Re: [TRNSYS-users] Type 557 (ground heat exchangers) problem

[Jeff Thornton <thornton@tess-inc.com>]

Hamid,

The new version of the ground heat exchanger model will be part of the updated TESS GHP library when it is released later this fall.  It is not a free give-away as we have invested significant development time to add features to the existing Type 557 model.  If you are interested in purchasing the model before the TESS Library update, please contact us off-line and we can send you a quote.

 

Jeff

 

---
Jeff Thornton
President - TESS LLC
3 N. Pinckney Street, Suite 202, Madison WI USA 53703
Office: (608) 274-2577  Fax: (608) 278-1475
www.tess-inc.com
E-Mail: thornton@tess-inc.com

On 08/30/2019 7:45 am, Hamidreza Esfehani via TRNSYS-users wrote:

Dear Jeff,

 

we already have TESS GHP and are about to implement Type 557 in our simulation model but we haven’t got any new version of the Type, that you mentioned below.

Could you please send it to me as well ?

 

Best Regards,

Hamid  

 

Hamidreza Heidar Esfehani, M.Sc.

Wissenschaftlicher Mitarbeiter|Research Associate

 

Leibniz Universität Hannover

IEK Abt.Gebäudetechnik

Herrenhäuser Str. 8

30419 Hannover

 

Telefon : +49 (0)511 762 3811

Fax : +49 (0)511 762 3016

hamidreza.esfehani@iek.uni-hannover.de

 

www.iek.uni-hannover.de/gebaeudetechnik

 

Von: TRNSYS-users [mailto:trnsys-users-bounces@lists.onebuilding.org] Im Auftrag von Jeff Thornton via TRNSYS-users
Gesendet: Sonntag, 20. Januar 2019 05:05
An: trnsys-users@lists.onebuilding.org
Cc: Jeff Thornton <thornton@tess-inc.com>
Betreff: Re: [TRNSYS-users] Type 557 (ground heat exchangers) problem

 

As you found out, Type 557 only allows once instance of this type in a TRNSYS simulation.  With several large projects requiring multiple borehole fields, we took quite a bit of time and re-worked Type 557 to allow multiple instances as well as add a few features; namely the ability to direct flow into and out of distinct radial regions in the field.  This becomes important when you use the model with radial stratification and wish to explore creative charging and discharging options with the field.  This new model will be featured in the new TESS GHP library when we release it for Version 18 in a few months - but we could make it available earlier if people are interested.  Please e-mail us off the mailing list if you are interested in learning more.

 

Jeff

 

---
Jeff Thornton

President - TESS LLC

3 N. Pinckney Street, Suite 202, Madison WI USA 53703

Office: (608) 274-2577  Fax: (608) 278-1475

www.tess-inc.com

E-Mail: thornton@tess-inc.com

On 01/19/2019 3:08 pm, Hemmatabady, Hoofar via TRNSYS-users wrote:

Dear TRNSYS users,

 

Currently I am using type 557 in TRNSYS simulation studio. I got the error (the maximum number of instances (1) allowed for type 557 is already reached) when I added the second type 557 to have two separate borehole fields. How can I solve this problem?

 

Best regards

 

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