[TRNSYS-users] Definition of a cooled ceiling

Maurizio Sorce mauriziosorce at dream.unipa.it
Wed May 18 09:01:31 PDT 2005

Dear David,

in TRNBUILD exists a new option for the definition of a cooled ceiling (different from the active layer model). We have already used walls with active layer, obtaining the outlet temperature as a surface output (NTYPE 58). Now the problem is that using the cooled ceiling model, no output for the outlet temperature exist! For this reason it is impossible
to link the otput of the model to the other types of TRNSYS Studio.

Thank's to all.

  ----- Original Message ----- 
  From: David Bradley [SEL] 
  To: pietro finocchiaro 
  Cc: trnsys-users at engr.wisc.edu 
  Sent: Tuesday, May 10, 2005 6:44 PM
  Subject: Re: [TRNSYS-users] Definition of a cooled ceiling

  Dear Pietro,
    Unless I am mistaken, the outlet temperature of the fluid in the active layer is NTYPE 58. To obtain that output, you must select a zone, specify that it is a "surface output" and then select the surface that is appropriate. If you have segmented the surface, you will need to choose the last segment in the list that comes up. As far as I am aware, the outlet flow rate is not available. If you specify the inlet flow rate as an INPUT to Type56, you can simply take the inlet value as equal to the outlet value. I am not sure what to do if you have created a TRNBuild SCHEDULE for the flow rate...
  Kind regards,

  pietro finocchiaro wrote: 
    Dear TRNSYS users,

    I have a problem with the settings of a cooled ceiling during the definition of outputs. In the surface output list isn't present the temperature and flow rate of the outlet fluid (differently from the active layer). Can anybody help me? 


    Pietro Finocchiaro 
    Dipartimento di Ricerche Energetiche ed Ambientali 
    Università di Palermo 
    Tel: +39 (0)91 236277 
    E-mail: finocchiaro at dream.unipa.it 

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