Recent content by Dag Jakobsen

Just what I was thinking! I've made a similar design of 100mm PVC waste pipe (totally open bottom) and there was definitely a great deal of vacuum. I tested with holding a match just in front of the steam inlet and the flame went out immediately. The nozzle used was way too small to cool the...

Has one considered the Venturi effect. If you increase the speed (of air, steam) the pressure decreases and thus make a vacuum. But this requires the flow not to be restricted in any way. I would think that if you omit the hose barb in the bottom and keep the bottom completely open you will...