[Greenbuilding] Bamboo Floor, Radiant Heat and Thermal Mass
nick pine
nick at early.com
Tue Mar 1 17:22:14 CST 2011
Alan Abrams writes:
> ... it then becomes a question of whether the space is subject to
> overheating during sunlit hours...
> the answer could be approached by careful modeling using a system
> that could factor in all
> variables, including type of glazing, overhangs, etc.
On an average July day in Phila, 820 Btu/ft^2 of global sun falls on a
south wall, and 580
of that is diffuse, ie it comes from all over the sky, so external
curtains (eg 80% greenhouse
shadecloth) can assist overhangs, especially on east and west walls.
Nick
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