Index of Educational Videos
The following video tutorials may be viewed using the
Adobe Flash Player
Speed. Effective pumping performance is determined experimentally using the
relationship between Q (throughput or mass flow), Pressure and Pumping Speed.
Pressure Control in Vacuum Systems. This is a brief overview of closed-loop
pressure control as applied to vacuum process systems. Included are a number of
video captures that show actual system response to changes in set point using a
variety of tuning parameters.
Gas Flow Through an
Orifice. This tutorial discusses orifices in the choked and unchoked
conditions. Included are several video captures that show orifice flow
characteristics in a couple of different test configurations.
©2008 Stephen P Hansen, the Bell Jar