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<P><FONT SIZE=2 FACE="Arial">Good afternoon one and all,</FONT>
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<P><FONT SIZE=2 FACE="Arial">1. Does anybody know of an IES apache type piece of dynamic simulation software that can model the hygroscopic effects of building materials? The job in question is an above ground, thermally massive nuclear waste facility with very low levels of ventilation. </FONT></P>
<P><FONT SIZE=2 FACE="Arial"> The concrete structure is expected to give off moisture for many years as part of its cure. I expect that it will also react to internal and external vapour pressure and act in a hygroscopic manner. Can this be modelled with ESP-r for example?</FONT></P>
<P><FONT SIZE=2 FACE="Arial"> Another interesting feature could be the inclusion of unfired clay for hygroscopic buffering.</FONT>
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<P><FONT SIZE=2 FACE="Arial"> The results of the thermal analysis feed into the concrete design and are critical because the concept design of store contains no expansion joints to avoid radiation "shine paths".</FONT></P>
<P><FONT SIZE=2 FACE="Arial">2. In order to model the thermal mass of waste within the store it was necessary to represent it as "internal partitions". Does esp-r (or any similar) have the capability to "fudge in" extra thermal mass into a room space along with any other parameters such as surface area, thermal transmittance, surface resistance, etc.</FONT></P>
<P><FONT SIZE=2 FACE="Arial">Best regards</FONT>
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<P><FONT SIZE=2 FACE="Arial">Chris Yates</FONT>
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