the whole
"Compressible flow" thing...


Patrick "Reynold's number, we don't need no steenking Reynold's number"
Phalen