It sounds like you are trying to use a U-value as a layer. This will give you problems. Create a material with the resistance you want and then use it as one of the layers for your wall (construction).<br><br>Carol<br><br>
<div class="gmail_quote">On Tue, Oct 12, 2010 at 11:47 AM, pranita kothuru <span dir="ltr"><<a href="mailto:pranita.kothuru@gmail.com">pranita.kothuru@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
Hello All -<br><br>I don't know whether I am understanding the R value input in eQuest in the way its supposed to be.<br><br>In the Building Envelope Constructions <b>(3-25) in the DD Wizard:</b><br><br>Construction: Custom, layer by layer construction<br>
<br>Layer-by layer: Arena Roof (name of the roof I have created)<br><br>In the layer by layer window I use the 'Specify Resistance' (under the spec method) option and insert the overall R value of the roof directly below in the box. <br>
<br>When I go to the.inp file, I see the following -<br><br>"EL1 Roof Construction" = CONSTRUCTION<br> TYPE = U-VALUE<br> U-VALUE = 30<br> ABSORPTANCE = 0.6<br> ROUGHNESS = 1<br>
<br>It says the U -value is 30 which is really low. Am I missing something here in understanding the U-value and R value. (I have inserted the r value as 30 not the U value)<br><br>Thank you for your comments in advance.<br>
-- <br><font color="#888888"><p style="margin: 0in 0in 0pt;"><b><font size="3"><font color="#000099" face="Calibri">Pranita.<br></font></font></b></p><br><br>
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<br></blockquote></div><br><br clear="all"><br>-- <br>Carol Gardner PE<br>
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