Quote:
Wax-based heat storage for buildings

Everybody visiting an old church or temple has
experienced the cooling effect of thick walls.
On the other hand, heat waves particularly
affect buildings constructed in lightweight
materials. The walls cannot absorb much thermal
energy, causing room temperatures to increase
rapidly in summer. Researchers at the Fraunhofer
Institute for Solar Energy Systems ISE have
found a way to pack the temperature-balancing
effect of thick walls within a millimeters-thin
layer of plaster.

The specific latent heat of plastic-encapsulated
wax balls can be most usefully exploited in the
walls of lightweight-construction buildings.
End quote.

Details:
http://www.globaltechnoscan.com/30thJuly-5thAug03/heat_storage.htm

Dennis Law
(aka Paul D. Law)

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