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Does a hole work better for creating a toroidal vortex, where the fluid starts to turn as it exits, than a pipe, where the flow inside is more laminar. Some high power vortex guns have a cone shaped barrel. So, is a cone better?

enter image description here

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  • $\begingroup$ I think a hole may be better. $\endgroup$ – Naga Sandesh Goli Oct 7 at 11:04
  • $\begingroup$ Thank you. Do you have any idea why they use a cone on the high power ones? $\endgroup$ – Peter McMahon Oct 11 at 0:30
  • $\begingroup$ The main reason behind using that cone shape is to make it more efficient. $\endgroup$ – Naga Sandesh Goli Oct 12 at 5:27
  • $\begingroup$ There will be some dead gas left inside the circular one. It can be seen easily in liquids, the same holds here. $\endgroup$ – Naga Sandesh Goli Oct 12 at 5:32
  • $\begingroup$ But this cannot occur in the cone shaped ones. Because the shape of the surface the area of gas travelling. $\endgroup$ – Naga Sandesh Goli Oct 12 at 5:34
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enter link description here

Hope this image help you!!!

The thing here assume the pipe only one side, gas is moving similar to given image. If it is a cone then you can see that almost all the gas entering leaves out. Hence the power is also increased.

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