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thermoelectric or non dry ice cooled cloud chamber?

thermoelectric or non dry ice cooled cloud chamber? - Physics Forum

thermoelectric or non dry ice cooled cloud chamber? - Physics Forum. Discuss and ask physics questions, kinematics and other physics problems.


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Old 09-09-2007, 11:11 AM
John Roentgen
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Default thermoelectric or non dry ice cooled cloud chamber?



This post covers two topics: finding/ building a cloud chamber with
thermoelectric cooling and a cloud chamber based on non dry ice cooling,
such as using a rubber bulb. The first part of the post will inquire about
a thermoelectric based cloud chamber.

I am trying to find or, prefereably, build a cloud chamber that uses
thermoelectric/ peltier cooling instead of dry ice. I am a hobbyist, so
cost is an issue which is why I prefer to DIY. The closest devices I have
been able to find so far are ready made and DIY here, respectively:

[Only registered users see links. ]

[Only registered users see links. ]

In the former case, expense is the deterrent; in the latter, I find the
instructions too vague to pursue and it appears they had much difficulty
getting it to work.

For a time, I thought an ultrasonic humidifier, since it easily creates
mist, might serve as a cloud chamber with modification but it appears that
isn't the case since supercooling is one of the requirements.

Therefore, in summary, I'm either looking for a cost conscious
thermoelectric cloud chamber or easy to follow plans to build one myself.

If anyone has information in this regard, thank you in advance.

I am also looking into an expansion cloud chamber, which uses a rubber bulb
or a similar project using a "canteen":

[Only registered users see links. ]

[Only registered users see links. ]

However, from what I understand, these two aforementioned examples will
allow particles tracks to be visible for a very short period of time ~1-2
seconds and I desire something longer than that (having not built either of
them, I don't know how long the tracks would last).

I would appreciate any information on these projects also.

Once again, thanks in advance,

Will Holden


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chamber , cloud , cooled , dry , ice , thermoelectric


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