[TRNSYS-users] zone air temperature (NTYPE 1: TAIR)

David BRADLEY d.bradley at tess-inc.com
Fri Dec 17 09:21:12 PST 2010


Wang,
   Information of this kind can be found in the TRNBuild / Type56 
documentation (volume 05 in the Trnsys17 documentation set).
Kind Regards,
  David

On 12/17/2010 07:22, 王洋 wrote:
>
> Dear all,
>      I have a question about room air temperature: NTYPE 1: TAIR. As 
> we know, there are different room air temperature in different height 
> of one room. Besides that,  the wall, the floor and roof temperature 
> of the room are also not the same. Please tell me  what's meaning of 
> NTYPE 1: TAIR? Where is This AIRNODE? How to define This AIRNODE?
>  PLUS: to Operative(operation) temperature of room:  How to define 
> it?  What' meaning is  Operative(operation)temperature of room? What's 
> difference of Operative(operation) temperature of room and  NTYPE 1: TAIR?
> Many thanks!
> Br.
> wang
> 2010/12/17 <trnsys-users-request at cae.wisc.edu 
> <mailto:trnsys-users-request at cae.wisc.edu>>
>
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>     Today's Topics:
>
>       1. Re: Type 56 (David BRADLEY)
>       2. Re: Psychrometrics (David BRADLEY)
>       3. Re : Re:  Psychrometrics (Jérôme Deroche)
>       4. error when opening sketchup (Annie Marston)
>
>
>     ---------- 已转发邮件 ----------
>     From: David BRADLEY <d.bradley at tess-inc.com
>     <mailto:d.bradley at tess-inc.com>>
>     To: Abduljalil Ali Al-Abidi <abo_anas4 at yahoo.com
>     <mailto:abo_anas4 at yahoo.com>>
>     Date: Thu, 16 Dec 2010 12:47:43 -0600
>     Subject: Re: [TRNSYS-users] Type 56
>     Abduljalil,
>       In order to change the wall layers, open TRNBuild and open your
>     building description file (*.bui or *.b17). Select Typemanager:
>     Walls from the menus at the top of the screen. Select the
>     appropriate wall from the drop-down list. Double click on a layer
>     in order to change its thickness.
>     Best,
>      David
>
>
>     On 12/16/2010 03:26, Abduljalil Ali Al-Abidi wrote:
>>     Dear Trnsys user
>>     I am a new trnsys user and I want to change the thickness of the
>>     wall insulation in the tape 56 ( multi-zone building ). Is it
>>     possible to change this thickness in this type ex. for insulation
>>     = 5 cm to 20 cm step 5cm.
>>     I would like to study the effect of insulation thick to the
>>     performance of the system
>>     best regards
>>
>>
>>     _______________________________________________
>>     TRNSYS-users mailing list
>>     TRNSYS-users at cae.wisc.edu  <mailto:TRNSYS-users at cae.wisc.edu>
>>     https://www-old.cae.wisc.edu/mailman/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:+1.608.278.1475
>     d.bradley at tess-inc.com  <mailto:d.bradley at tess-inc.com>
>
>     http://www.tess-inc.com  <http://www.tess-inc.com/>
>     http://www.trnsys.com  <http://www.trnsys.com/>
>
>
>
>     ---------- 已转发邮件 ----------
>     From: David BRADLEY <d.bradley at tess-inc.com
>     <mailto:d.bradley at tess-inc.com>>
>     To: "Jérôme Deroche" <deroche.jerome at cedre-sophia.com
>     <mailto:deroche.jerome at cedre-sophia.com>>
>     Date: Thu, 16 Dec 2010 12:50:55 -0600
>     Subject: Re: [TRNSYS-users] Psychrometrics
>     Jérôme,
>       What is most likely happening is that at a pressure of 1atm,
>     your combination of the dry bulb temperature and the absolute
>     humidity ratio are on the wrong side of the saturation line. Since
>     that is physically impossible, the psychometric routine  keeps
>     your dry bulb temperature and resets the absolute humidity ratio
>     to the value it would be if the relative humidity were 100%.
>     Best,
>      David
>
>
>     On 12/16/2010 04:21,  wrote:
>>     Hello,
>>     i'm using a psychrometrics type with dry bulb temperature and
>>     absolute humidity ratio in inputs. Pressure input is set to 1 atm.
>>
>>     I have noticed that sometimes there is a difference between the
>>     input humidity ratio and the output humidity ratio. The
>>     difference ratio is about 1 to 12%.
>>
>>     Could someone explain to me why this difference happens?
>>
>>     Thank you
>>
>>     Jérôme DEROCHE
>>     Ingénieur d'études
>>
>>     CEDRE
>>
>>     Tel: 04 92 96 03 77
>>     Port: 06 25 11 21 93
>>     Ophira 1, 1 place Bermond
>>     06560 SOPHIA-ANTIPOLIS
>>
>>
>>     _______________________________________________
>>     TRNSYS-users mailing list
>>     TRNSYS-users at cae.wisc.edu  <mailto:TRNSYS-users at cae.wisc.edu>
>>     https://www-old.cae.wisc.edu/mailman/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:+1.608.278.1475
>     d.bradley at tess-inc.com  <mailto:d.bradley at tess-inc.com>
>
>     http://www.tess-inc.com  <http://www.tess-inc.com/>
>     http://www.trnsys.com  <http://www.trnsys.com/>
>
>
>
>     ---------- 已转发邮件 ----------
>     From: "Jérôme Deroche" <deroche.jerome at cedre-sophia.com
>     <mailto:deroche.jerome at cedre-sophia.com>>
>     To: David BRADLEY <d.bradley at tess-inc.com
>     <mailto:d.bradley at tess-inc.com>>
>     Date: Fri, 17 Dec 2010 05:08:17 -0500 (EST)
>     Subject: [TRNSYS-users] Re : Re: Psychrometrics
>     Your answers are right.
>     Thank you very much
>
>
>
>     Jérôme DEROCHE
>     Ingénieur d'études
>
>     CEDRE
>
>     Tel: 04 92 96 03 77
>     Port: 06 25 11 21 93
>     Ophira 1, 1 place Bermond
>     06560 SOPHIA-ANTIPOLIS
>
>
>       Message original Re : Re: [TRNSYS-users] Psychrometrics
>
>     *De : *David BRADLEY <d.bradley at tess-inc.com
>     <mailto:d.bradley at tess-inc.com>>
>     *A : *Jérôme Deroche <deroche.jerome at cedre-sophia.com
>     <mailto:deroche.jerome at cedre-sophia.com>>
>     *Date* : 2010-12-16 19:51:05
>
>     Jérôme,
>       What is most likely happening is that at a pressure of 1atm,
>     your combination of the dry bulb temperature and the absolute
>     humidity ratio are on the wrong side of the saturation line. Since
>     that is physically impossible, the psychometric routine  keeps
>     your dry bulb temperature and resets the absolute humidity ratio
>     to the value it would be if the relative humidity were 100%.
>     Best,
>      David
>
>
>     On 12/16/2010 04:21,  wrote:
>>     Hello,
>>     i'm using a psychrometrics type with dry bulb temperature and
>>     absolute humidity ratio in inputs. Pressure input is set to 1 atm.
>>
>>     I have noticed that sometimes there is a difference between the
>>     input humidity ratio and the output humidity ratio. The
>>     difference ratio is about 1 to 12%.
>>
>>     Could someone explain to me why this difference happens?
>>
>>     Thank you
>>
>>     Jérôme DEROCHE
>>     Ingénieur d'études
>>
>>     CEDRE
>>
>>     Tel: 04 92 96 03 77
>>     Port: 06 25 11 21 93
>>     Ophira 1, 1 place Bermond
>>     06560 SOPHIA-ANTIPOLIS
>>
>>
>>     _______________________________________________
>>     TRNSYS-users mailing list
>>     TRNSYS-users at cae.wisc.edu  <mailto:TRNSYS-users at cae.wisc.edu>
>>     https://www-old.cae.wisc.edu/mailman/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:+1.608.278.1475
>     d.bradley at tess-inc.com  <mailto:d.bradley at tess-inc.com>
>
>     http://www.tess-inc.com  <http://www.tess-inc.com/>
>     http://www.trnsys.com  <http://www.trnsys.com/>
>
>
>
>     ---------- 已转发邮件 ----------
>     From: Annie Marston <A.Marston at eb-engineers.com
>     <mailto:A.Marston at eb-engineers.com>>
>     To: "trnsys-users at cae.wisc.edu <mailto:trnsys-users at cae.wisc.edu>"
>     <trnsys-users at cae.wisc.edu <mailto:trnsys-users at cae.wisc.edu>>
>     Date: Thu, 16 Dec 2010 14:30:35 +0000
>     Subject: [TRNSYS-users] error when opening sketchup
>
>     Hi,
>
>     I am using the TRNSYS 3d plugin for SketchUp V7. I have v8 but the
>     plugin doesn’t seem to attach to v8 (is this correct? Is there a
>     plugin for v8). Whenever I open sketch up I get the following error:
>
>     Sorry… the plugin has encountered an error. This error may cause
>     unpredictable behavior in the plugin continue this session with
>     caution! It would probably be a good idea to exit SketchUp  and
>     start again. (unfortunately this happens everytime I open sketchup)
>
>     For help please contact…
>
>     Error:
>
>     NameError
>
>     Wrong constant name jectinfoInterface
>
>     Backtrace:
>
>     C:/Program Files (x86)/Google/Google SketchUp
>     7/Plugins/Trnsys3d/lib/DialogManager.rb:31:in `const_get'
>
>     C:/Program Files (x86)/Google/Google SketchUp
>     7/Plugins/Trnsys3d/lib/DialogManager.rb:31:in `restore_state'
>
>     C:/Program Files (x86)/Google/Google SketchUp
>     7/Plugins/Trnsys3d/lib/DialogManager.rb:31:in `initialize'
>
>     C:/Program Files (x86)/Google/Google SketchUp
>     7/Plugins/Trnsys3d/lib/AsynchProc.rb:13:in `call'
>
>     My version of the plugin is 1.0.5.362
>
>     Can you help
>
>     Thanks
>
>     Annie
>
>     *Dr. A. Marston, Ph.D. LEED® AP*
>
>     *Building Performance Analyst*
>
>     *Ebert & Baumann Consulting Engineers, Inc.*
>
>     *An  Enterprise  of  the  Ebert-Consulting Group***
>
>     734 15^th Street, NW
>
>     Suite 1000
>
>     Washington, D.C. 20005, USA
>
>     *Tel          +1.202.608.1334***
>
>     *Fax         +1.202.544.1434*
>
>     **
>
>     *a.marston at eb-engineers.com <mailto:a.marston at eb-engineers.com>*
>
>
>     _______________________________________________
>     TRNSYS-users mailing list
>     TRNSYS-users at cae.wisc.edu <mailto:TRNSYS-users at cae.wisc.edu>
>     https://www-old.cae.wisc.edu/mailman/listinfo/trnsys-users
>
>
>
> _______________________________________________
> TRNSYS-users mailing list
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-- 
***************************
David BRADLEY
Principal
Thermal Energy Systems Specialists, LLC
22 North Carroll Street - suite 370
Madison, WI  53703 USA

P:+1.608.274.2577
F:+1.608.278.1475
d.bradley at tess-inc.com

http://www.tess-inc.com
http://www.trnsys.com

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