[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [EnergyPlus_Support] Ground Contact Surface Constructions [OPENSTUDIO]
I uploaded a screen shot.
https://groups.yahoo.com/neo/groups/EnergyPlus_Support/files/Capture.PNG
I'm trying to see how insulation will affect my cooling load.
To simplify things, I only wanted to use one material for my wall insulation.
To do so I decided to delete all the interior surface constructions and create an exterior surface construction
that consist of only one material.
I made the U-factor for that one material roughly 0.47 w/m2k and checked it with a similar
U-factor that was made up of both interior and exterior surface constructions.
The heating and cooling loads were off by about 40%.
The sample that was made of only one material had a cooling demand that was 40% higher.
does any one know the cause? According to the results the U-factor of the actual surface is pretty similar but when the results are different between a single exterior surface construction only vs both single and interior surface.
__._,_.___
Posted by: benjamin_khuong@xxxxxxxxx
Primary EnergyPlus support is found at:
http://energyplus.helpserve.com or send a message to energyplus-support@xxxxxxxx
The primary EnergyPlus web site is found at:
http://www.energyplus.gov
The group web site is:
http://groups.yahoo.com/group/EnergyPlus_Support/
Attachments are currently allowed but be mindful that not everyone has a high speed connection. Limit attachments to small files.
EnergyPlus Documentation is searchable. Open EPlusMainMenu.pdf under the Documentation link and press the "search" button.
![]()
__,_._,___