[permaculture-oceania] Trombe walls demonstrated

[April Sampson-Kelly]

Yes Robyn has the key difference spelt out.
a good site i have always liked is :
http://www.allanstime.com/SolarHome/index.html#1 David Allan's Solar Home.
he demonstrates how his
(1) Trombe Wall • (2) Solarium • (3) Photovoltaic • (4) Hot Water Panels •
(5) Eutectic Salt Chamber • (6) Berm Insulation • (7) Passive Solar Air
Conditioner work.
David Allan's Solar Home

side view
click on number for description below

  (1) Trombe Wall • (2) Solarium • (3) Photovoltaic • (4) Hot Water Panels •
(5) Eutectic Salt Chamber • (6) Berm Insulation • (7) Passive Solar Air
Conditioner


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-----Original Message-----
From: permaculture-oceania-bounces at lists.cat.org.au
[mailto:permaculture-oceania-bounces at lists.cat.org.au]On Behalf Of Robyn
Francis
Sent: Wednesday, 2 August 2006 9:08 PM
To: promoting permaculture and sustainable living in the oceania region
Subject: Re: [permaculture-oceania] Trombe walls


The solar box collector is a box-like device added or built into to a
building which works on the same principles of heat collection and
convection as a Trombe Wall during the day but provides no thermal storage
for evening heating. A Trombe Wall is generally the actual wall of the
building on the sun side, painted black with glass on the external side -
usually materials with good thermal mass qualities are recommended for the
wall (e.g. earth, brick). Painted black, more heat is absorbed during the
day & the glass provides insulation to ensure greater internal heat gain (or
less heat loss) during the night. These have been particularly successful in
cold dryland climates with extreme daily temperature fluctuations.
ciao
Robyn


On 01/08/2006, at 6:43 PM, Graeme George - Earthcare Permaculture wrote:


  I'm surprised to find that we're not all talking the same language here.
I've always known them as Trombe Walls (Michel-Trombe actuallly). The
Designers Manual lists trombe wall in the index, but there's no mention of
them on the page cited and I can't l;ocate the text where they are
mentioned. Wikipedia has a good description and history. I've never heard
them referred to as Solar Box Collectors, that must be a NSW term. That is
their function, but the warm air is collected on the outside and vented into
the house from the top of the collector to be replaced by cooler air drawn
in from the house at the bottom of the unit, setting up a convection
current. There's a good demo unit operating at the retrofitted house at
CERES in Brunswick, Victoria.

  Graeme (Healesville, Victoria).

  P Ferguson wrote:
    Re heat collectors Pat, are you thinking of a trombe wall?
      Kerry Dawborn



      No. trombe walls are  USUALLY INSIDE the building storing heat from
big windows, and sometimes  they are filled with water.



      Robyn answered th question.

      Those angled black things under a window are apparently called solar
box collectors.




--------------------------------------------------------------------------



       I wrote:
      Can anyone recall what those heat collectors were called in the early
days of solar energy?  Set at an angle below a window, they collected heat
and it flowed into the room behind, and the vent could be closed in summer.



      P Ferguson

      Illawarra NSW








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Robyn Francis
Permaculture Education
Djanbung Gardens Nimbin NSW Australia
-  Accredited Permaculture Training & PDC
-  Design & consulting services
www.permaculture.com.au
robyn at permaculture.com.au
Ph 02-6689 1755 Mob 0429 147 138




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