Hi, xiangjing,
Please post or send me your IDF. I would like to know how you model the box and what surface condition or variable you were looking at.
Dr. Li
To: EnergyPlus_Support@xxxxxxxxxxxxxxx
From: geshen516@xxxxxxxxx
Date: Mon, 6 Jul 2009 10:03:02 +0000
Subject: [EnergyPlus_Support] about surface thermal absortance and emissivity.
I am trying to find the effect of surface emissivity of long wave radiation on cooling load and surface temperature.
So I built a simple box, and set the solar absorptance 0.9
I test the cases: thermal emissivity 0.1 and 0.9, (for exterior surface only)
the result is very strange: no difference..
what kind of data can i check?
I have run those for V2-2 and V3-0, same results...
Thanks and regards
xiangjing
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