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Re: Feasible new approach to solar power use? - Metal bars thermal - Page 8

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Posted by Mike Hennessey on January 17, 2009, 1:31 pm
 
On Fri, 16 Jan 2009 10:09:08 -0600, david.williams@bayman.org (David
Williams) wrote:


The compressibility is small enough to be ignored.  

From:  http://hyperphysics.phy-astr.gsu.edu/HBASE/tables/compress.html

"Compressibility is the fractional change in volume per unit increase
in pressure. For each atmosphere increase in pressure, the volume of
water would decrease 46.4 parts per million. The compressibility k is
the reciprocal of the Bulk modulus, B. (Data from Sears,Zemansky,
Young and Freedman, University Physics, 10th Ed., Section 11-6. )"

The bursting point of the weakest component in this lash up would
determine the maximum load which could be lifted.  The lift would
be generated by the increase in pressure on the piston.  

Mike


Posted by Bruce Richmond on January 17, 2009, 11:05 pm
 
On Jan 17, 11:47am, david.willi...@bayman.org (David Williams) wrote:

I read about the alternate forms of ice in "New Alchemists:, The:
Breaking Through the Barriers of High Pressure" by Robert M. Hazen.

http://tinyurl.com/8yhvjs

As I recall some of those alternate forms exist at higher than room
temperture.

Bruce

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