solar experiment

Posted by
Patrick on Jul 24, 2002 at 12:09

I don't know if this is the right forum to post this question, but I'm hoping someone can help.

I want to do a simple experiment using a solar 'hot box' to see how hot it can get inside when placed under full sun. (A hot box is simply a cardboard or wood box (often insulated) with a black interior and one side covered in one or more panes of glass to let the sunlight in.)

My question: is it better to have the box deep or shallow for maximal efficiency? I read somewhere that if it's deeper than it is wide, it traps the sun's energy better, yet I can't find any other mention of this, so I don't know if it's true.

Any help appreciated,

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