[TRNSYS-users] Set 2 or more than 2 AIRNODES

[王洋]

Dear all,

       As we know, the default airnode for one zone is one airnode. But I
want to set 2 or more than 2 airnodes in one zone. Please tell me the
detailed steps how to set 2 or more than 2 airnodes in one zone?

       Furthermore, if I set more than 2 nodes, which advantages has
it better than only one node in one zone?

      Many thanks in advance!

    Br.

wang

2011/7/25 王洋 <wanghongyang1767 at gmail.com>

>
>
> 2011/7/22 <trnsys-users-request at cae.wisc.edu>
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>> Today's Topics:
>>
>>   1. Re: Superheated Steam Properties (Jeff Thornton)
>>   2. Re: sloping surfaces (David BRADLEY)
>>   3. Re: Number of Labels (David BRADLEY)
>>
>>
>> ---------- 已转发邮件 ----------
>> From: "Jeff Thornton" <thornton at tess-inc.com>
>> To: farah.gammoh at industrial-solar.de, trnsys-users at cae.wisc.edu
>> Date: Thu, 21 Jul 2011 12:26:44 -0500 (CDT)
>> Subject: Re: [TRNSYS-users] Superheated Steam Properties
>> Farah,
>>
>> The steam_props subroutine does subcooled, saturated and superheated
>> steam.  Check the documentation for the details.  To get the enthalpy,
>> simply provide two state properties to the subroutine (T and P, T and S,
>> etc.)
>>
>> Jeff
>>
>>
>>
>> Jeff Thornton
>> President - TESS, LLC
>>
>> 22 North Carroll Street - Suite 370
>> Madison WI 53703 USA
>>
>> Phone: 608-274-2577
>> Fax: 608-278-1475
>> E-mail: thornton at tess-inc.com
>> Web: www.tess-inc.com
>>
>>
>>
>> *----- Original Message -----*
>> *From:* "Farah Gammoh" <farah.gammoh at industrial-solar.de>
>> *Sent:* Thu, July 21, 2011 11:25
>> *Subject:* [TRNSYS-users] Superheated Steam Properties
>> **
>>
>> Hello,
>>
>> Could anyone tell me how to retrieve properties (enthalpy) of
>> superheated steam? i assume steam_props() is for saturated steam only,
>> right?
>>
>> Thanks in advance,
>> Farah
>>
>> _______________________________________________
>> TRNSYS-users mailing listTRNSYS-users at cae.wisc.eduhttps://mailman.cae.wisc.edu/listinfo/trnsys-users
>>
>>
>>
>> ---------- 已转发邮件 ----------
>> From: David BRADLEY <d.bradley at tess-inc.com>
>> To: "Marcus.Joppich" <Marcus.Joppich at fh-zwickau.de>
>> Date: Fri, 22 Jul 2011 09:33:18 -0500
>> Subject: Re: [TRNSYS-users] sloping surfaces
>> **
>> Marcus,
>>   Vertical walls should have a slope of 90, not a slope of zero. Slopes
>> are measured from the horizontal. A zero slope indicates a horizontal
>> surface.
>> Kind regards,
>>  david
>>
>>
>> On 7/21/2011 08:01, Marcus.Joppich wrote:
>>
>>  Hello David,****
>>
>> ** **
>>
>> thank you for your answer. I´ve tried it. The following steps were
>> performed:****
>>
>> ** **
>>
>> I defined 6 orientations of walls to external: Northwest (Wall to
>> external)/ Southeast (Wall to external)/ Northeast (Wall to external)/
>> Northwest with a slope of 37 degrees (sloping roof)/ Southeast with a slope
>> of 37 degrees (sloping roof)/ Northeast with a slope of 37 degrees (sloping
>> roof).****
>>
>> ** **
>>
>> At Type109 I defined 6 surfaces with the following parameters:****
>>
>> Surface1/Slope of surface 0/Azimuth of surface 225****
>>
>> Surface2/Slope of surface 0/Azimuth of surface 135****
>>
>> Surface3/Slope of surface 0/Azimuth of surface 315****
>>
>> Surface4/Slope of surface 37/Azimuth of surface 225****
>>
>> Surface5/Slope of surface 37/Azimuth of surface 135****
>>
>> Surface6/Slope of surface 37/Azimuth of surface 315****
>>
>> ** **
>>
>> Then I connected the outputs with the inputs by Type56. ****
>>
>> ** **
>>
>> Is it the right way?****
>>
>> ** **
>>
>> I get a fatal error: “Error in automatic heat transfer calculation  for
>> surface   1 or its adjacent surface!: Automatic heat transfer calculation is
>> only allowed on surfaces within a zone.  Please check building input file
>> (.bui)”, but I think it has a different reason.****
>>
>> Thank you for your help.****
>>
>> ** **
>>
>> Regards, Marcus****
>>
>> ** **
>>
>> ** **
>>
>> ** **
>>
>> *Von:* David BRADLEY [mailto:d.bradley at tess-inc.com<d.bradley at tess-inc.com>]
>>
>> *Gesendet:* Mittwoch, 20. Juli 2011 19:12
>> *An:* Marcus.Joppich
>> *Cc:* trnsys-users at cae.wisc.edu
>> *Betreff:* Re: [TRNSYS-users] sloping surfaces****
>>
>> ** **
>>
>> Marcus,
>>  It depends somewhat on what component you are using to model the attic.
>> However, almost without exception, you need to define the slope and azimuth
>> of the attic roof surfaces in your weather component (Type15 probably) and
>> then pass the appropriate solar radiation outputs from that component to the
>> appropriate inputs of your building component.
>> Regards,
>>  David
>>
>>
>> On 7/20/2011 06:57, Marcus.Joppich wrote: ****
>>
>> Hello TRNSYS-users,****
>>
>>  ****
>>
>> I try to simulate few rooms in an attic. I don´t understand how I can
>> describe a sloping surface (like a sloping roof) with TRNSYS. Maybe you can
>> help me.****
>>
>>  ****
>>
>> Thanks for your time.****
>>
>>  ****
>>
>> Marcus****
>>
>> ** **
>>
>> ** **
>>
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>>
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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****
>>
>>
>> --
>> ***************************
>> 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: Baboo Gowreesunker <Baboo.Gowreesunker at brunel.ac.uk>
>> Date: Fri, 22 Jul 2011 09:39:19 -0500
>> Subject: Re: [TRNSYS-users] Number of Labels
>> **
>> Baboo,
>>   I think that limitation is only in the Studio. TRNSYS components can
>> have as many labels as needed. If you can give me a bit more information
>> about what you are using the labels for, I might be able to suggest a
>> workaround. For example, a lot of the TRNSYS printer components (Type25,
>> Type49, Type65) do not need input initial values so instead we treat those
>> as labels.
>> Best,
>>  David
>>
>>
>> On 7/20/2011 10:40, Baboo Gowreesunker wrote:
>>
>>  Can we add more than 5 labels in TRNSYS components****
>>
>> ** **
>>
>> Lesh****
>>
>> ** **
>>
>>
>> _______________________________________________
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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:+1.608.278.1475d.bradley at tess-inc.com
>> http://www.tess-inc.comhttp://www.trnsys.com
>>
>>
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