[TRNSYS-users] template
王洋
wanghongyang1767 at gmail.com
Thu Apr 12 04:49:10 PDT 2012
Hi all,
is there a template available to prepare the modeling of large scale
building projects?
My template is fine for up to 15 zones, but I am looking for something of
50 zones (including 3 floors) or more ...
Thanks,
wang
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Date: 2012/4/10
Subject: TRNSYS-users Digest, Vol 88, Issue 15
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Today's Topics:
1. template (leen peeters)
2. Re: online plotter in CombiSys (David BRADLEY)
3. Re: Type 927, Number of specified flows (David BRADLEY)
---------- 已转发邮件 ----------
From: leen peeters <l.f.r.peeters at gmail.com>
To: TRNSYS-users at cae.wisc.edu
Cc:
Date: Tue, 10 Apr 2012 21:04:27 +0200
Subject: [TRNSYS-users] template
Hi all,
is there a template available to prepare the modeling of large scale
building projects?
My template is fine for up to 15 zones, but I am looking for something of
50 zones or more ...
Thanks,
leen
---------- 已转发邮件 ----------
From: David BRADLEY <d.bradley at tess-inc.com>
To: Shuai Deng <deng32 at purdue.edu>
Cc: trnsys-users at cae.wisc.edu
Date: Tue, 10 Apr 2012 14:09:54 -0500
Subject: Re: [TRNSYS-users] online plotter in CombiSys
Shuai,
The *** syntax is a special code recognized by the TRNSYS input file
processor to mean "append the name of the input file onto the specified
extension"
before modification of the input file, you should find files called
combisys.ou1, combiSys.ou2, etc.
By deleting one of the three asterisks the processor now thinks that the
output file names should be:
**.ou1, **.ou2. It will no longer append the name of the input file onto
the specified extension.
Best,
David
On 4/3/2012 21:38, Shuai Deng wrote:
Dear all,
I downloaded Combisys demo and found it is pretty easy to use as an
education tool
to show the basic operation of solar combi-system.
I even discussed with some students in my lesson about the content of trd
file,
sth like: how the data transfer between types, and how to add our cities
into the demo to extend its function,
and how to add some solar collector types they obtained from google to the
demo.
To be honest, I can feel they really like this demo.
One of them asked me a question about how to output the results of two
online plotters in the system.
Actually, the system, described in combisys.trd demo file, contains:
a. 2 online plotters: unit 41, type 65, output file: Assign ***.ou1
unit 45, type 65, output file: Assign ***.ou2
They are mainly used for showing the operation information of the system.
In the original content of combisys.trd file, they are set "no need to
output result file", just used as two "monitors".
b. Unit 51, Type 24, Monthly Integrator + Unit 52, Type 25, Printer
they can be considered as two partners, and work together to output file:
Assign ***.out
c. Unit 50 Type 28 Simulation Summary
output file: Assign ***.sum
The thing is
we remove the "*" before the output statement "Assign ***.ou1" and ou2 in
the related groups of online plotters, so that the demo can output these
two result files.
however, we found no data is in the ou1 and ou2 file, they are blank.
and other output files works.
So, we did some assumption analysis ( actually, it likes a simple brain
storm ) about why it happens:
a. no data are calculated out by demo: that is not true, because online
plotter works very, both of them. all the performance curves are shown
every calculation step.
b. online plotters only show the results, not record the data into output
file:
we thought that is also not true. The script regarding the online plotter
is shown below:
*|[OL2|
*
*
Unit 45 Type 65 Online plotter
*
Parameters 10 ! Here shows 10 parameters of type 65, OFF=0 means display
online; LU=-1 , we guess it is means logical unit =-1?
*
*NbLeft NbRight LeftMin LeftMax RightMin RightMax
6 2 0.0 100000000 0.0 100.0
*NbPlots XGridPts OFF LU
1 10 0 -1
*
Inputs 8
*
44,1 44,2 44,5 44,6 44,7 44,4 EFFCOLL
SOLFRAC
ESol EAux EMains EDHW EHouse ELossTank EffCol
SolFrac
*
*
Labels 5
*
kJ %
Energy
Percentage
Integrated
*
Assign ***.ou2 22 ! here we just remove the header sign "*".
*
*|]
c. this online plotter is type 65c, means a online plotter without file:
because "assign" statement has already been contained, so it seems not to
be a right answer.
d. the post-processing will erase the data in the ou1 and ou2 files: that
is a interesting idea from one student, but we checked the "out" folder,
bat and txt file did not support this assumption.
In a summary, we have no idea about why two output files-ou1 and ou2 are
blank.
Thus, I send this email to all of you for a help.
Any comments and advise will be helpful to us.
Thanks,
_______________________________________________
TRNSYS-users mailing
listTRNSYS-users at cae.wisc.eduhttps://mailman.cae.wisc.edu/listinfo/trnsys-users
--
***************************
David BRADLEY
Principal
Thermal Energy Systems Specialists, LLC
22 North Carroll Street - suite 370
Madison, WI 53703 USA
P:+1.608.274.2577
F:+1.608.278.1475d.bradley at tess-inc.com
http://www.tess-inc.comhttp://www.trnsys.com
---------- 已转发邮件 ----------
From: David BRADLEY <d.bradley at tess-inc.com>
To: Richard Thygesen <richard.thygesen at mdh.se>
Cc: "TRNSYS-users at engr.wisc.edu" <TRNSYS-users at engr.wisc.edu>
Date: Tue, 10 Apr 2012 14:18:47 -0500
Subject: Re: [TRNSYS-users] Type 927, Number of specified flows
Richard,
It is important to clarify that the data file for Type927 required at
least two *values *of source and load flow rates in order for the TRNSYS
kernel routine that reads the data file to interpolate correctly. A
modification has been made to TRNSYS 17.1 that allows users to specify only
one value for any of the "independent variables" if they so choose.
The easiest thing to do in Trnsys17.0.x and earlier is simply to copy the
data for the flow rates that you do have and paste it for another
(arbitrary) flow rate. Essentially this just indicates in the data file
that there is no performance dependence on a changing flow rate. Probably
not a great assumption but at least the simulation would run.
Kind regards,
David
On 4/10/2012 04:12, Richard Thygesen wrote:
Hi.****
Is it necessary to specify three load and source flows in the external file
of type 927? Because it seems like it should be possible to only have two
but when I try to simulate I get two errors ****
** **
*“The referenced Unit has a bad parameter value.*
*Reported information : Parameter # 11, Reported Problem: There must be at
least two source flow rates.” *
* *
*“The referenced Unit has a bad parameter value.*
*Reported information : Parameter # 12, Reported Problem: There must be at
least two load flow rates.”*
** **
The problem is that I have specified two load and source flows.****
Has anyone encountered this problem?****
** **
Best regards****
*Richard Thygesen*
** **
_______________________________________________
TRNSYS-users mailing
listTRNSYS-users at cae.wisc.eduhttps://mailman.cae.wisc.edu/listinfo/trnsys-users
--
***************************
David BRADLEY
Principal
Thermal Energy Systems Specialists, LLC
22 North Carroll Street - suite 370
Madison, WI 53703 USA
P:+1.608.274.2577
F:+1.608.278.1475d.bradley at tess-inc.com
http://www.tess-inc.comhttp://www.trnsys.com
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