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DesignBuilder Forum Index
Author Message
  Topic: DesignBuilder output question
bhandari

Replies: 1
Views: 33

PostForum: DesignBuilder Support   Posted: Wed Sep 03, 2008 1:24 pm   Subject: DesignBuilder output question
Yes, it would still be kBtu. You can just multiply it by 0.293 (1 kWh = 3.412 kBtu) to convert to kWh.
Mahabir
  Topic: CFD
bhandari

Replies: 2
Views: 44

PostForum: DesignBuilder Support   Posted: Tue Sep 02, 2008 1:46 pm   Subject: CFD
Hemant,
CFD menu is not available yet in the current beta release. I am quoting Steve here (from earlier pots in the forum). "The beta CFD module is currently with a small number of beta test sites a ...
  Topic: compact schedule
bhandari

Replies: 1
Views: 24

PostForum: DesignBuilder Support   Posted: Tue Sep 02, 2008 1:40 pm   Subject: compact schedule
Hannes,
Saturday is allowed but not saturdays.. That additional s at the end may be causing the error.

Mahabir
  Topic: help with E+ errors
bhandari

Replies: 1
Views: 34

PostForum: DesignBuilder Support   Posted: Tue Sep 02, 2008 1:28 pm   Subject: help with E+ errors
Teresa,
The probable cause of these errors is use of different version of E+. You may be creating idf file in older version of E+ and trying to run it in Ver 2.2 without transitioning. Additional fi ...
  Topic: Exported Window Type
bhandari

Replies: 1
Views: 87

PostForum: DesignBuilder Support   Posted: Wed Aug 27, 2008 2:02 pm   Subject: Exported Window Type
We have not noticed this issue. Perhaps using "Clear to Default" and then selecting the glazing again helps. If it does not work, you can send the model for us to look at..
Mahabir
  Topic: 90% argon in the cavity
bhandari

Replies: 11
Views: 625

PostForum: DesignBuilder Support   Posted: Mon Jul 28, 2008 1:50 pm   Subject: 90% argon in the cavity
Alice,
As Andy mentioned earlier coefficients cannot be used for defining the gas mixture. E+ uses separate object (NOT the COEFFICIENTS) to define the gas mixture. DesignBuilder will introduce the ...
  Topic: 90% argon in the cavity
bhandari

Replies: 11
Views: 625

PostForum: DesignBuilder Support   Posted: Fri Jul 18, 2008 8:02 pm   Subject: 90% argon in the cavity
Alice,
I would recommend not to use the values you listed. You would be better off using just pure Argon. It looks like W5 does not store the coefficients correctly in gas table. It does calculate th ...
  Topic: 90% argon in the cavity
bhandari

Replies: 11
Views: 625

PostForum: DesignBuilder Support   Posted: Fri Jul 18, 2008 2:49 pm   Subject: 90% argon in the cavity
You are right, Florent. My apologies for not cross checking it. It looks like there is a glitch in reporting the coefficients for the mixtures in WINDOW5. I will clarify with LBNL and get back to you ...
  Topic: 90% argon in the cavity
bhandari

Replies: 11
Views: 625

PostForum: DesignBuilder Support   Posted: Fri Jul 18, 2008 2:07 pm   Subject: 90% argon in the cavity
Alice,

You can use WINDOW 5 program, a freely available software ( windows.lbl.gov), to calculate the gas mixtures. For 90% Argon and 10% air mixture the properties are as follows:

Name Arg 90% ...
  Topic: energy templates
bhandari

Replies: 1
Views: 282

PostForum: DesignBuilder Support   Posted: Tue Jul 15, 2008 12:54 pm   Subject: energy templates
Max,
The ASHRAE templates are planned for ver 2.0/post ver 2.0. That time you could use the templates for LEED certification purposes..
Mahabir
  Topic: Heating and Cooling Setpoint Temperatures Schedule
bhandari

Replies: 5
Views: 439

PostForum: DesignBuilder Support   Posted: Fri Jun 06, 2008 9:15 pm   Subject: Heating and Cooling Setpoint Temperatures Schedule
Carlos,
I agree current version of DB does not allow that option. This option would be included in near future. In the meantime you would need to export idf file and define the set point temperatur ...
  Topic: Heating and Cooling Setpoint Temperatures Schedule
bhandari

Replies: 5
Views: 439

PostForum: DesignBuilder Support   Posted: Fri Jun 06, 2008 1:27 pm   Subject: Heating and Cooling Setpoint Temperatures Schedule
Carlos,

The HVAC operation is used for defining your setpoint temperatures. The following article may help in understanding the setpoint temperature definition in DB.

http://www.designbuilder.co ...
  Topic: Heating and Cooling Setpoint Temperatures Schedule
bhandari

Replies: 5
Views: 439

PostForum: DesignBuilder Support   Posted: Wed Jun 04, 2008 10:05 pm   Subject: Heating and Cooling Setpoint Temperatures Schedule
Carlos,
You can define the schedule for heating/cooling under the HVAC tab. You would need to check heating/cooling on..
Mahabir
  Topic: Shrinking Windows
bhandari

Replies: 4
Views: 409

PostForum: DesignBuilder Support   Posted: Tue Jun 03, 2008 8:42 pm   Subject: Shrinking Windows
Mike,
It looks like the problem occurs when you export your idf file using older version, e.g. in your case 2.1... It works fine if you export using the recommended E+ version (ver 2.2) i.e. it does ...
  Topic: outputs based on m²
bhandari

Replies: 1
Views: 252

PostForum: DesignBuilder Support   Posted: Mon Jun 02, 2008 12:54 pm   Subject: outputs based on m²
Hi,
Yes, you can get data in /area units. Just check Normalise on under the display options when your simulations are complete.
Mahabir
 
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