Parabolic dish concentrators approximated by simple surfaces

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Keyword: Solenergi, Solkoncentration, Parabolisk spegel
Publication year: 1996
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SDG 9 Industry, innovation and infrastructure
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Two different concentrating mirrors have been constructed that resemble parabolic dish reflectors. Both mirrors are made of slightly curved strips of flat, bendable material. The strips of the most simplified mirror have only large-radius circles and straight lines as boundaries. The necessary equations for making the mirrors are given. Also a simple way to make a stiff, lightweight frame and support for the mirror strips has been developed. Models of the mirrors have been built and successfully used for cooking and baking.


Lars Broman

Högskolan Dalarna; Miljöteknik
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Arne Broman

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