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Thread: Hot rock energy issues

  1. #1 Hot rock energy issues 
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    Join Date
    Apr 2009
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    Could somebody tell what is power density of hot rocks deep underground which
    are heated up to 800 centigrads?How much infrared energy will they radiate per square meter if compare them with solar power density which is 1000 W/squre meter on the Earth?Do exist some type of lens which is able to concentrate randomly directed radiation such as black body radiation?


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