[TRNSYS-users] infiltration rate

[王洋 <wanghongyang1767@gmail.com>]

Dear all, 


I want to compare the test room infiltration rate of actual measurement with by 
TRNSYS simulation. Maybe as you know, in the TRNFlow manual: there it is
 explained that "As soon as TRNFLOW is
 turned on, (...) in the simulation the defined infiltrations, 
ventilations and couplings will be replaced with the calculated air 
flows."
I defined CO2% as 1000 ppm in TRNFlow, then I want to observe CO2%'s 
reducing curve when infiltration rate is 0.5276 1/h (I measured the 
value in the test room), so I defined the infiltration rate as 0.5276 
1/h in TRNBUILD. But when I used TRNFLOW, the defined  infiltration rate
 as 0.5276 1/h in TRNBUILD was replaced. And 1000 ppm keeps constant.

Please  tell me  how to get   the infiltration rate curve using TRNSYS/TRNFLOW or how to explain this ?

Many thanks!

br

wang

2011/2/21 <trnsys-users-request@cae.wisc.edu>

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Today's Topics:

  1. Problems with calling EES (Type66a) (Doms Joris)
  2. wall definition (davide disco)


---------- 已转发邮件 ----------
From: Doms Joris <joris.doms@vito.be>
To: "trnsys-users@cae.wisc.edu" <trnsys-users@cae.wisc.edu>
Date: Sun, 20 Feb 2011 22:43:08 +0100
Subject: [TRNSYS-users] Problems with calling EES (Type66a)

Dear TRNSYS users,

 

When simulating an applied thermal system, I'm using EES for the hydronic part. I programmed the hydronic circuit in EES and coupled it with TRNSYS via Type 66a. This coupling works fine, but;

 

The problem is that the simulation runs very slow. Every timestep that TRNSYS calls EES, the EES project is opened and closed. Is there a way to set some settings so EES isen't closed and reopened each time, this would minimize the solution time alot.

 

Thanks on advance

 

Joris Doms

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---------- 已转发邮件 ----------
From: davide disco <chester_83@hotmail.it>
To: <trnsys-users@cae.wisc.edu>
Date: Mon, 21 Feb 2011 11:57:59 +0100
Subject: [TRNSYS-users] wall definition

Dear all,
when entering data in Trnbuild I have to describe the walls of the zone: if, looking at the plant of the building, the building has more than a wall south oriented for example (wall to the left in the plant) I should enter in Trnbuild each section of wall facing south or I should enter a unique wall that is the sum of all sections of wall facing south?
Thanks in advace.
Best regards

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