Solar Cooking
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The '''Auroville Solar Kitchen''' is a collective kitchen for the Auroville community and was finalized in December 1997. Auroville (City of Dawn) is an "experimental" township in the Viluppuram district, in {{state|Tamil Nadu}}, [[India]], near Puducherry in South India.
[[File:Auroville_Solar_Bowl_2.jpg|thumb|right|300px|[[Solar Bowl]] on the roof.]]
 
[[File:Auroville_Solar_Kitchen_staff.jpg|right|300px]]
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[[File:Auroville_Solar_Kitchen_staff.jpg|left|200px]]
[[File:Auroville_Soalr_Kitchen_grounds.jpg|right|px300]]
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[[File:Auroville_Soalr_Kitchen_grounds.jpg|right|200px]]
 
It serves lunch daily in its dining hall, and sends lunches out to schools and to individuals as well. It derives its name from the large Auroville Solar Bowl on its roof, which provides the steam for cooking on all the sunny days of the year. Back-up steam, if needed, is provided by a diesel fired boiler.
[[File:Auroville_Solar_Kitchen_illustration.jpg|thumb|300px|Schematic workings of the [[Solar Bowl]].]]
 
 
Throughout the year approximately 1000 lunches are prepared daily. 540 go to the schools, 200 go out by tiffins, which are interlocking cylindrical stainless steel containers, and 260 to 300 are consumed in the dining hall. Since October 2006, dinner is served Monday-Saturday between 6:00 and 7:30 PM.
 
 
The Kitchen asks anyone intending to eat there to book in advance. It's possible to arrive unannounced without a booking, but you have to wait until 1:00 PM when un-booked diners are welcome.
The '''Auroville Solar Kitchen''' is a collective kitchen for the Auroville community, and was finalized in December 1997. Auroville (City of Dawn) is an "experimental" township in the Viluppuram district, in {{state|Tamil Nadu}}, [[India]], near Puducherry in South India.
 
 
{{clr}}
 
 
===Auroville Solar Bowl===
It serves lunch daily in its dining hall, and sends lunches out to schools and to individuals as well. It derives its name from the large [[Auroville Solar Bowl]] on its roof, which provides the steam for cooking on all the sunny days of the year. Back-up staeam, if needed, is provided by a diesel fired boiler.
 
 
[[File:Auroville_Solar_Kitchen_illustration.jpg|thumb|250px|Schematic workings of the Solar Bowl.]]
 
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As part of the research being done in Auroville in the mid-nineties, a large concentrating solar collector known as the Auroville Solar Bowl began construction under the direction of [[John Harper]]. The [[Scheffler Community Kitchen]] concentrator focusses the light to create steam, which is used in the kitchen for cooking. The innovative decision to integrate a fixed spherical solar bowl concentrator with a 15 meter diameter into the building determined, to a large extent, the design and technology applications used within the building itself. They decided upon a solar bowl with a single concave mirror for the stability it offered (as opposed to separate parabolic reflectors) because of the strong winds that prevail during the monsoon.
Throughout the year approximately 1000 lunches are prepared daily. 540 go to the schools, 200 go out by tiffins, which are interlocking cylindrical stainless steel containers, and 260 to 300 are consumed in the dining hall. Since October 2006 every evening, except Sundays, dinner is served between 6 and 7.30 p.m.
 
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[[File:Auroville Solar Bowl 1.jpg|left|200px]]
 
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One problem that arose when they built first model at the Centre Guest House was devising a system to track the sun. According to Harper "Now, because of our experience in putting together the [[Matrimandir heliostat]] to supply a steady beam of light into the chamber, we have the knowledge to handle this technical aspect. To me, building this bowl has been one step towards the future. With this bowl we will be producing steam for cooking, but eventually the heat that you trap could be used for a variety of purposes such as pumping water, producing mechanical power, industrial process heating, etc. One can envision the whole of our Industrial Zone running on solar energy.. It is a question of orientation. Walk across an open field on a bright sunny day - you can feel yourself being roasted and scorched by the burning sun, or you can feel a great joy in the perception that you are being bathed in a powerful flood of rich golden energy!"
The Kitchen asks anyone intending to eat there to book in advance. It's possible to arrive unannounced without a booking, but you have to wait until 1 pm. After that un-booked diners are welcome.
 
 
[[File:Auroville_Solar_Bowl_2.jpg|thumb|right|250px|[[Solar Bowl]] on the roof.]]
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The collector is positioned at the western end of the first floor,, composite granite blocks were used for the foundations, and walls of compressed earth blocks support the whole structure. A total of 96 prefabricated ferrocement elements were cast and hoisted in place to form a perfect fixed spherical bowl. A tilted fixed mast supports a moving receiver which can rotate in all directions around a double-axis articulation placed at the centre of the sphere and balanced by a counterweight. A computer program ensures the automatic tracking of the whole system with scope for seasonal changes. The solar bowl is hybridized with a conventional diesel fired boiler back-up system for cooking on an off-on basis. The interface is through a heat storage tank using thermic fluid storage (1.4 m3) with one-hour heat storage capacity. Possible future replicability for community cooking, power generation, desalinization and cold storage have been kept in mind.
   
 
==See also==
 
==See also==
* [[Auroville Solar Bowl]]
 
 
* [[Scheffler Community Kitchen]]
 
* [[Scheffler Community Kitchen]]
 
* [[Solar restaurants and bakeries]]
 
* [[Solar restaurants and bakeries]]
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{{clr}}
 
 
==External links==
 
==External links==
 
* http://www.auroville.org/society/solarkitchen.htm
 
* http://www.auroville.org/society/solarkitchen.htm
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==Contact==
 
==Contact==
Auroville Solar Kitchen<br>
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Auroville Solar Kitchen<br />
Puducherry, {{state|Tamil Nadu}}<br>
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Puducherry, {{state|Tamil Nadu}}<br />
 
[[India]]
 
[[India]]
   
[mailto:webmaster@auroville.org.in webmaster@auroville.org.in]
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Email: [mailto:webmaster@auroville.org.in webmaster@auroville.org.in]
 
[[Category:India]]
 
[[Category:India]]
 
[[Category:Tamil Nadu]]
 
[[Category:Tamil Nadu]]
 
[[Category:Solar restaurants and bakeries]]
 
[[Category:Solar restaurants and bakeries]]
[[Category:Requested update]]
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[[Category:Verified active 2014]]

Revision as of 01:06, 24 October 2014

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Auroville Solar Kitchen ext

The Auroville Solar Kitchen is a collective kitchen for the Auroville community and was finalized in December 1997. Auroville (City of Dawn) is an "experimental" township in the Viluppuram district, in Tamil Nadu, India, near Puducherry in South India.

Auroville Solar Kitchen staff
Auroville Soalr Kitchen grounds

It serves lunch daily in its dining hall, and sends lunches out to schools and to individuals as well. It derives its name from the large Auroville Solar Bowl on its roof, which provides the steam for cooking on all the sunny days of the year. Back-up steam, if needed, is provided by a diesel fired boiler. Throughout the year approximately 1000 lunches are prepared daily. 540 go to the schools, 200 go out by tiffins, which are interlocking cylindrical stainless steel containers, and 260 to 300 are consumed in the dining hall. Since October 2006, dinner is served Monday-Saturday between 6:00 and 7:30 PM. The Kitchen asks anyone intending to eat there to book in advance. It's possible to arrive unannounced without a booking, but you have to wait until 1:00 PM when un-booked diners are welcome.

Auroville Solar Bowl

Auroville Solar Kitchen illustration

Schematic workings of the Solar Bowl.

As part of the research being done in Auroville in the mid-nineties, a large concentrating solar collector known as the Auroville Solar Bowl began construction under the direction of John Harper. The Scheffler Community Kitchen concentrator focusses the light to create steam, which is used in the kitchen for cooking. The innovative decision to integrate a fixed spherical solar bowl concentrator with a 15 meter diameter into the building determined, to a large extent, the design and technology applications used within the building itself. They decided upon a solar bowl with a single concave mirror for the stability it offered (as opposed to separate parabolic reflectors) because of the strong winds that prevail during the monsoon.

Auroville Solar Bowl 1

One problem that arose when they built first model at the Centre Guest House was devising a system to track the sun. According to Harper "Now, because of our experience in putting together the Matrimandir heliostat to supply a steady beam of light into the chamber, we have the knowledge to handle this technical aspect. To me, building this bowl has been one step towards the future. With this bowl we will be producing steam for cooking, but eventually the heat that you trap could be used for a variety of purposes such as pumping water, producing mechanical power, industrial process heating, etc. One can envision the whole of our Industrial Zone running on solar energy.. It is a question of orientation. Walk across an open field on a bright sunny day - you can feel yourself being roasted and scorched by the burning sun, or you can feel a great joy in the perception that you are being bathed in a powerful flood of rich golden energy!"

Auroville Solar Bowl 2

Solar Bowl on the roof.

The collector is positioned at the western end of the first floor,, composite granite blocks were used for the foundations, and walls of compressed earth blocks support the whole structure. A total of 96 prefabricated ferrocement elements were cast and hoisted in place to form a perfect fixed spherical bowl. A tilted fixed mast supports a moving receiver which can rotate in all directions around a double-axis articulation placed at the centre of the sphere and balanced by a counterweight. A computer program ensures the automatic tracking of the whole system with scope for seasonal changes. The solar bowl is hybridized with a conventional diesel fired boiler back-up system for cooking on an off-on basis. The interface is through a heat storage tank using thermic fluid storage (1.4 m3) with one-hour heat storage capacity. Possible future replicability for community cooking, power generation, desalinization and cold storage have been kept in mind.

See also

External links

Contact

Auroville Solar Kitchen
Puducherry, Tamil Nadu
India

Email: webmaster@auroville.org.in