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.* > > ------------------------------------------------------------------------ > 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>. > ------------------------------------------------------------------------ > > ------------------------------------------------------------------------ > > _______________________________________________ > TRNSYS-users mailing list > [email protected] > https://www.cae.wisc.edu/mailman/listinfo/trnsys-users > -- Diego A. Arias TRNSYS Coordinator Solar Energy Laboratory University of Wisconsin - Madison 1500 Engineering Drive Madison, WI 53706 _______________________________________________ TRNSYS-users mailing list [email protected] https://www.cae.wisc.edu/mailman/listinfo/trnsys-users
