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Re: Trombe wall efficiency
In article <3s67bb$ffa@vu-vlsi.ee.vill.edu>, nick@vu-vlsi.ee.vill.edu
(Nick Pine) wrote:
> Nick Pine <nick@vu-vlsi.ee.vill.edu> wrote:
>
> Here's a small picture, a view from the East, say:
>
> --------------- ^
> 132F <=O= <| | up 32F 311 Btu/hr/ft^2
> | <| ^ | < --- Sun
> | | ^<| |<-Polycarbonate plastic
> | | <| ^ |
> house | ^<|<--|--80% shadecloth
> 16' z z z i South
> | <| ^ |
> | |<--|---|--Original house wall (clear enough? :-)
> | _<| ^ |
> 68F ==I====> |
> -------------------------------------------
> | 3" |
>
> Nick
Wouldn't black painted metal be better than shadecloth at absorbing heat
and radiating the heat absorbed?
I've built a unit several years ago with painted beverage cans with mild
success. I think that a large heat sink (made from scrap sheet metal)
would be most effective.
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