[TRNSYS-users] problem type 655 (chilled water flow rate)

LIBIOT, Erwan E.LIBIOT at bouygues-construction.com
Wed Aug 24 04:45:00 PDT 2011


Dears all,

 

I'm using the type 655 "chilled water flow rate" from TESS library. First, I noticed an inversion between CAPACITY ratio and COP ratio in the external file (containing the chiller performance data). 

Secondly, here my problem; this type do not consider the ambient temperature in the chiller capacity and COP calculations. In fact, this model always choose CAP and COP ratio values corresponding to the highest ambient temperature for a chilled water temperature. So, have you got an idea about how can I figure out this issue?

 

Thanks you


Erwan Libiot

 

De : Matt Duffy [mailto:duffy at tess-inc.com] 
Envoyé : mardi 2 août 2011 14:49
À : luis Carlos vela garcia; trnsys-users at cae.wisc.edu
Objet : Re: [TRNSYS-users] problem type 655 (chilled water flow rate)

 

Dear Luis Carlos Vela,

That is fixed for TESS Libraries version 17.01 (you may see the version of the TESS Libraries that you have by viewing the names of their external DLL's in the ".\UserLib\ReleaseDLLs" directory or by looking at the 'Readme.html' file in the ".\Tess Models" directory). Thus, please make sure that you are using that version.

Best regards,

Matt Duffy



----- Original Message -----
From: "luis Carlos vela garcia" <lcarlosvg at hotmail.es> 
Sent: Fri, July 29, 2011 16:24
Subject: [TRNSYS-users] problem type 655 (chilled water flow rate)


good day.

My name is Luis Carlos Vela colmbiano am a college student and Francisco José de Caldas District, has the license lacual TRNSYS V17. I am currently developing my graduation project and I have questions,
 
 
 
 TranSys attached image

 

 

when I choose the type chiller 655 and I will enter the input data see the following problem.
Water chiller units are degrees Celsius flexible rate, so my question is what units should I enter in this box as Celsius tablets are not units! of flow.

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