[TRNSYS-users] Re : Re : About Shading masks (type 67) and Overhang and wingwalls shading (type 34)
Diego A. Arias
daarias at wisc.edu
Tue Mar 20 14:51:53 PDT 2007
Hi Fabien,
Thanks for catching that error. I uploaded a revised version of the
tutorial.
Please let me know if you have additional questions.
Best regards,
Diego
Fabien Morice wrote:
> Thank you, Diego
>
> I'm interresting by the case 2 : shading from far away objects,
> overhangs ang wingwalls.
> I think you have forgotten to describe connections between the type
> 109 and the type 67
> I explain you :
> You give me 3 connections
> I'm agree with you for the 2 first but I don't know where have you
> found the input " incidence angle of direct radiation" in type 67
> In more, I think there are more connections than 3 !
>
> More far, you give me the same connections between (the type 109 and
> the type 67) and (the type 67 and the type 34)
> I suppose you have use Copy/Paste.
>
> Can you have a look ?
> I'm interresting by details about connections between (the type 109
> and the type 67)
>
> (the type 34 and the type 56a)
>
> (the type 109 and the type 34)
>
> Thank you in advance.
>
> Thank you again because thanks to you I have discover a new type (57 =
> unit conversion routine).
> I suppose you use it to convert pressure [Pa] in [atm].
> Isn't it?
>
>
> Fabien Morice.
>
>
>
> ----- Message d'origine ----
> De : Diego A. Arias <daarias at wisc.edu>
> À : Fabien Morice <fabien.morice at yahoo.fr>
> Cc : trnsys-users at engr.wisc.edu
> Envoyé le : Lundi, 19 Mars 2007, 22h21mn 45s
> Objet : Re: [TRNSYS-users] Re : About Shading masks (type 67) and
> Overhang and wingwalls shading (type 34)
>
> Dear Morice,
>
> I prepared a tutorial on how to connect Type67, 34 and 56.
> Go to
> http://sel.me.wisc.edu/trnsys/downloads/tutorials_and_examples/connecting34_67.pdf
> Please let me know if you have comments about the tutorial.
> Best regards,
>
> Diego
>
>
> Fabien Morice wrote:
> > Thanks Diego
> > But could you tell me more ?
> > How can I connect the type 67 with the type 56a ? (Which output)
> > And if I want tu use type 67, type 56a and type 34 ?
> > Have you an example for me ?
> >
> > Fabien Morice
> >
> >
> > ----- Message d'origine ----
> > De : Diego A. Arias <daarias at wisc.edu>
> > À : Fabien Morice <fabien.morice at yahoo.fr>
> > Cc : trnsys-users at engr.wisc.edu
> > Envoyé le : Vendredi, 9 Mars 2007, 17h17mn 11s
> > Objet : Re: [TRNSYS-users] About Shading masks (type 67) and Overhang
> > and wingwalls shading (type 34)
> >
> > Hi Fabien,
> >
> > You do not need to use Type34 in combination with Type67. Type 67 was
> > created to avoid the problem that you found in the mailing list: having
> > to use two instances of Type 68. My answer to Amelie was before Type67
> > was available.
> > Best regards,
> >
> > Diego
> >
> >
> > Fabien Morice wrote:
> > > Dear TRNSYS users, I have some questions for you :
> > >
> > > 1°) I try to use the type 67 with the type 56a (Multizone
> Building).
> > > But, it seems to me that I *_must_* used the type 34 in
> > > complement.
> > > [Output 11 of type 34 (Fraction of solar shading) ---> Input
> > > of type 56a (created by me to used in Input of External Shading
> Factor)]
> > > because the type 67 gives me 2 outputs (among 11) :
> > > [Output 7 of type 67 (Fraction of beam visible on horizontal
> > > for mask) ---> ?
> > > [Output 9 of type 67 (Fraction of diffuse visible on
> > > horizontal for mask) ---> ?
> > > that I don't know used with the type 56a directly.
> > > 2°) I have read the files of the forum and I try the solution
> > > proposed by Diego (Wed Oct 26 2005) to Amelie Mariller
> > > who recommend to use two type 68 (one horizontal and one
> > > vertical) with each type 34.
> > > So, I have created two files in ".dat" :
> > > the first with a slope of 0°
> > > and the second with a slope of 90°.
> > > The two files dividing the same others informations.
> > > But I have the message : Error "Unable to read mask file,
> > > please check file syntax and format." when I launch the calculs.
> > >
> > > 3°) So, I use only one type 68 with one type 34 :
> > >
> > > [Output 3 of type 67 Shaded beam radiation for surface --->
> > > Input 5 of type 34 (Beam radiation on surface)]
> > > [Output 10 of type 67 Shaded diffuse radiation on horizontal
> > > for mask ---> Input 4 of type 34 (Horizontal diffuse radiation)]
> > > [Output 11 of type 67 Shaded total radiation on horizontal for
> > > mask ---> Input 3 of type 34 (Total horizontal radiation)]
> > >
> > > Parameter 1 of type 34 Upstream component mode = 1 and not 0
> > >
> > > In more, I use two Equations :
> > >
> > > a) Equation 1 :
> > >
> > > Sky diffuse radiation on titled surface i (Output of
> > > type 109)
> > > +
> > > Groung reflected diffuse radiation on titled surface i
> > > (Output of type 109)
> > > =
> > > Diffuse radiation for opening (Input 6 of type 67)
> > >
> > > b) Equation 2 :
> > >
> > > Sky diffuse radiation on horizontal
> > > +
> > > Groung reflected diffuse radiation on horizontal
> > > =
> > > Diffuse radiation on horizontal (Input 4 of type 69b
> > > and Input 4 of type 67)
> > >
> > > After simulation, I have controlled the five View factor
> > > (Outputs 6,7,8,9,10 of type 34) by Online plotter (type 65d)
> > > and I'm surprise because the sum is not equal to 1 !
> > > But if I change :
> > > Parameter 1 of type 34 Upstream component mode = 0 and not 1
> > > the sum is correct.
> > >
> > > * Anyone knows what I should do? Thanks.*
> > > **
> > > *Fabien Morice.*
> > >
> > >
> ------------------------------------------------------------------------
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> > >
> > >
> ------------------------------------------------------------------------
> > >
> > > _______________________________________________
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> > > TRNSYS-users at engr.wisc.edu
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> > >
> >
> >
> > --
> > Diego A. Arias
> > TRNSYS Coordinator
> > Solar Energy Laboratory
> > University of Wisconsin - Madison
> > 1500 Engineering Drive
> > Madison, WI 53706
> >
> >
> > ------------------------------------------------------------------------
> > Découvrez une nouvelle façon d'obtenir des réponses à toutes vos
> > questions ! Profitez des connaissances, des opinions et des
> > expériences des internautes sur Yahoo! Questions/Réponses
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> > ------------------------------------------------------------------------
> >
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> >
>
>
> --
> Diego A. Arias
> TRNSYS Coordinator
> Solar Energy Laboratory
> University of Wisconsin - Madison
> 1500 Engineering Drive
> Madison, WI 53706
>
>
> ------------------------------------------------------------------------
> Découvrez une nouvelle façon d'obtenir des réponses à toutes vos
> questions ! Profitez des connaissances, des opinions et des
> expériences des internautes sur Yahoo! Questions/Réponses
> <http://fr.rd.yahoo.com/evt=42054/*http://fr.answers.yahoo.com>.
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