[TRNSYS-users] Set 2 or more than 2 AIRNODES
王洋
wanghongyang1767 at gmail.com
Mon Jul 25 06:17:52 PDT 2011
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
2011/7/22 <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****
>
> ** **
>
> ** **
>
> _______________________________________________****
>
> TRNSYS-users mailing list****
>
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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****
>
> ** **
>
>
> _______________________________________________
> 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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