<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <META http-equiv=Content-Type content="text/html; charset=iso-8859-1"> <META content="MSHTML 6.00.2900.3603" name=GENERATOR></HEAD> <BODY style="WORD-WRAP: break-word; webkit-nbsp-mode: space; webkit-line-break: after-white-space"> <DIV dir=ltr align=left><FONT face=Arial><FONT color=#0000ff><FONT size=2>Describe<SPAN class=864140904-09092009> your model we'll run DOE2 and EnergyPlus to see who's right.</SPAN></FONT></FONT></FONT></DIV> <DIV dir=ltr align=left><FONT face=Arial><FONT color=#0000ff><FONT size=2><SPAN class=864140904-09092009></SPAN></FONT></FONT></FONT> </DIV> <DIV><FONT face=Arial color=#0000ff size=2>geometry, </FONT></DIV> <DIV><FONT face=Arial color=#0000ff size=2>orientation</FONT></DIV> <DIV><FONT face=Arial color=#0000ff size=2>wall, window, roof<SPAN class=864140904-09092009> </SPAN>materials, </FONT></DIV> <DIV><FONT face=Arial color=#0000ff size=2>boundary<SPAN class=864140904-09092009> conditions (is the wall contact outside, ground, other indoor space?)</SPAN></FONT></DIV> <DIV><SPAN class=864140904-09092009></SPAN><FONT face=Arial color=#0000ff size=2>run period<SPAN class=864140904-09092009> (from mm/dd to mm/dd)</SPAN>, </FONT></DIV> <DIV><FONT face=Arial color=#0000ff size=2>etc. </FONT></DIV> <DIV><FONT face=Arial><FONT color=#0000ff><FONT size=2>as detail as possible<SPAN class=864140904-09092009>.</SPAN></FONT></FONT></FONT></DIV> <DIV><FONT face=Arial><FONT color=#0000ff><FONT size=2><SPAN class=864140904-09092009></SPAN></FONT></FONT></FONT> </DIV> <P><SPAN lang=zh-cn><FONT face=Arial size=2>Regards,</FONT></SPAN> </P> <P><SPAN lang=zh-cn><FONT face=CityBlueprint size=2>David Tang</FONT></SPAN> <BR><SPAN lang=zh-cn><FONT face=CityBlueprint size=2>Chief Engineer, Energy Solutions</FONT></SPAN> <BR><SPAN lang=zh-cn><FONT face=CityBlueprint size=2>Owens Corning</FONT></SPAN> <BR><SPAN lang=zh-cn><FONT face=CityBlueprint size=2>T:<FONT face="Courier New"></FONT> +86 21 6101 9587; F:<FONT face="Courier New"></FONT> +86 21 6101 9588; m:<FONT face="Courier New"></FONT> +86 13817249419</FONT></SPAN> </P> <DIV><FONT face=Arial color=#0000ff size=2></FONT> </DIV><BR> <BLOCKQUOTE dir=ltr style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #0000ff 2px solid; MARGIN-RIGHT: 0px"> <DIV class=OutlookMessageHeader lang=en-us dir=ltr align=left><FONT face=Tahoma size=2><B>From:</B> esp-r-bounces@lists.strath.ac.uk [mailto:esp-r-bounces@lists.strath.ac.uk] <B>On Behalf Of </B>Felipe Durán<BR><B>Sent:</B> Wednesday, September 09, 2009 5:10 AM<BR><B>To:</B> leen peeters<BR><B>Cc:</B> esp-r@lists.strath.ac.uk<BR><B>Subject:</B> [esp-r] Re: Heating and Cooling Loads<BR></FONT><BR></DIV> <DIV></DIV>Leen, <DIV><BR></DIV> <DIV>I am working with the EPW climate file of Santiago de Chile in both soft wares. I ve modelled a zone of 10 x 10 x 3 mt. high with no ventilation and no internal gains. The results are:</DIV> <DIV><BR></DIV> <DIV>ESP-r = 11.9 (heating), 1.86 (cooling)</DIV> <DIV>IES = 14.6 (heating), 5.2 (cooling)</DIV> <DIV><BR></DIV> <DIV>Now we got great differences in the cooling load. IES gave me 3 times more cooling loads than ESP-r</DIV> <DIV><BR></DIV> <DIV>Any ideas how to go proceed?</DIV> <DIV><BR> <DIV apple-content-edited="true"><SPAN class=Apple-style-span style="WORD-SPACING: 0px; FONT: 12px 'Century Gothic'; TEXT-TRANSFORM: none; COLOR: rgb(0,0,0); TEXT-INDENT: 0px; WHITE-SPACE: normal; LETTER-SPACING: normal; BORDER-COLLAPSE: separate; orphans: 2; widows: 2; webkit-border-horizontal-spacing: 0px; webkit-border-vertical-spacing: 0px; webkit-text-decorations-in-effect: none; webkit-text-size-adjust: auto; webkit-text-stroke-width: 0"><SPAN class=Apple-style-span style="WORD-SPACING: 0px; FONT: 12px 'Century Gothic'; TEXT-TRANSFORM: none; COLOR: rgb(0,0,0); TEXT-INDENT: 0px; WHITE-SPACE: normal; LETTER-SPACING: normal; BORDER-COLLAPSE: separate; orphans: 2; widows: 2; webkit-border-horizontal-spacing: 0px; webkit-border-vertical-spacing: 0px; webkit-text-decorations-in-effect: none; webkit-text-size-adjust: auto; webkit-text-stroke-width: 0px"><SPAN class=Apple-style-span style="WORD-SPACING: 0px; FONT: 12px 'Century Gothic'; TEXT-TRANSFORM: none; COLOR: rgb(0,0,0); TEXT-INDENT: 0px; WHITE-SPACE: normal; LETTER-SPACING: normal; BORDER-COLLAPSE: separate; orphans: 2; widows: 2; webkit-border-horizontal-spacing: 0px; webkit-border-vertical-spacing: 0px; webkit-text-decorations-in-effect: none; webkit-text-size-adjust: auto; webkit-text-stroke-width: 0px"><SPAN class=Apple-style-span style="WORD-SPACING: 0px; FONT: 12px 'Century Gothic'; TEXT-TRANSFORM: none; COLOR: rgb(0,0,0); TEXT-INDENT: 0px; WHITE-SPACE: normal; LETTER-SPACING: normal; BORDER-COLLAPSE: separate; orphans: 2; widows: 2; webkit-border-horizontal-spacing: 0px; webkit-border-vertical-spacing: 0px; webkit-text-decorations-in-effect: none; webkit-text-size-adjust: auto; webkit-text-stroke-width: 0px"><SPAN class=Apple-style-span style="WORD-SPACING: 0px; FONT: 12px 'Century Gothic'; TEXT-TRANSFORM: none; COLOR: rgb(0,0,0); TEXT-INDENT: 0px; WHITE-SPACE: normal; LETTER-SPACING: normal; BORDER-COLLAPSE: separate; orphans: 2; widows: 2; webkit-border-horizontal-spacing: 0px; webkit-border-vertical-spacing: 0px; webkit-text-decorations-in-effect: none; webkit-text-size-adjust: auto; webkit-text-stroke-width: 0px"><SPAN class=Apple-style-span style="WORD-SPACING: 0px; FONT: 12px 'Century Gothic'; TEXT-TRANSFORM: none; COLOR: rgb(0,0,0); TEXT-INDENT: 0px; WHITE-SPACE: normal; LETTER-SPACING: normal; BORDER-COLLAPSE: separate; orphans: 2; widows: 2; webkit-border-horizontal-spacing: 0px; webkit-border-vertical-spacing: 0px; webkit-text-decorations-in-effect: none; webkit-text-size-adjust: auto; webkit-text-stroke-width: 0px"> <DIV><SPAN class=Apple-style-span style="FONT-WEIGHT: bold">Felipe Durán Palma</SPAN></DIV> <DIV>Arquitecto PUC, MPhil. U. Cambridge</DIV> <DIV>Director de Proyectos y Asesorías</DIV></SPAN><SPAN class=Apple-style-span style="WORD-SPACING: 0px; FONT: 12px 'Century Gothic'; TEXT-TRANSFORM: none; COLOR: rgb(0,0,0); TEXT-INDENT: 0px; WHITE-SPACE: normal; LETTER-SPACING: normal; BORDER-COLLAPSE: separate; orphans: 2; widows: 2; webkit-border-horizontal-spacing: 0px; webkit-border-vertical-spacing: 0px; webkit-text-decorations-in-effect: none; webkit-text-size-adjust: auto; webkit-text-stroke-width: 0"><SPAN class=Apple-style-span style="WORD-SPACING: 0px; FONT: 12px 'Century Gothic'; TEXT-TRANSFORM: none; COLOR: rgb(0,0,0); TEXT-INDENT: 0px; WHITE-SPACE: normal; LETTER-SPACING: normal; BORDER-COLLAPSE: separate; orphans: 2; widows: 2; webkit-border-horizontal-spacing: 0px; webkit-border-vertical-spacing: 0px; webkit-text-decorations-in-effect: none; webkit-text-size-adjust: auto; webkit-text-stroke-width: 0px"><SPAN class=Apple-style-span style="WORD-SPACING: 0px; FONT: 12px 'Century Gothic'; TEXT-TRANSFORM: none; COLOR: rgb(0,0,0); TEXT-INDENT: 0px; WHITE-SPACE: normal; LETTER-SPACING: normal; BORDER-COLLAPSE: separate; orphans: 2; widows: 2; webkit-border-horizontal-spacing: 0px; webkit-border-vertical-spacing: 0px; webkit-text-decorations-in-effect: none; webkit-text-size-adjust: auto; webkit-text-stroke-width: 0px"> <DIV><BR class=Apple-interchange-newline>Obispo Donoso 5 oficina 62 - Providencia - Santiago</DIV> <DIV><A href="mailto:felipe@b-green.cl">felipe@b-green.cl</A> - <A href="http://www.b-green.cl">www.b-green.cl</A> - 56 (2) 3431868</DIV> <DIV><FONT face=Arial color=#0000ff size=2></FONT></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN><BR> </DIV></DIV> <DIV> <DIV>El 8 Sep 2009, a las 16:49, leen peeters escribió:</DIV><BR class=Apple-interchange-newline> <BLOCKQUOTE type="cite"> <DIV>Felipe,</DIV> <DIV> </DIV> <DIV>set you climate to some artifical constant climqte with constant temperature, constant solar radiation,... That is one more set of variables excluded</DIV> <DIV> </DIV> <DIV>Leen<BR><BR></DIV> <DIV class=gmail_quote>2009/9/8 Felipe Durán <SPAN dir=ltr><<A href="mailto:felipe@b-green.cl">felipe@b-green.cl</A>></SPAN><BR> <BLOCKQUOTE class=gmail_quote style="PADDING-LEFT: 1ex; MARGIN: 0px 0px 0px 0.8ex; BORDER-LEFT: #ccc 1px solid"> <DIV style="WORD-WRAP: break-word">Dear Samuel and Leen, <DIV><BR></DIV> <DIV>Actually, when I found out such big differences I ve modelled a very simple 3-zone model and the differences persist. </DIV> <DIV><BR></DIV> <DIV>I will try out with a simple box without ventilation and internal gains and I will let you know the results. <DIV><BR></DIV> <DIV>Thank you all for your help.</DIV> <DIV><BR> <DIV><SPAN style="WORD-SPACING: 0px; FONT: 12px 'Century Gothic'; TEXT-TRANSFORM: none; COLOR: rgb(0,0,0); TEXT-INDENT: 0px; WHITE-SPACE: normal; LETTER-SPACING: normal; BORDER-COLLAPSE: separate"><SPAN style="WORD-SPACING: 0px; FONT: 12px 'Century Gothic'; TEXT-TRANSFORM: none; COLOR: rgb(0,0,0); TEXT-INDENT: 0px; WHITE-SPACE: normal; LETTER-SPACING: normal; BORDER-COLLAPSE: separate"><SPAN style="WORD-SPACING: 0px; FONT: 12px 'Century Gothic'; TEXT-TRANSFORM: none; COLOR: rgb(0,0,0); TEXT-INDENT: 0px; WHITE-SPACE: normal; LETTER-SPACING: normal; BORDER-COLLAPSE: separate"><SPAN style="WORD-SPACING: 0px; FONT: 12px 'Century Gothic'; TEXT-TRANSFORM: none; COLOR: rgb(0,0,0); TEXT-INDENT: 0px; WHITE-SPACE: normal; LETTER-SPACING: normal; BORDER-COLLAPSE: separate"><SPAN style="WORD-SPACING: 0px; FONT: 12px 'Century Gothic'; TEXT-TRANSFORM: none; COLOR: rgb(0,0,0); TEXT-INDENT: 0px; WHITE-SPACE: normal; LETTER-SPACING: normal; BORDER-COLLAPSE: separate"><SPAN style="WORD-SPACING: 0px; FONT: 12px 'Century Gothic'; TEXT-TRANSFORM: none; COLOR: rgb(0,0,0); TEXT-INDENT: 0px; WHITE-SPACE: normal; LETTER-SPACING: normal; BORDER-COLLAPSE: separate"> <DIV><SPAN style="FONT-WEIGHT: bold">Felipe Durán Palma</SPAN></DIV> <DIV>Arquitecto PUC, MPhil. U. Cambridge</DIV> <DIV>Director de Proyectos y Asesorías</DIV></SPAN><SPAN></SPAN><SPAN></SPAN><BR><SPAN><SPAN><pastedGraphic.tiff></SPAN></SPAN><SPAN style="WORD-SPACING: 0px; FONT: 12px 'Century Gothic'; TEXT-TRANSFORM: none; COLOR: rgb(0,0,0); TEXT-INDENT: 0px; WHITE-SPACE: normal; LETTER-SPACING: normal; BORDER-COLLAPSE: separate"><SPAN style="WORD-SPACING: 0px; FONT: 12px 'Century Gothic'; TEXT-TRANSFORM: none; COLOR: rgb(0,0,0); TEXT-INDENT: 0px; WHITE-SPACE: normal; LETTER-SPACING: normal; BORDER-COLLAPSE: separate"><SPAN style="WORD-SPACING: 0px; FONT: 12px 'Century Gothic'; TEXT-TRANSFORM: none; COLOR: rgb(0,0,0); TEXT-INDENT: 0px; WHITE-SPACE: normal; LETTER-SPACING: normal; BORDER-COLLAPSE: separate"> <DIV><BR>Obispo Donoso 5 oficina 62 - Providencia - Santiago</DIV> <DIV><A href="mailto:felipe@b-green.cl" target=_blank>felipe@b-green.cl</A> - <A href="http://www.b-green.cl/" target=_blank>www.b-green.cl</A> - 56 (2) 3431868</DIV> <DIV><FONT face=Arial color=#0000ff size=2></FONT></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN><BR> </DIV></DIV> <DIV> <DIV>El 8 Sep 2009, a las 13:19, Aizaz Samuel escribió:</DIV><BR> <BLOCKQUOTE type="cite"> <DIV>Try reducing your model complexity by modelling just one zone with minimal <BR>information possible. Simulate for just one day. If the two softwares compare <BR>well keep building up the model in complexity.<BR><BR>-Aizaz<BR><BR><BR>On Tuesday 08 September 2009 17:41, Felipe Durán wrote:<BR> <BLOCKQUOTE type="cite">Dear All,</BLOCKQUOTE> <BLOCKQUOTE type="cite">I am modeling in both ESP-r and IES-VE and office building and the results<BR></BLOCKQUOTE> <BLOCKQUOTE type="cite"> <DIV>for heating and cooling loads are very different.<BR><SPAN class=864140904-09092009><FONT face=Arial color=#0000ff size=2> </FONT></SPAN></DIV> <DIV><SPAN class=864140904-09092009> </SPAN>ESP-r = 269 kW (heating); 237 kW (cooling)<BR>IES-VE = 835 kW (Heating); 360 kW (cooling)<BR><SPAN class=864140904-09092009><FONT face=Arial color=#0000ff size=2> </FONT></SPAN></DIV> <DIV><SPAN class=864140904-09092009> </SPAN>Does anyone had a similar experience with such differences?<BR><SPAN class=864140904-09092009><FONT face=Arial color=#0000ff size=2> </FONT></SPAN></DIV></BLOCKQUOTE> <BLOCKQUOTE type="cite"> <DIV>Kind Regards,<BR><SPAN class=864140904-09092009><FONT face=Arial color=#0000ff size=2> </FONT></SPAN></DIV> <DIV>Felipe Durán Palma<BR>Arquitecto PUC, MPhil. U. Cambridge<BR>Director de Proyectos y Asesorías<BR>[<A href="http://mail.google.com/mail/?ui=2&ik=8c428781db&view=att&th=1239aec006a1c658&attid=0.0.1.1&disp=emb&zw" target=_blank>cid:B9AD3F91-76F4-4F37-8A2C-7A559281C059</A>]<BR>Obispo Donoso 5 oficina 62 - Providencia - Santiago<BR><A href="mailto:felipe@b-green.cl" target=_blank>felipe@b-green.cl</A><<A href="mailto:felipe@b-green.cl" target=_blank>mailto:felipe@b-green.cl</A>> -<BR><A href="http://www.b-green.cl" target=_blank>www.b-green.cl</A><<A href="http://www.b-green.cl/" target=_blank>http://www.b-green.cl</A>> - 56 (2) 3431868<BR></DIV></BLOCKQUOTE></DIV></BLOCKQUOTE></DIV></DIV></DIV></DIV></BLOCKQUOTE></DIV></BLOCKQUOTE></DIV></DIV></BLOCKQUOTE><br clear=all> The information contained in this communication and its attachment(s) is intended only for the use of the individual to whom it is addressed and <br>may contain information that is privileged, confidential, or exempt from disclosure. 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