https://communities.bentley.com/products/building/building_analysis___design/w/building_analysis_and_design__wiki/48368/cibse-gain---solar-gains-at-nighten-USTelligent Community 12https://communities.bentley.com/products/building/building_analysis___design/w/building_analysis_and_design__wiki/48368/cibse-gain---solar-gains-at-nightMon, 14 Mar 2022 23:28:40 GMT6dad98f5-dbc9-4c4d-a9ba-e9da8dc6aa8e:846f60ae-83a1-43c0-80bd-ea3fd48cefecSteve Cocchihttps://communities.bentley.com/products/building/building_analysis___design/w/building_analysis_and_design__wiki/48368/cibse-gain---solar-gains-at-night#commentsCurrent Revision posted to OpenBuildings | AECOsim | Speedikon Wiki by Steve Cocchi on 3/14/2022 11:28:40 PM<br /> <table style="background-color:#dce5f0;border:0px solid #dce5f0;" border="0"> <tbody> <tr> <td style="text-align:right;"><strong>&nbsp;</strong></td> <td style="text-align:right;" width="30%"><strong>Product(s):</strong></td> <td>OpenBuildings Energy Simulator</td> <td></td> </tr> <tr> <td style="text-align:right;"><strong>&nbsp;</strong></td> <td style="text-align:right;"><strong>Version(s):</strong></td> <td>CONNECT Edition</td> <td></td> </tr> <tr> <td style="text-align:right;"><strong>&nbsp;</strong></td> <td style="text-align:right;"><strong>Area:</strong></td> <td>Calculations</td> <td></td> </tr> </tbody> </table> <h1>Overview</h1> <p>CIBSE Gain results can often display Solar Gains at night.</p> <p></p> <h1>Method</h1> <p style="text-align:justify;">The CIBSE Gain calculation considers both an <em>instantaneous solar component</em> and <em>mean solar component</em>. The mean solar component consists of solar gains that are re-radiated from surfaces having being absorbed as gains during the sunshine hours.</p> <p style="text-align:justify;">The Cooling Plant Operation in Building Properties (accessed from project tree as in image below)&nbsp;determines the hours that these gains are considered.</p> <p><img style="display:block;margin-left:auto;margin-right:auto;" alt=" " src="/resized-image/__size/640x480/__key/communityserver-wikis-components-files/00-00-00-00-17/pastedimage1587998441804v1.png" /></p> <p></p> <p>Therefore, if you have set your Cooling Plant Operation to 24 hours a day, the gains for each of those hours will be displayed in your results.</p> <p></p> <p></p> <p></p> <p></p> <p><a href="/cfs-file/__key/communityserver-wikis-components-files/00-00-00-00-17/5850.NewLogo.png"><img style="border-width:0px;" alt=" " height="60" src="/cfs-file.ashx/__key/communityserver-components-sitefiles/TSG-Logo.png" width="189" /></a></p><div style="clear:both;"></div> <div style="font-size: 90%;">Tags: CIBSE Gain, OpenBuildings Energy Simulator, Solar Gains at night</div> https://communities.bentley.com/products/building/building_analysis___design/w/building_analysis_and_design__wiki/48368/cibse-gain---solar-gains-at-night/revision/2Wed, 23 Feb 2022 13:18:56 GMT6dad98f5-dbc9-4c4d-a9ba-e9da8dc6aa8e:846f60ae-83a1-43c0-80bd-ea3fd48cefecShane Reganhttps://communities.bentley.com/products/building/building_analysis___design/w/building_analysis_and_design__wiki/48368/cibse-gain---solar-gains-at-night#commentsRevision 2 posted to OpenBuildings | AECOsim | Speedikon Wiki by Shane Regan on 2/23/2022 1:18:56 PM<br /> <table style="background-color:#dce5f0;border:0px solid #dce5f0;" border="0"> <tbody> <tr> <td style="text-align:right;"><strong>&nbsp;</strong></td> <td style="text-align:right;" width="30%"><strong>Product(s):</strong></td> <td>OpenBuildings Energy Simulator</td> <td></td> </tr> <tr> <td style="text-align:right;"><strong>&nbsp;</strong></td> <td style="text-align:right;"><strong>Version(s):</strong></td> <td>CONNECT Edition</td> <td></td> </tr> <tr> <td style="text-align:right;"><strong>&nbsp;</strong></td> <td style="text-align:right;"><strong>Environment:</strong></td> <td>N/A</td> <td></td> </tr> <tr> <td style="text-align:right;"><strong>&nbsp;</strong></td> <td style="text-align:right;"><strong>Area:</strong></td> <td>Calculations</td> <td></td> </tr> <tr> <td style="text-align:right;"><strong>&nbsp;</strong></td> <td style="text-align:right;"><strong>Subarea:</strong></td> <td>N/A</td> <td></td> </tr> </tbody> </table> <h1>Overview</h1> <p>CIBSE Gain results can often display Solar Gains at night.</p> <p></p> <h1>Method</h1> <p style="text-align:justify;">The CIBSE Gain calculation considers both an <em>instantaneous solar component</em> and <em>mean solar component</em>. The mean solar component consists of solar gains that are re-radiated from surfaces having being absorbed as gains during the sunshine hours.</p> <p style="text-align:justify;">The Cooling Plant Operation in Building Properties (accessed from project tree as in image below)&nbsp;determines the hours that these gains are considered.</p> <p><img style="display:block;margin-left:auto;margin-right:auto;" alt=" " src="/resized-image/__size/640x480/__key/communityserver-wikis-components-files/00-00-00-00-17/pastedimage1587998441804v1.png" /></p> <p></p> <p>Therefore, if you have set your Cooling Plant Operation to 24 hours a day, the gains for each of those hours will be displayed in your results.</p> <p></p> <p></p> <p></p> <p></p> <p><a href="/cfs-file/__key/communityserver-wikis-components-files/00-00-00-00-17/5850.NewLogo.png"><img style="border-width:0px;" alt=" " height="60" src="/cfs-file.ashx/__key/communityserver-components-sitefiles/TSG-Logo.png" width="189" /></a></p><div style="clear:both;"></div> <div style="font-size: 90%;">Tags: CIBSE Gain, OpenBuildings Energy Simulator, Solar Gains at night</div> https://communities.bentley.com/products/building/building_analysis___design/w/building_analysis_and_design__wiki/48368/cibse-gain---solar-gains-at-night/revision/1Mon, 27 Apr 2020 14:48:01 GMT6dad98f5-dbc9-4c4d-a9ba-e9da8dc6aa8e:846f60ae-83a1-43c0-80bd-ea3fd48cefecShane Reganhttps://communities.bentley.com/products/building/building_analysis___design/w/building_analysis_and_design__wiki/48368/cibse-gain---solar-gains-at-night#commentsRevision 1 posted to OpenBuildings | AECOsim | Speedikon Wiki by Shane Regan on 4/27/2020 2:48:01 PM<br /> <table style="background-color:#dce5f0;border:0px solid #dce5f0;" border="0"> <tbody> <tr> <td style="text-align:right;"><strong>&nbsp;</strong></td> <td style="text-align:right;" width="30%"><strong>Product(s):</strong></td> <td>OpenBuildings Energy Simulator</td> <td></td> </tr> <tr> <td style="text-align:right;"><strong>&nbsp;</strong></td> <td style="text-align:right;"><strong>Version(s):</strong></td> <td>CONNECT Edition</td> <td></td> </tr> <tr> <td style="text-align:right;"><strong>&nbsp;</strong></td> <td style="text-align:right;"><strong>Environment:</strong></td> <td>N/A</td> <td></td> </tr> <tr> <td style="text-align:right;"><strong>&nbsp;</strong></td> <td style="text-align:right;"><strong>Area:</strong></td> <td>Building Modelling</td> <td></td> </tr> <tr> <td style="text-align:right;"><strong>&nbsp;</strong></td> <td style="text-align:right;"><strong>Subarea:</strong></td> <td>N/A</td> <td></td> </tr> </tbody> </table> <h1>Overview</h1> <p>CIBSE Gain results can often display Solar Gains at night.</p> <p></p> <h1>Method</h1> <p style="text-align:justify;">The CIBSE Gain calculation considers both an <em>instantaneous solar component</em> and <em>mean solar component</em>. The mean solar component consists of solar gains that are re-radiated from surfaces having being absorbed as gains during the sunshine hours.</p> <p style="text-align:justify;">The Cooling Plant Operation in Building Properties (accessed from project tree as in image below)&nbsp;determines the hours that these gains are considered.</p> <p><img style="display:block;margin-left:auto;margin-right:auto;" alt=" " src="/resized-image/__size/640x480/__key/communityserver-wikis-components-files/00-00-00-00-17/pastedimage1587998441804v1.png" /></p> <p></p> <p>Therefore, if you have set your Cooling Plant Operation to 24 hours a day, the gains for each of those hours will be displayed in your results.</p> <p></p> <p></p> <p></p> <p></p> <p><a href="/cfs-file/__key/communityserver-wikis-components-files/00-00-00-00-17/5850.NewLogo.png"><img style="border-width:0px;" alt=" " height="60" src="/cfs-file.ashx/__key/communityserver-components-sitefiles/TSG-Logo.png" width="189" /></a></p><div style="clear:both;"></div> <div style="font-size: 90%;">Tags: CIBSE Gain, OpenBuildings Energy Simulator, Solar Gains at night</div>