permaculture

[A Sampson-Kelly <april@permaculturevisions.com>]

(From a comment I made on Facebook):

Small, efficient, low pressure "whisper" fans
powered by small individual solar photovoltaic collectors mounted in a
room's windows connected to a small battery, could circulate air through
the radiator to cool or heat a room's complete interior.

there are commercial systems that do this called solarventi see on 
http://www.solarventi.com/

Also there is a system for solar airconditioning avail now in Spain and 
Germany based on
Adsorption not to be confused with absorption see 
http://en.wikipedia.org/wiki/Adsorption
you can use super hot water to cool the system.

In Granada, the Alhambra is a good example of Arabic cooling system using 
water from cooled gardens uphill, running through the rooms.

April S-Kelly

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On 30/11/2010 5:23 AM, permaculture-request@lists.ibiblio.org wrote:
> (From a comment I made on Facebook):
>
> Many aquatic plants could probably withstand and process/purify level 5
> municipal sewage mixed with stormwater (household, commercial waste plus
> runoff water from streets, roadsides (highways), parking lots, etc.). At
> least they could start the purification process reducing the effluent
> from level 5 to something lower. Then the effluent can be processed by
> progressively more aggressive biological systems known as living
> machines and constructed wetlands. At some point this purified or
> semipurified water could be made suitable for use in a Green Cooling
> System. I see this GCS as essentially a "section of natural forest with
> complete integrated functional ecosystem" installed on a rooftop.
> i.e. a glorified "swamp cooler" that uses dewatered air chilled in a
> machine that circulates that air through chambers cooled by evaporating
> water (high pressure spray). A green system could simply use water in
> radiators installed in a building's living space that cool instead of
> heat in summer and heat instead of cool in winter, obtaining heated
> water from solar collectors. The Green Cooler would consist of an
> ecologically appropriate multi layered simulated forest
> complete with fountains, waterfalls and rock-embedded stream courses
> (watercourses) allowing the water to cool and purify as it is first
> exposed to the sun then watercourses wherein temperature would be
> reduced through contact with stones embedded in the bottom and sides of
> the streams and along the waterfall then become further cooled and
> purified as it flows over and through plant ecosystems and biologically
> active soil to finally filter through a deep layered bed of stone,
> gravel, sand and bioactive aerobic fine soil (siltation pond fines
> aggregate, 100 mesh to 300 mesh) to finally be captured in a catchment
> for filtering an pumping throughout the pipes leading to the radiators
> in all the living space. Small, efficient, low pressure "whisper" fans
> powered by small individual solar photovoltaic collectors mounted in a
> room's windows connected to a small battery, could circulate air through
> the radiator to cool or heat a room's complete interior.
> Talk about stacked functions! Same system provides heat in winter and
> cooling in summer with the added benefit of becoming part of a city's
> public park system providing citizens with a prime ecotourism site
> and (fourth function) an educational site for students on any level and
> especially those participating in curricula that includes architecture,
> green building (contractors), landscape architecture,
> planning and design/construction (three different professions),
> urban gardeners, permaculturists and ecology.