Baoli: Ancient 'air-conditioning' cools building sustainably
Baoli: Ancient 'air-conditioning' cools building sustainably
(Really no idea what forum to best leave this in. Mods, move at will.)
Quote:
... Read on at http://edition.cnn.com/2012/02/28/wo...ure/index.html.
#2 
Mar 2nd, 2012, 20:23 Off-Topic Specialist
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Passive cooling is an interesting concept - and something that has been applied (very off and on) not only in India but internationally as well.
An example springs to my mind - The eastgate building in harare (I read about it in a book titled 'The Medici effect'). See this wikipedia article and some good photographs and a much better write up is here.
The architects took inspiration from a termite hill !
Coming back to India, I haven't seen this done too often in modern buildings which is sad as all of Rajput and Mughal palaces used passive cooling to great effect (using features other than the baoli). Another device was to let air pass through small vents and then expand suddenly - e.g. in the Hawa Mahal facade in Jaipur. Sometimes, water would flow in channels and air would pass over it cooling the insides of the royal sleeping chambers.
Very nice article though - i liked the photos!
An example springs to my mind - The eastgate building in harare (I read about it in a book titled 'The Medici effect'). See this wikipedia article and some good photographs and a much better write up is here.
The architects took inspiration from a termite hill !
Coming back to India, I haven't seen this done too often in modern buildings which is sad as all of Rajput and Mughal palaces used passive cooling to great effect (using features other than the baoli). Another device was to let air pass through small vents and then expand suddenly - e.g. in the Hawa Mahal facade in Jaipur. Sometimes, water would flow in channels and air would pass over it cooling the insides of the royal sleeping chambers.
Very nice article though - i liked the photos!
#4
Mar 6th, 2012, 07:15 Senior Member
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Right Nick. I was told the same by one of my friend working in forests of Uttarakhand, near dense forests of Corbett area for some wildlife / nature activities.
In the midst of summer, the termites' dwelling is supposed to be cool inside. Of course, they do not use water - may be the underground moisture works in place of that. The holes as vaibhav mentioned does the work. The air when passing through holes due to turbulence, does take away heat - thus cooling the structure.
In the midst of summer, the termites' dwelling is supposed to be cool inside. Of course, they do not use water - may be the underground moisture works in place of that. The holes as vaibhav mentioned does the work. The air when passing through holes due to turbulence, does take away heat - thus cooling the structure.
--
Rajeev
Rajeev
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