[TRNSYS-users] infiltration rate

[王洋]

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



在 2011年2月21日 下午12:07，王洋 <wanghongyang1767 at gmail.com>写道：

> 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 at cae.wisc.edu>
>
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>> Today's Topics:
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>>   1. Problems with calling EES (Type66a) (Doms Joris)
>>   2. wall definition (davide disco)
>>
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>> ---------- 已转发邮件 ----------
>> From: Doms Joris <joris.doms at vito.be>
>> To: "trnsys-users at cae.wisc.edu" <trnsys-users at 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 at hotmail.it>
>> To: <trnsys-users at 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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