> determine the feasibility of using a 2,200-ft-deep
> inactive mine near Norton, OH, as the
> storage vessel for a compressed-air energy-storage
> power plant.

Hmm.  Sounds inherently ineffecient unless they spend a lot of money on
thermal insulation.  Otherwise a good portion of the energy will go into
heat into the rock when air is pumped.  The rock will then be cooled
slightly when the air is released.


********************************************************************
Olin Lathrop, embedded systems consultant in Littleton Massachusetts
(978) 742-9014, olin@embedinc.com, http://www.embedinc.com

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