Trying to operate a halogen lamp underwater says "thermal stress - crack"
to
me!
The exact power dissipated, while nice to know, isn't important in this
experiment. All I'm looking for is a relative but definitive maximum, so
we
know which cap value extracts the most power from an NST. A photocell
does
that nicely (subject to concerns of chaotic variations), and should I care
later about actual power, it would be an easy exercise to run straight AC
through the lamps and plot the input power vs. photocell resistance.
Yeah,
I'll do that too so I can talk about actual watts.
Regards, Gary Lau
MA, USA
On Thu, Jul 29, 2010 at 7:27 PM, David Rieben <drieben@xxxxxxxxxxx> wrote:
Hmm,
Good points, Scott. Could the bulbs possibly be
submerged or partially submerged in an exact
amout of water while lit up and then measure the
thermal rise of the volume of water? Something
about this setup cries "electrocution hazard" to me,
but just a thought.
David Rieben
PS: Adam's "yurtle turtle" mention of measuring the
brilliance of the bulb seems to be about the most
straight forward approach, assuming that the lux
meter and its proper calibration are not prohibitively
costly.
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