<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2//EN"> <HTML> <HEAD> <META NAME="Generator" CONTENT="MS Exchange Server version 6.5.7653.27"> <TITLE>RE: [esp-r] Obstructions</TITLE> </HEAD> <BODY> Dear all, a separate but related issue. Has anyone compared in esp-r the effect of external shading versus high performance glass? Has glazing technology improved so much these days that external shading devices will soon be a thing of the past? Perhaps in terms of cooling loads yes but what about comfort? In my book no matter how good the glass is, if exposed to incident radiation, it will heat up and raise its surface temperature, the MRT and eventually the overall resultant temperature of the room. Any views welcome. Thanks Camilo Diaz WSP Energy &Environment Ltd 07713985845 <hr size=2 width="100%" align=center tabindex=-1> From: esp-r-bounces@lists.strath.ac.uk <esp-r-bounces@lists.strath.ac.uk> To: Felipe Durán <felipe@b-green.cl>; esp-r@lists.strath.ac.uk <esp-r@lists.strath.ac.uk> Sent: Sat Apr 18 14:48:48 2009 Subject: [esp-r] Re: Obstructions  "The shading and insolation module (ish) provides facilities to calculate shading patterns on exterior surfaces and the insolation distribution across the inside surfaces of a zone." So yes, you need to run it for every zone that may be influenced by your obstruction. When you change an obstruction, it will prompt you to rerun shading calcs either silently or interactively. If this turns out to be too complicated, it is possible to approximate shading by running one or two zones in each orientation and interpolating between them without too much loss of accuracy. We do this externally; it might be possible to do in ESP-r for identical zones by assigning shading files to multiple zones. Ralph. -----Original Message----- From: esp-r-bounces@lists.strath.ac.uk on behalf of Felipe Durán Sent: Fri 4/17/2009 20:48 To: esp-r@lists.strath.ac.uk Subject: [esp-r]  Obstructions Dear All, I am modelling an obstruction representing an horizontal shading  device of a window. when the model is done, Do I have to run the ish module? Do I have to  run it for the particular zone or for all the zones of the model? When I try to simulate ESP-r tells me that "Some zones have missing or  corrupt shading files. The model not yet complete vis-a-vis thermal  simulation." What does it means? Thank you in advance, kind regards, Felipe Durán Palma Arquitecto PUC, MPhil. U. Cambridge Director de Proyectos y Asesorías Obispo Donoso 5 oficina 62 - Providencia - Santiago felipe@b-green.cl - www.b-green.cl - 56 (2) 3431868 This message has been scanned by MailController - www.MailController.altohiway.com </BODY> </HTML>