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<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Clarification below<o:p></o:p></span></font></p>
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<div>
<p class=MsoNormal><strong><b><font size=3 color=navy face=Garamond><span
style='font-size:12.0pt;font-family:Garamond;color:navy'>Kent Beason</span></font></b></strong><font
color=navy><span style='color:navy'><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Garamond><span
style='font-size:10.0pt;font-family:Garamond;color:navy'>Schlitterbahn
Development Group</span></font><font color=navy><span style='color:navy'><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Garamond><span
style='font-size:10.0pt;font-family:Garamond;color:navy'>830-609-8904 m</span></font><font
color=navy><span style='color:navy'><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 color=navy face="Times New Roman"><span
style='font-size:12.0pt;color:navy'> </span></font><o:p></o:p></p>
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<p class=MsoNormal><b><font size=2 face=Tahoma><span style='font-size:10.0pt;
font-family:Tahoma;font-weight:bold'>From:</span></font></b><font size=2
face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'> Kent Beason <br>
<b><span style='font-weight:bold'>Sent:</span></b> Monday, September 28, 2009
3:15 PM<br>
<b><span style='font-weight:bold'>To:</span></b> trnsys-users@engr.wisc.edu<br>
<b><span style='font-weight:bold'>Subject:</span></b> RE: [TRNSYS-users]
Indoor/Outdoor Pool Type 344</span></font><o:p></o:p></p>
</div>
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12.0pt'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>With the use of the recompiled DLLs (thx
Matt), I’ve started to incorporate forcing functions/equations that
govern the (Wind Speed or Indoor Air Speed), (Amb RH or Zone RH), and (Amb temp
or Zone temp) with the use of heating and cooling season indicators from
Type15. Adding each of these forcing functions one at a time and then
testing, I encountered no problems until I added a forcing function/equation
for Type344 l to use the Type56 zone temp during heating season and the ambient
temp from Type15 <b><span style='font-weight:bold'>during cooling season</span></b>.
As I anticipated, I am having convergence problems in the simulation when it
transitions from closed to open pool: the pool temp runs away to the high
side. What check might I need to add into the simulation to better
implement the transition from closed pool to open pool so there are no
convergence problems?<o:p></o:p></span></font></p>
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10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<div>
<p class=MsoNormal><strong><b><font size=3 color=navy face=Garamond><span
style='font-size:12.0pt;font-family:Garamond;color:navy'>Kent Beason</span></font></b></strong><font
color=navy><span style='color:navy'><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Garamond><span
style='font-size:10.0pt;font-family:Garamond;color:navy'>Schlitterbahn
Development Group</span></font><font color=navy><span style='color:navy'><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Garamond><span
style='font-size:10.0pt;font-family:Garamond;color:navy'>830-609-8904 m</span></font><font
color=navy><span style='color:navy'><o:p></o:p></span></font></p>
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style='font-size:12.0pt;color:navy'> </span></font><o:p></o:p></p>
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<p class=MsoNormal><b><font size=2 face=Tahoma><span style='font-size:10.0pt;
font-family:Tahoma;font-weight:bold'>From:</span></font></b><font size=2
face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'> Matt Duffy
[mailto:duffy@tess-inc.com] <br>
<b><span style='font-weight:bold'>Sent:</span></b> Monday, September 28, 2009
9:26 AM<br>
<b><span style='font-weight:bold'>To:</span></b> Kent Beason;
trnsys-users@engr.wisc.edu<br>
<b><span style='font-weight:bold'>Subject:</span></b> Re: [TRNSYS-users]
Indoor/Outdoor Pool Type 344</span></font><o:p></o:p></p>
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12.0pt'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='margin-bottom:12.0pt'><st1:place w:st="on"><st1:country-region
w:st="on"><font size=3 face="Times New Roman"><span style='font-size:12.0pt'>Kent</span></font></st1:country-region></st1:place>,<br>
<br>
Yes, you will indeed have to recompile after making those changes in the source
code. Also, make sure the NP, NI, NO are correct for your changes as well.<br>
<br>
Best regards,<br>
<br>
Matt Duffy<br>
<br>
<br>
<o:p></o:p></p>
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<p class=MsoNormal style='margin-bottom:12.0pt'><strong><b><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>----- Original Message
-----</span></font></b></strong><br>
<strong><b><font face="Times New Roman">From:</font></b></strong>
kbeason@schlitterbahn.com<br>
<strong><b><font face="Times New Roman">Sent:</font></b></strong> Mon,
September 28, 2009, 6:13 AM<br>
<strong><b><font face="Times New Roman">Subject:</font></b></strong> Re:
[TRNSYS-users] Indoor/Outdoor Pool Type 344<o:p></o:p></p>
<div>
<p class=MsoNormal><font size=1 face=Arial><span style='font-size:7.0pt;
font-family:Arial'>Do the Type344 DLLs need to be recompiled after
modifications to the<br>
source code and proforma? I've changed the source code ("trnsys<br>
declarations", "read parameters", and "read input"
sections) and the<br>
proforma to reflect 17 and 9 inputs and parameters, resp, instead of the<br>
original 16 & 10 count. (Parameter 4 was changed to an input and its<br>
Min/Max range was modified to allow switching from indoor to outdoor<br>
pool.) However, I am still getting fatal error messages before the<br>
simulation starts regarding the inconsistency in the number of<br>
parameters and inputs. <br>
<br>
"...17 inputs were supplied and 16 are required..."<br>
Similarly for parameters.<br>
<br>
Kent Beason<br>
Schlitterbahn Development Group<br>
830-609-8904 m<br>
<br>
<br>
-----Original Message-----<br>
From: David Bradley [mailto:<a
href="javascript:parent.CreateMailTo('bradley%40tess-inc.com')">bradley@tess-inc.com</a>]
<br>
Sent: Monday, September 21, 2009 1:25 PM<br>
To: Kent Beason<br>
Cc: <a href="javascript:parent.CreateMailTo('trnsys-users%40engr.wisc.edu')">trnsys-users@engr.wisc.edu</a><br>
Subject: Re: [TRNSYS-users] Indoor/Outdoor Pool Type 344<br>
<br>
<st1:place w:st="on"><st1:country-region w:st="on">Kent</st1:country-region></st1:place>,<br>
Changing the window glazing ID to 10001 (no glazing) will allow solar <br>
to pass unhindered through the building envelope. I am not sure it <br>
captures all of the changes that you want because when your in <br>
indoor-pool mode, you want the pool's water mass exchange to occur <br>
between the pool surface and the trapped zone air. When you go to <br>
outdoor pool mode, however, the pool exchanges water mass with ambient <br>
air. I would think that at the least, you would also want to add a very <br>
large infiltration amount into your zone when you go into outdoor mode. <br>
As for the switch between indoor and outdoor mode, I took a really quick<br>
<br>
look at the component and it looks like if you moved some of the <br>
parameters to inputs, you could hot-swap the pool model in the middle of<br>
<br>
the simulation. If you did that, you could come up with whatever <br>
algorithm or forcing function you wanted to switch back and forth <br>
between indoor and outdoor modes.<br>
Kind regards,<br>
David<br>
<br>
Kent Beason wrote:<br>
> Hello Trnsys users,<br>
><br>
> Anyone at Transsolar who<br>
> developed these models (or others) considered the possibility of using<br>
> both the indoor and outdoor pool models during the simulation of one<br>
> pool? First guess is that it might involve outputting data from the<br>
> last time step of the indoor pool model to a file, reading that into<br>
the<br>
> outdoor pool at X timestep, then back to the indoor pool later in the<br>
> year. Is there a more sensible approach? <br>
><br>
> Also, to this end, I am not sure how to approach the Hour of the<br>
> relevant yearly weather data file and keeping it synchronized with the<br>
> Hour at which the simulation would switch from indoor, to outdoor,<br>
then<br>
> back to indoor again.<br>
><br>
> Kent Beason<br>
> Schlitterbahn Development Group<br>
> 830-609-8904 m<br>
> 830-608-8040 f<br>
><br>
> _______________________________________________<br>
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target="_blank">https://www-old.cae.wisc.edu/mailman/listinfo/trnsys-users</a><br>
><br>
><br>
><br>
> <br>
<br>
-- <br>
***********************************************************************<br>
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