h a l f b a k e r y
Recalculations place it at 0.4999.
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The windmill directly drives an air
compressor. The compressor cylinders are
in a water tank so the heat of compression
is used for heating hot water. The stored
compressed air is used by a air motor
driving a generator. The air exhaust from
the motor is cold, so it can be used for
you get water heating, refrigeration and
electricity, plus lots of compressed air for
air tools, all from the wind.
Hilsch vortex tube
Sorts hot and cold molecules in a compressed air stream, so you can get heat and cold from compressed air [macrumpton, Oct 04 2004, last modified Oct 05 2004]
this pump has no moving parts, other than an air compressor driven by the windmill [BunsenHoneydew, Jul 16 2005]
.. another clue
From Otherpower [BunsenHoneydew, Jul 16 2005]
||The wind's dying down, keep pedaling Gilligan.
||Energy can be stored in compressed air tanks as easily as in batteries, and they would last longer. If a lot of cooling is needed an small air-cycle-machine would work as used in most aircraft to convert compressed air from the turbines into cold air.
||Re: Cool exhaust
I think you could run the exhaust over
the surface of the tank to cool it, or you
could run the exhaust through a Hilsch
vortex tube that would give you
freezing air as well as very hot air.