Thank you very much Tim. It’s working.
Best regards,
Max
Maxence BUREAU
Ingénieur de Recherche
Qualité d'Air Intérieur
______________________________________________________________________
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De : trnsys-users-bounces@cae.wisc.edu [mailto:trnsys-users-bounces@cae.wisc.edu] De la part de mcdowell@tess-inc.com
Envoyé : lundi 15 avril 2013 17:20
À : TRNSYS users mailing list at the Solar Energy Lab, UW-Madison
Objet : Re: [TRNSYS-users] Problem with Dry Fluid Cooler (type 511)
My apologies, 20C for the design ambient air temperature works.
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 2013-04-15 02:44, maxence.bureau@cofely-gdfsuez.com wrote:
Hello,
Thank you for your answer Timothy,
I try to change the design ambient air temperature to 26.67, but it isn’t run (all other design parameters have their default value). Maybe I forget something, but I don’t know what.
Regards,
Maxence BUREAU
Ingénieur de Recherche
Qualité d'Air Intérieur
______________________________________________________________________
Centre de recherche Cylergie
L'Orée d'Ecully - Bât. C - Chemin de la Forestière
69130 - ECULLY
tel. +33472860934 - fax +33478433959
Mob. +33637613217
mailto:maxence.bureau@cofely-gdfsuez.com
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De : trnsys-users-bounces@cae.wisc.edu [mailto:trnsys-users-bounces@cae.wisc.edu] De la part de mcdowell@tess-inc.com
Envoyé : jeudi 11 avril 2013 21:36
À : TRNSYS users mailing list at the Solar Energy Lab, UW-Madison
Objet : Re: [TRNSYS-users] Problem with Dry Fluid Cooler (type 511)
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. McDowellExecutive Vice PresidentThermal Energy System Specialists, LLC22 N Carroll St, Suite 370Madison, WI 53703608-274-2577On 2013-04-10 03:20, maxence.bureau@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@cofely-gdfsuez.com
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