>
>
> Wang,
> The thermal time
constant for a zone in your
building is not a simple
> thing to compute. It
has to do with the materials
in the wall, the
> placement
> of the mass within the
wall, the capacitance of the
zone, ventilation,
> infiltration, gains,
solar radiation, etc. I
would think that the easiest
> way to get an estimate
of the zone's thermal time
constant is to impose a
> step change in one
input on it - step change
the ambient temperature
while
> holding all other
inputs constant for example.
>
> The numbers that you
see in the *.inf file are
transfer function
> coefficients. You can
read in the ASHRAE Handbook
of Fundamentals about
> the
> Conduction Transfer
Function methodology.
> Regards,
> David
>
>
>
> On 11/3/2010 09:29, 王洋
wrote:
>
> Dear all,
>
> 1. How to calculate or
find the thermal time
constant of zone in TRNSYS
> software?
>
> ---------- WALL TYPE
BST_FL_HEAT_W1
----------
>
> THERMAL
CONDUCTANCE, U= 67.80000
kJ/h m2K; U-Wert=
4.48235
> W/m2K
> (incl.
alpha_i=7.7 W/m^2 K and
alpha_o=25 W/m^2 K)
>
>
TRANSFERFUNCTION
COEFFICIENTS
> K A
B C
D
>
> 0
1.7050117E+02
2.1087019E+01
1.7050117E+02
> 1.0000000E+00
> 1
-1.1800059E+02
3.5808933E+01
-1.1800059E+02
> -1.3683139E-01
> 2
6.0267372E+00
1.6298573E+00
6.0267372E+00
> 4.7362566E-05
> 3
-1.2736107E-03
2.3363784E-04
-1.2736107E-03
> SUM
5.8526043E+01
5.8526043E+01
5.8526043E+01
> 8.6321597E-01
> What's meaning of A B C
D? Are they Wall's
TRANSFERFUNCTION
COEFFICIENTS?
> And what is the thermal
time constant of the whole
zone? How to calculate
> or
> find the thermal time
constant of the whole zone
in TRNSYS software?
> Need I calculate by
myself the whole zone's
TRANSFERFUNCTION based on
> all
> the walls of the zone
or others?
>
> 2. How to calculate or
find air volume flow of the
window opening in
> TRNFlow software?
> The window opening
area (m2)is known. Whether
it needs the wind
> speed(m/s)
> or not?
>
> Many thanks!
>
> Br.
>
> wang
> 2010/11/3 <
trnsys-users-request@cae.wisc.edu>
>
>> Send TRNSYS-users
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>>
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>>
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>> When replying,
please edit your Subject
line so it is more specific
>> than "Re: Contents
of TRNSYS-users digest..."
>>
>> Today's Topics:
>>
>> 1. Re: GenOpt
optimization: problem for
the second generation
>> after 5
simulations (Thibaut VITTE)
>> 2. Re: google
sketchup+trnsys3d (hotline)
>> 3. input file
(Emiliano Casati - 3ME)
>> 4. Re: GenOpt
optimization: problem for
the secondgeneration
>> after 5
simulations (Timothy
McDowell)
>>
>>
>> ---------- 已转发邮件
----------
>> From: Thibaut VITTE
<
thibaut.vitte@h3c-energies.fr>
>> To:
trnsys-users@cae.wisc.edu
>> Date: Wed, 03 Nov
2010 11:27:53 +0100
>> Subject: Re:
[TRNSYS-users] GenOpt
optimization: problem for
the second
>> generation after 5
simulations
>> Dear Alexis,
>>
>> I've had a similar
error when I used Genopt.
I've had several components
>> tracked by a
"trace" command that made my
list file enormous (more
than
>> 100Mb) and genopt
could'nt handle that amount
of data.
>>
>> Just my 2cents.
>>
>> Thibaut
>> --
>>
>> Le futur maîtrisé
>>
>> Thibaut VITTE
>>
>> Docteur - Ingénieur
Energies
>>
>> Mail :
thibaut.vitte@h3c-energies.fr
>>
>>
-----------------------------
>>
>> H3C-énergies
>>
>> 35, chemin du vieux
Chêne - 38240 MEYLAN
>>
>> Tél : 04 76 41 88
66 – Fax : 04 76 41 28 94
>>
>>
www.h3c-energies.fr
>>
>>
>>
-----------------------------------------------------------------------------------
>>
>> Afin de contribuer
au respect de
l'environnement, merci de
n'imprimer ce
>> message qu'en cas
de nécessité.
>>
>> In order to respect
the environment, please
don't print this e-mail
>> unless
>> you really need to.
>>
>>
>> ---------- 已转发邮件
----------
>> From: "hotline"
<
hotline@transsolar.com>
>> To: "julia.feste"
<
julia.feste@whitepavilion.com.cn>
>> Date: Wed, 3 Nov
2010 11:37:08 +0100
>> Subject: Re:
[TRNSYS-users] google
sketchup+trnsys3d
>> Hi,
>>
>> that's a well known
problem that will be fixed
in the next version.
>> Hopefully upcoming
within the next weeks.
>>
>> Regards
>> Christian
>>
>> TRANSSOLAR Software
Team
>>
hotline@transsolar.com
>>
>>
www.trnsys.de
>> Transsolar
KlimaEngineering -
Technologien für
energieeffizientes Bauen
>> und Nutzerkomfort
in Gebäuden
>> Transsolar
Energietechnik GmbH,
Curiestrasse 2, 70563
Stuttgart /
>> Amtsgericht
Stuttgart - HRB 23347 /
USt-IdNr.: 99073/00911
>> Geschäftsführer:
Dipl.Ing. Matthias Schuler,
Dipl.Ing. Thomas Auer,
>> Dipl.Phys. Stefan
Holst, Prof. Volkmar
Bleicher
>>
>> -----Ursprüngliche
Nachricht-----
>> Von: julia.feste
[mailto:
julia.feste@whitepavilion.com.cn]
>> Gesendet: Mittwoch,
3. November 2010 06:46
>> An:
trnsys-users@cae.wisc.edu
>> Betreff:
[TRNSYS-users] google
sketchup+trnsys3d
>>
>>
>> Hello everybody,
>> Thanks for your
posts that's always really
interesting!
>> I come up with a
problem using Google
Sketchup and TRNSYS3D:
inside a
>> TRNSYS zone, I
draft a square, then I want
to pull it up at a certain
>> height, so I write
the number then Enter, and
this error appears:
>>
>> <-----Beginning
of the error----->
>> ERROR:
>> NoMethodError
>> undefined method
`position' for
>>
#<Sketchup::AttributeDictionary:0xfcb4eb8>
>>
>> BACKTRACE:
>> C:/Program
Files/Google/Google SketchUp
>>
8/Plugins/Trnsys3d/sketchup/Sketchup.rb:309:in
`polygon_loop'
>> C:/Program
Files/Google/Google SketchUp
>>
8/Plugins/Trnsys3d/sketchup/Sketchup.rb:309:in
`each'
>> C:/Program
Files/Google/Google SketchUp
>>
8/Plugins/Trnsys3d/sketchup/Sketchup.rb:309:in
`polygon_loop'
>> C:/Program
Files/Google/Google SketchUp
>>
8/Plugins/Trnsys3d/sketchup/Sketchup.rb:321:in
`outer_polygon'
>> C:/Program
Files/Google/Google SketchUp
>>
8/Plugins/Trnsys3d/sketchup/Sketchup.rb:326:in
`polygon'
>> C:/Program
Files/Google/Google SketchUp
>>
8/Plugins/Trnsys3d/lib/interfaces/DrawingUtils.rb:27:in
>> `detect_base_face'
>> C:/Program
Files/Google/Google SketchUp
>>
8/Plugins/Trnsys3d/lib/interfaces/DrawingUtils.rb:20:in
`each'
>> C:/Program
Files/Google/Google SketchUp
>>
8/Plugins/Trnsys3d/lib/interfaces/DrawingUtils.rb:20:in
>> `detect_base_face'
>> C:/Program
Files/Google/Google SketchUp
>>
8/Plugins/Trnsys3d/lib/interfaces/BaseSurface.rb:254:in
`face_polygon'
>> C:/Program
Files/Google/Google SketchUp
>>
8/Plugins/Trnsys3d/lib/interfaces/BaseSurface.rb:253:in
`each'
>> C:/Program
Files/Google/Google SketchUp
>>
8/Plugins/Trnsys3d/lib/interfaces/BaseSurface.rb:253:in
`face_polygon'
>> C:/Program
Files/Google/Google SketchUp
>>
8/Plugins/Trnsys3d/lib/interfaces/Surface.rb:107:in
>>
`update_input_object'
>> C:/Program
Files/Google/Google SketchUp
>>
8/Plugins/Trnsys3d/lib/interfaces/BaseSurface.rb:94:in
>>
`update_input_object'
>> C:/Program
Files/Google/Google SketchUp
>>
8/Plugins/Trnsys3d/lib/interfaces/DrawingInterface.rb:353:in
>> `on_change_entity'
>> C:/Program
Files/Google/Google SketchUp
>>
8/Plugins/Trnsys3d/lib/observers/FaceObserver.rb:32:in
`onChangeEntity'
>> C:/Program
Files/Google/Google SketchUp
>>
8/Plugins/Trnsys3d/lib/AsynchProc.rb:17:in
`initialize'
>>
>> <-----End of the
error----->
>>
>> When I pull it up
manual, I don't have any
problem, just when I write
>> the number.
>>
>> Thanks in advance
for your help,
>> Julia.
>>
________________________________________
>> From:
trnsys-users-request@cae.wisc.edu
>> [
trnsys-users-request@cae.wisc.edu]
>> Sent: Wednesday,
November 03, 2010 1:04 AM
>> To:
trnsys-users@cae.wisc.edu
>> Subject:
TRNSYS-users Digest, Vol 71,
Issue 4
>>
>> Send TRNSYS-users
mailing list submissions to
>>
trnsys-users@cae.wisc.edu
>>
>> To subscribe or
unsubscribe via the World
Wide Web, visit
>>
https://www-old.cae.wisc.edu/mailman/listinfo/trnsys-users
>> or, via email, send
a message with subject or
body 'help' to
>>
trnsys-users-request@cae.wisc.edu
>>
>> You can reach the
person managing the list at
>>
trnsys-users-owner@cae.wisc.edu
>>
>> When replying,
please edit your Subject
line so it is more specific
than
>> "Re: Contents of
TRNSYS-users digest..."
>>
>>
_______________________________________________
>> TRNSYS-users
mailing list
>>
TRNSYS-users@cae.wisc.edu
>>
https://www-old.cae.wisc.edu/mailman/listinfo/trnsys-users
>>
>>
>>
>>
>>
>>
>>
>> ---------- 已转发邮件
----------
>> From: "Emiliano
Casati - 3ME" <
E.I.M.Casati@tudelft.nl>
>> To: <
trnsys-users@cae.wisc.edu>
>> Date: Wed, 3 Nov
2010 13:19:58 +0100
>> Subject:
[TRNSYS-users] input file
>>
>> Hi to everybody!
>>
>> I don’t understand
why, for certain projects, I
can’t open the input
>> file,
>> the message is “the
system cannot find the path
specified”.
>>
>> Where should I find
the input file?
>>
>>
>>
>> Thanks a lot
>>
>>
>>
>> ec
>>
>>
>> ---------- 已转发邮件
----------
>> From: "Timothy
McDowell" <
mcdowell@tess-inc.com>
>> To: "Thibaut VITTE"
<
thibaut.vitte@h3c-energies.fr>,
>>
trnsys-users@cae.wisc.edu
>> Date: Wed, 3 Nov
2010 07:23:05 -0500 (CDT)
>> Subject: Re:
[TRNSYS-users] GenOpt
optimization: problem for
the
>> secondgeneration
after 5 simulations
>> This type of error
in GenOpt is usually caused
by an error in the TRNSYS
>> simulation. You
need to check the *.lst file
for the TRNSYS run to see
>> what the TRNSYS
error is.
>>
>> Regards,
>>
>> Tim
>>
>>
>>
>>
>>
>>
----------------------------------
>> Timothy McDowell
>> Executive Vice
President
>> Thermal Energy
System Specialists, LLC
>> 22 N. Carroll St,
Suite 370
>> Madison, WI 53703
>> Phone: 608-274-2577
>> Fax: 608-278-1475
>>
>> ----- Original
Message -----
>> From: "Thibaut
VITTE" <
thibaut.vitte@h3c-energies.fr>
>> Sent: Wed, November
3, 2010 5:27
>> Subject:Re:
[TRNSYS-users] GenOpt
optimization: problem for
the
>> secondgeneration
after 5 simulations
>>
>>
>>
>>
>>
>>
>>
>>
>>
>> Dear Alexis,
>>
>> I've had a
similar error when I used
Genopt. I've had several
>> components
tracked by a "trace" command
that made my list file
>> enormous (more
than 100Mb) and genopt
could'nt handle that amount
of
>> data.
>>
>> Just my 2cents.
>>
>> Thibaut
>> --
>>
>>
>> .bodyclass
@page { size: 8.5in 11in;
margin-top: 0.7874in;
>> margin-bottom:
>> 0.7874in;
margin-left: 0.7874in;
margin-right: 0.7874in }
>> .bodyclass
table {
border-collapse:collapse;
border-spacing:0;
>> empty-cells:show }
>> .bodyclass td,
th { vertical-align:top;
font-size:12pt;}
>> .bodyclass h1,
h2, h3, h4, h5, h6 {
clear:both }
>> .bodyclass ol,
ul { margin:0; padding:0;}
>> .bodyclass li
{ list-style: none;
margin:0; padding:0;}
>> .bodyclass li
span.odfLiEnd { clear: both;
line-height:0; width:0;
>> height:0; margin:0;
padding:0; }
>> .bodyclass
span.footnodeNumber {
padding-right:1em; }
>> .bodyclass * {
margin:0; }
>> .bodyclass
.fr1 { font-size:12pt;
text-align:center;
>> vertical-align:top;
>> margin-left:0in;
margin-right:0in;
margin-top:0in;
margin-bottom:0in;
>> padding:0in;
border-style:none; }
>> .bodyclass .P1
{ font-size:12pt;
margin-bottom:0in;
margin-top:0in;
>> font-family:Times
New Roman; text-align:center
! important; }
>> .bodyclass
.P10 { font-size:7.5pt;
margin-bottom:0in;
>> margin-top:0in;
>> font-family:Tahoma,
sans-serif;
text-align:justify !
important;
>> color:#f79646; }
>> .bodyclass .P2
{ font-size:9pt;
margin-bottom:0in;
margin-top:0in;
>> font-family:Tahoma,
sans-serif;
text-align:center !
important;
>> color:#e36c0a;
font-style:italic;
font-weight:bold; }
>> .bodyclass .P3
{ font-size:9pt;
margin-bottom:0in;
margin-top:0in;
>> font-family:Tahoma,
sans-serif;
text-align:justify !
important;
>> color:#e36c0a;
font-weight:bold; }
>> .bodyclass .P4
{ font-size:9pt;
margin-bottom:0in;
margin-top:0in;
>> font-family:Tahoma,
sans-serif;
text-align:justify !
important;
>> color:#e36c0a;
font-weight:bold; }
>> .bodyclass .P5
{ font-size:7.5pt;
margin-bottom:0in;
>> margin-top:0in;
>> font-family:Tahoma,
sans-serif; color:#e36c0a;
font-weight:bold; }
>> .bodyclass .P6
{ font-size:7.5pt;
margin-bottom:0in;
>> margin-top:0in;
>> font-family:Tahoma,
sans-serif;
text-align:justify !
important;
>> color:#3329b1; }
>> .bodyclass
.P61 { font-size:8.5pt;
margin-bottom:0in;
>> margin-top:0in;
>> font-family:Tahoma,
sans-serif;
text-align:justify !
important;
>> color:#3329b1; }
>> .bodyclass .P7
{ font-size:7.5pt;
margin-bottom:0in;
>> margin-top:0in;
>> font-family:Tahoma,
sans-serif;
text-align:justify !
important;
>> color:#3329b1;
font-style:italic; }
>> .bodyclass .P8
{ font-size:7.5pt;
margin-bottom:0in;
>> margin-top:0in;
>> font-family:Tahoma,
sans-serif;
text-align:justify !
important;
>> color:#3329b1;
font-style:italic; }
>> .bodyclass .P9
{ font-size:12pt;
margin-bottom:0in;
margin-top:0in;
>> font-family:Times
New Roman;
text-align:justify !
important; }
>> .bodyclass
.P91 { font-size:12pt;
margin-bottom:0in;
>> margin-top:0.05in;
>> font-family:Times
New Roman;
text-align:justify !
important; }
>> .bodyclass
.Standard { font-size:12pt;
font-family:Times New Roman;
>> }
>> .bodyclass .T1
{ color:#f79646; }
>> .bodyclass .T2
{ color:#f79646;
font-family:Tahoma,
sans-serif;
>> font-size:7.5pt; }
>> .bodyclass .T3
{ color:#3329b1;
font-family:Tahoma,
sans-serif;
>> font-size:7.5pt; }
>> .bodyclass { }
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>> Le
futur maîtrisé
>>
>>
>>
>>
>>
>>
>>
>>
Thibaut VITTE
>>
Docteur - Ingénieur
Energies
>> Mail :
thibaut.vitte@h3c-energies.fr
>>
>>
-----------------------------
>>
H3C-énergies
>> 35,
chemin du vieux Chêne -
38240 MEYLAN
>> Tél :
04 76 41 88 66 – Fax : 04 76
41 28
>> 94
>>
www.h3c-energies.fr
>>
>>
>>
>>
>>
>>
>>
>>
>>
-----------------------------------------------------------------------------------
>> Afin de
contribuer au respect de
l'environnement,
>> merci de
n'imprimer ce message qu'en
cas de nécessité.
>> In order to
respect the environment,
please don't
>> print this
e-mail unless you really
need to.
>>
>>
>>
>>
>>
>>
>>
_______________________________________________
>> TRNSYS-users
mailing list
>>
TRNSYS-users@cae.wisc.edu
>>
https://www-old.cae.wisc.edu/mailman/listinfo/trnsys-users
>>
>>
>> ----- End of
original message -----
>>
>>
>>
>>
_______________________________________________
>> TRNSYS-users
mailing list
>>
TRNSYS-users@cae.wisc.edu
>>
https://www-old.cae.wisc.edu/mailman/listinfo/trnsys-users
>>
>>
>
>
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