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I’ve seen people blowing smoke rings and dolphinsblowing bubble rings I was wondering if it was a physical possibility to do thesame thing but through soil or sand or whether its too dense.
What exactly is a vortex ring? Is it ashock wave of force carrying another substance or is it an actual particle flow
Furbs
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Vortex rings through ground?
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#2
20 June 2011 - 11:05 AM
swansont 
Shaken, not Stirred
Air bubbles and smoke rings are different substances than the medium, so I think it's clear that it's actual flow rather than a density fluctuation.
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#3
20 June 2011 - 12:57 PM
imatfaal
Primate
You can get fairly coherent ring vortices with a single substance though.
http://en.wikipedia....iki/Air_bazooka
We had one similar to these one Christmas - and you could knock down Greetings cards from at least 20 feet
http://en.wikipedia....iki/Air_bazooka
We had one similar to these one Christmas - and you could knock down Greetings cards from at least 20 feet
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#4
20 June 2011 - 08:58 PM
ewmon
Baryon
Mad_Furby, on 20 June 2011 - 10:36 AM, said:
I’ve seen people blowing smoke rings and dolphinsblowing bubble rings I was wondering if it was a physical possibility to do thesame thing but through soil or sand or whether its too dense.
imatfaal, on 20 June 2011 - 12:57 PM, said:
You can get fairly coherent ring vortices with a single substance though.
Fairy
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#5
21 June 2011 - 09:54 AM
imatfaal
Primate
A little learning is a dangerous thing; drink deep, or taste not the Pierian spring:
there shallow draughts intoxicate the brain, and drinking largely sobers us again.
- Alexander Pope
feel free to click the green [+] ---->
there shallow draughts intoxicate the brain, and drinking largely sobers us again.
- Alexander Pope
feel free to click the green [+] ---->
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