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Re: [TRNSYS-users] Wall/Area definition in TRNBuild



Wang,
  There has been a debate about this question in the industry for some time. I think the consensus is that the dimensions of the room should be taken from wall center to wall center and from the top of one floor to the top of the next floor. If I am reading your case correctly, I think the areas should be based on the dimensions 9.1, 7.1, and 3.1m
Regards,
 David

On 11/5/2012 05:31, 王洋 wrote:
Dear all,

I have a small question for Wall/Area definition in TRNBuild using TRNSYS 16.

What does Wall/Area exact definition in TRNBuild mean? Does its area include the thickness of wall or not? i.e. How do we calculate wall's area in TRNBuild? If the netto room volume was 9*7*3 m3 (length*width*height), the gross was 9.2*7.2*3.2 m3, the Area of floor/ceiling should be 9*7 m2 or 9.2*7.2 m2? 

Thanks!
Br.

wang

2012/11/3 <trnsys-users-request@cae.wisc.edu>
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Today's Topics:

   1. Re: Type 15 with high latitude (Matt Duffy)


---------- 已转发邮件 ----------
From: Matt Duffy <duffy@tess-inc.com>
To: <trnsys-users@cae.wisc.edu>
Cc: 
Date: Fri, 02 Nov 2012 13:42:51 -0500
Subject: Re: [TRNSYS-users] Type 15 with high latitude

Dear Laurent Georges,

 

This should not be an issue now with the latest version, 17.01.0025. Please make sure that you are using this version, and if you continue to have problems, please send me the *.tpf.

 

Thank you,

 

Matt Duffy

 

On 2012-11-01 05:59, Laurent Georges wrote:

Dear TRNSYS users,

 

When using the Type15 to read the Meteonorm weather file of a location at high latitude (e.g. Tromsø in Norway), the simulation stops with the following error in middle of the summer period : “An simulation time step is greater than the data time step for the radiation calculation.  The simulation time step needs to be reduced.” This error only occurs if the simulation time step is taken lower than 1h, and the reduction of the time step does not prevent the simulation to crash. Does someone has an experience with that? Is there a way to fix the problem? I am using TRNSYS 17.

 

In advance, thank you,

Best  regards,

Laurent Georges

 

 


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