About: Solar reflector design   Sponge Permalink

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The orientation and shape of reflectors that focus light on the cooking pot can often be calculated using some fairly simple geometry. Basically, the light from the sun will be coming to the solar cooker in parallel rays. Light will hit the reflector at a particular angle, and then bounce off towards the cook pot at the same angle. The theory is the same for box, panel, or parabolic solar cookers. The idea is illustrated below:

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  • Solar reflector design
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  • The orientation and shape of reflectors that focus light on the cooking pot can often be calculated using some fairly simple geometry. Basically, the light from the sun will be coming to the solar cooker in parallel rays. Light will hit the reflector at a particular angle, and then bounce off towards the cook pot at the same angle. The theory is the same for box, panel, or parabolic solar cookers. The idea is illustrated below:
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dbkwik:solarcookin...iPageUsesTemplate
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  • The orientation and shape of reflectors that focus light on the cooking pot can often be calculated using some fairly simple geometry. Basically, the light from the sun will be coming to the solar cooker in parallel rays. Light will hit the reflector at a particular angle, and then bounce off towards the cook pot at the same angle. The theory is the same for box, panel, or parabolic solar cookers. The idea is illustrated below: A helpful rule of thumb, shown below, that works for many designs is that the only sun's ray you need to worry about is the one that reflects off the top of your reflector. All sun's rays that reflect lower down will hit your target surface somewhere as long as the top ray hits your target on the opposite side.
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