[TRNSYS-users] Problem with Dry Fluid Cooler (type 511)

[mcdowell at tess-inc.com]

Maxence - 

You are correct, there is a problem with the default
values in the Type511 Proforma. If you change the Design Ambient Air
Temperature to 26.67 C it should run. 

Regards, 

Tim 

---
Timothy P.
McDowell
Executive Vice President
Thermal Energy System Specialists,
LLC
22 N Carroll St, Suite 370
Madison, WI 53703
608-274-2577

On
2013-04-10 03:20, maxence.bureau at cofely-gdfsuez.com wrote: 

> Hello, 
>

> I would like to use a type 511 (HVAC Library (TESS) - Dry Fluid
Cooler), but it doesn't work. 
> 
> When the value of input 2 (fluid
flow rate) is higher than 0, the simulation doesn't work and an error
message appear ("TRNSYS errors : one error was found in the deck…"). 
>

> I have this error message in "list file" : 
> 
> _"*** Fatal Error at
time : 0.125000_ 
> 
> _ Generated by Unit : 10_ 
> 
> _ Generated by
Type : 511_ 
> 
> _ Message : The dry cooler model was unable to
correctly calculate the number of transfer units (NTU) for the design
condition. Please check the design conditions carefully.__"_ 
> 
> I
tested the type with the defaults design conditions, but it was the same
error message. I think there is a problem with input 2. 
> 
> Please
find attached my ".tpf" file. 
> 
> Thank you for your help. 
> 
>
Sincerely, 
> 
> MAXENCE BUREAU
> Ingénieur de Recherche
>
______________________________________________________________________

> 
> CENTRE DE RECHERCHE CYLERGIE
> L'Orée d'Ecully - Bât. C - Chemin
de la Forestière
> 69130 - ECULLY
> tel. +33472860980 - fax
+33478433959
> mailto:maxence.bureau at cofely-gdfsuez.com [1]
>
www.cofely-gdfsuez.fr [2] 
> 
> Before printing, think about the
environment / Avant d'imprimer, pensez à l'environnement



Links:
------
[1] mailto:maxence.bureau at cofely-gdfsuez.com
[2]
http://www.cofely-gdfsuez.fr
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