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Nicolàs, from personal experience and the number of related
posts to this list, I think anyone who uses this type encounters the same
difficulty and confusion! Personally, under time pressure, I used two approaches.
The first is to create a very poor approximation by simply using the data file
provided or creating a simpler data file with constant performance over a wide
range of data. The data file format itself isn’t that complicated (two four-variable
functions). The second approach that I am currently trying is to model the generator,
absorber, and cond/evap coils with the auxiliary heater/cooler types (Type 92, 6).
It would be extremely useful to have an a wider range of data files, a simpler
chiller model, or at least a walkthrough of creating a data file, at least to
get something in the right order of magnitude as a first approximation . Hint
hint @ developers! Sorry I can’t help more, Marcus MARCUS JONES, MSc Energy Department Sustainable Building Technologies AIT Austrian Institute of Technology Österreichisches
Forschungs- und Prüfzentrum Arsenal Ges.m.b.H. Giefinggasse 2 | 1210 Vienna | Austria T +43(0) 50 550-6387 | M +43(0) 664 210 24 15 | F +43(0)
50550-6598 marcus.jones@ait.ac.at | http://www.ait.ac.at
FN:
165088b HG Wien | UID: ATU46577208 This email and any attachments thereto, is
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note that e-mails are susceptible to change. Österreichisches Forschungs- und
Prüfzentrum Arsenal Ges.m.b.H. shall not be liable for the improper or
incomplete transmission of the information contained in this communication, nor
shall it be liable for any delay in its receipt. From: Nicolàs Rey [mailto:reynicolas84@gmail.com]
Dear TRNsys users, I have a problem with type 107, the absorption chiller. In the Data
file folder of TRNsys installation there is only one data file which can be
used with this type. The problem is that I need to utilize the hot water with a
temperature in a different range, and not only between 108.89 and 116.11 °C ,
the range of the data available. Should I use data available on the internet? And if so, What’s
the procedure to use them? I checked in the Mathematical reference but it is
not so clear. If someone of you could give me some help, I would be really
grateful , because I need to use this file for my master thesis ( upon solar
cooling) and I don’t have so much time! Best regards, Nicolàs Rey Student in Mechanical Engineering, Cagliari, 09125 Italy |