[NewCandle] gyro-bubbles

[Nick Reiter]

Hello, all,

Been extremely consumed with domestica and lab
matters, (apologies to Keith and Fred), and thus have
not gone much further with either aluminum hydrolysis
or Fred's experiments.

However I got a call last night from Sam Faile, and
felt it warranted passing on.

It came on the heels of a slight altercation Sam had
with the local fire marshal and his apartment manager
- they prohibited him from running more hydrogen
generators in his apartment, due to ventilation and
safety concerns.  However, the fire marshal did allow
him to finish watching a large H2 bucket, as long as
it was outdoors on the patio.

Sam noticed something about that time, in his parge
bucket reactor.  Now the aluminum "fuel" he was using
was 200 ft rolls of Al foil bundled together.  What he
noticed was that small bubbles rising from the roll
ends would rise straight up through about 6 inches of
water to the surface.  However, certain larger
bubbles, generally over 1/2 inch across, would gyrate
or follow a spiral path perhaps an inch wide up to the
surface, as though they were caught in a vortex.  Sam
didn't say whether the spiral path was left or right
handed, or whether it followed the handedness of the
foil roll.

I'm hoping to see this for myself at some point, to
get an idea about it - it may just have been
fortuitous flow patterns in the salt water.  But maybe
not.  Any notions?

N


       
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