Comments posted by gargravarr

2 comments

Sort by: newest first or most popular first

Picture of gargravarr14 achievements

+4 1. gargravarr commented 15 years ago on video Vortex Smoke Ring Collision

#3 From the looks of the video and the reynolds number mentioned at the sart of the video, i think the experiment was conducted in water/liquid.
Vortex rings are achievable in most liquids and gases that aren't too viscous. quite a few aerodynamic experiments are done using water as it lets you use slow everything down while still getting relevant results for air (it's all about having using the same reynolds number).

#4, have a look at vortex rings on wikipedia
Picture of gargravarr14 achievements

+8 2. gargravarr commented 15 years ago on video Laser pattern sound test

for further information, see here: http://www.k2.t.u-tokyo.ac.jp/perception/StickyLight/