<div style="font-size:10pt; font-family:Gulim;"><P><SPAN style="FONT-FAMILY: 돋움, dotum; FONT-SIZE: 9pt">Dear trnsys users,</SPAN><BR><SPAN style="FONT-FAMILY: 돋움, dotum; FONT-SIZE: 9pt"> </SPAN></P>
<P><SPAN style="FONT-FAMILY: 돋움, dotum; FONT-SIZE: 9pt">Hello, I'm a user of TRNSYS 16</SPAN><SPAN style="FONT-FAMILY: 돋움, dotum; FONT-SIZE: 9pt">.</SPAN><BR><BR><SPAN style="FONT-FAMILY: 돋움, dotum; FONT-SIZE: 9pt">I have to simulation about radiant floor cooling using active layer. </SPAN></P>
<P><SPAN style="FONT-FAMILY: 돋움, dotum"></SPAN> </P>
<P><SPAN style="FONT-FAMILY: 돋움, dotum; FONT-SIZE: 9pt">For simulation, first I modeled one zone with 6 walls. And, boundary condition of all walls set to same outside dry bulb temperature (no solar radiation).</SPAN></P>
<P><SPAN style="FONT-FAMILY: 돋움, dotum"></SPAN> </P>
<P><SPAN style="FONT-FAMILY: 돋움, dotum; FONT-SIZE: 9pt">Zone's initial conditons were set to 30C, 65%(experiment values).</SPAN></P>
<P> </P>
<P><SPAN style="FONT-SIZE: 9pt">For example, supply water temperature is 40C, flowrate is 150kg/hr.</SPAN></P>
<P> </P>
<P><SPAN style="FONT-SIZE: 9pt">After simulation initial temperature of floor construction with </SPAN><SPAN style="FONT-SIZE: 9pt">active layer was different other walls. </SPAN></P>
<P><SPAN style="FONT-SIZE: 9pt">results=></SPAN></P>
<P><SPAN style="FONT-SIZE: 9pt">*Floor constuction: initial inside wall temp.=25C, initial outside wall temp.=20C</SPAN></P>
<P><SPAN style="FONT-SIZE: 9pt">*Ceiling, other vertical walls: initial inside wall temp.=30C, initial outside wall temp.=30C</SPAN></P>
<P><SPAN style="FONT-SIZE: 9pt"> </SPAN></P>
<P><SPAN style="FONT-FAMILY: 돋움, dotum; FONT-SIZE: 9pt">My Question!!!</SPAN></P>
<P><SPAN style="FONT-FAMILY: 돋움, dotum; FONT-SIZE: 9pt">Why is not the floor construction's inside temperaure 30C like other walls?</SPAN></P>
<P><SPAN style="FONT-FAMILY: 돋움, dotum; FONT-SIZE: 9pt">Why always same initial temperature(<FONT face=굴림><SPAN style="FONT-SIZE: 9pt">inside wall temp.=25C, outside wall temp.=20C)</SPAN></FONT> in floor construction with active layer?</SPAN></P>
<P><SPAN style="FONT-FAMILY: 돋움, dotum; FONT-SIZE: 9pt">Why not change?</SPAN></P>
<P><SPAN style="FONT-FAMILY: 돋움, dotum; FONT-SIZE: 9pt">    </SPAN></P>
<P><SPAN style="FONT-FAMILY: 돋움, dotum"><SPAN style="FONT-SIZE: 9pt">Someone who knows something about this, please help..</SPAN><BR></SPAN><SPAN style="FONT-FAMILY: 돋움, dotum"></SPAN></P>
<P><SPAN style="FONT-FAMILY: 돋움, dotum; FONT-SIZE: 9pt">Best regards,<BR></SPAN></P>
<P><SPAN style="FONT-FAMILY: 돋움, dotum; FONT-SIZE: 9pt">Jungmin Seo</SPAN></P>
<P><SPAN style="FONT-FAMILY: 돋움, dotum"></SPAN> </P>
<P><SPAN style="FONT-FAMILY: 돋움, dotum"><SPAN style="FONT-SIZE: 9pt">Building Services Engineering Laboratory</SPAN><BR><SPAN style="FONT-SIZE: 9pt">Sungkyunkwan </SPAN><SPAN style="FONT-SIZE: 9pt">University, Archtectural Engineering</SPAN><BR><BR><SPAN style="FONT-SIZE: 9pt">Tel : +82-31</SPAN><SPAN style="FONT-SIZE: 9pt">-290</SPAN><SPAN style="FONT-SIZE: 9pt">-7579</SPAN><BR><SPAN style="FONT-SIZE: 9pt">C.P.: +82-10-3067</SPAN><SPAN style="FONT-SIZE: 9pt">-558</SPAN><BR></SPAN></P>
<P><SPAN style="FONT-FAMILY: 돋움, dotum"> </P>
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