So Im looking to build something and I need to know if you were to suck air through the bottom of a cone shaped object could it produce a reasonable amount of compression (about bar gauge or higher) or would the air have to be forced into the cone shape from the large end to produce the compression?
Update:
.Traffic cone or similar shape object.
.High power pump or vacuum.
.Attach the end of the cone with the lower cross sectional area to the vacuum side of pump (Suction side of vacuum)
.Find a power supply for the pump or vacuum and connect them.
.Turn the pump on.
. Measure pressure (gauge) about or mm from the connection between the cone and Vacuum/pump on the cone side.
.Record outcomes.
.Process data.
.Communicate results.
Would it be possible to get results showing a pressure of bar (gauge) or higher?
✅ Answers
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Based on my understanding of your idea the only thing that will produce any compression will be the discharge side of the vacuum pump.
You might as well toss the cone out the window because it is not doing anything. The vacuum pump will be pulling vacuum at the small end of the cone and not producing any positive pressure at this point.
Your question is beyond comprehension.
Break it into short meaningful sentences with a full stop at the end of each.