About: Heliac   Sponge Permalink

An Entity of Type : owl:Thing, within Data Space : 134.155.108.49:8890 associated with source dataset(s)

Heliac is a company located in Hørsholm, Denmark. They produce polymer foil solar concentrators for medium size utility installations. They have developed a process to create a clear film with a profile that mimics the shape of traditional fresnel lens for a fraction of the cost. When mounted on a frame the solar cooker fresnel lens has an aperture area of 105cm x 140cm. The focal point has been purposely broadened, giving a spot size of 8cm in diameter. The focal length is 200cm, this being the distance the refracted rays travel before reaching the bottom of the pot.

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  • Heliac
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  • Heliac is a company located in Hørsholm, Denmark. They produce polymer foil solar concentrators for medium size utility installations. They have developed a process to create a clear film with a profile that mimics the shape of traditional fresnel lens for a fraction of the cost. When mounted on a frame the solar cooker fresnel lens has an aperture area of 105cm x 140cm. The focal point has been purposely broadened, giving a spot size of 8cm in diameter. The focal length is 200cm, this being the distance the refracted rays travel before reaching the bottom of the pot.
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dbkwik:solarcookin...iPageUsesTemplate
abstract
  • Heliac is a company located in Hørsholm, Denmark. They produce polymer foil solar concentrators for medium size utility installations. They have developed a process to create a clear film with a profile that mimics the shape of traditional fresnel lens for a fraction of the cost. They realized this technology would also be useful in creating a solar cooker design. The company claims this prototype is capable of boiling a liter of water in fifteen minutes. Having a simple framework, the company wishes others to build their own frames and use their material for the lens. They offer their design of the framework shown in photos as open source, and welcome interested parties to share their thoughts on the design and use of the cooker. When mounted on a frame the solar cooker fresnel lens has an aperture area of 105cm x 140cm. The focal point has been purposely broadened, giving a spot size of 8cm in diameter. The focal length is 200cm, this being the distance the refracted rays travel before reaching the bottom of the pot. The instruction manuals for the most recent design of the framework (v4.3) can be accessed through the following links* * Production manual * Assembly manual * User manual *Due to safety concerns we no longer recommend building the cooker in wood and are working on improving the design to meet our safety standards. As soon as the new design is ready, it will be possible to access the construction manuals.
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