[TRNSYS-users] infiltration rate

在 2011年2月21日下午10:58， <trnsys-users-request@cae.wisc.edu>写道：

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Today's Topics:

1. infiltration rate (??)
2. Fw: error message in calling matlab from trnsys (Rekiya Suleiman)
3. Re: Fw: error message in calling matlab from trnsys
(Mehdi Shahrestani)

---------- 已转发邮件 ----------
From: 王洋 <wanghongyang1767@gmail.com>
To: trnsys-users@cae.wisc.edu
Date: Mon, 21 Feb 2011 22:16:12 +0100
Subject: [TRNSYS-users] infiltration rate
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@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@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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---------- 已转发邮件 ----------
From: Rekiya Suleiman <omohu_s@yahoo.com>
To: trnsys-users@cae.wisc.edu
Date: Mon, 21 Feb 2011 13:32:19 -0800 (PST)
Subject: [TRNSYS-users] Fw: error message in calling matlab from trnsys

Dear trnsys users,

Please I am still waiting for help on the forwarded problem, please help!

Thanks

Rekiyat

----- Forwarded Message ----
From: Rekiya Suleiman <omohu_s@yahoo.com>
To: trnsys-users@cae.wisc.edu
Sent: Fri, February 18, 2011 8:03:40 PM
Subject: error message in calling matlab from trnsys

Hi,

Please can anyone help, I'm still learning to use the trnsys program. I am trying to use Type155 to call a code written in matlab but I keep getting the error message 'undefined command/function 'trnInputs'". What can I do to get out of this.

Rekiyat Suleiman

Dept of Mechanical Engineering

Ahmadu Bello University, Zaria

Nigeria.

---------- 已转发邮件 ----------
From: "Mehdi Shahrestani" <mahdishahrestani@yahoo.com>
To: "'Rekiya Suleiman'" <omohu_s@yahoo.com>
Date: Mon, 21 Feb 2011 21:58:25 -0000
Subject: Re: [TRNSYS-users] Fw: error message in calling matlab from trnsys

Dear Rekiyat

Couple of months ago I had the same problem. It should be related to the type155 dll file which calls Matlab.

This file some times is not compatible with your Matlab version.

Anyway, I have this dll for Matlab 2009a if you have the same version it could solve the problem.

Please let me know you matlab version.

Regards

Mehdi

From: trnsys-users-bounces@cae.wisc.edu [mailto:trnsys-users-bounces@cae.wisc.edu] On Behalf Of Rekiya Suleiman
Sent: 21 February 2011 21:32
To: trnsys-users@cae.wisc.edu
Subject: [TRNSYS-users] Fw: error message in calling matlab from trnsys

Dear trnsys users,

Please I am still waiting for help on the forwarded problem, please help!

Thanks

Rekiyat

----- Forwarded Message ----
From: Rekiya Suleiman <omohu_s@yahoo.com>
To: trnsys-users@cae.wisc.edu
Sent: Fri, February 18, 2011 8:03:40 PM
Subject: error message in calling matlab from trnsys

Hi,

Please can anyone help, I'm still learning to use the trnsys program. I am trying to use Type155 to call a code written in matlab but I keep getting the error message 'undefined command/function 'trnInputs'". What can I do to get out of this.

Rekiyat Suleiman

Dept of Mechanical Engineering

Ahmadu Bello University, Zaria

Nigeria.

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