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<div>Dear all,</div>
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<div>I would like to know how ESP-r models direct solar radiation that crosses more than one glazed surface, e.g.:</div>
<div>- when the sun beam crosses one glazed zone and is absorbed by a second zone, or</div>
<div>- when the sun beam enters the zone by one glazed surface and is retransmitted to the outside environment by a second surface in the same zone.</div>
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<div>Concerning this issue, does it make a difference if insolation is calculate<font color="#000080">d</font>?</div>
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<div>Regards</div>
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<div>Daniel Cóstola</div>
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