Dear all,
Does any one know how to add in a domestic hot water load and space heating load to the TRNSYS SDHW model? I have daily results from an actual experiment. Thanks in Advance.
Regards,
David
David Redpath
Lecturer energy storage
Room 22B04
Centre for Sustainable Technologies (CST)
School of the Built Environment
University of Ulster
Jordanstown Campus
Shore Road
Jordanstown
County Antrim
Newtownabbey
Northern Ireland
UK
BT37 0QB
(email) d.redpath@ulster.ac.uk
028 90366169 (lab)
http://www.cst.ulster.ac.uk/
-----Original Message-----
From: trnsys-users-bounces@cae.wisc.edu on behalf of SUNLIANG CAO
Sent: Wed 26/01/2011 9:12 AM
To: nussbicker@itw.uni-stuttgart.de
Cc: trnsys-users@cae.wisc.edu
Subject: Re: [TRNSYS-users] Question about TRNSYS-SBM and Type 557 Vertical U-tube Ground Heat Exchanger
Thanks a lot for Janet and Lee's important information which is very helpful for our work.
Kind Regards,
Cao Sunliang
> From: nussbicker@itw.uni-stuttgart.de
> To: caosunliang@msn.com
> CC: trnsys-users@cae.wisc.edu
> Subject: AW: [TRNSYS-users] Question about TRNSYS-SBM and Type 557 Vertical U-tube Ground Heat Exchanger
> Date: Wed, 26 Jan 2011 09:04:28 +0100
>
> Hello,
>
> I have worked with the SBM (TRNSYS 16, I did some programming work and it
> took me some time) and for an 1-year simulation with an BTES with 528 BHE,
> solar collectors ... (no heat pump) it took about 12 hours. May be it's a
> little faster with newer computers.
>
> Best regards,
> Janet Nußbicker-Lux
>
>
> -----Ursprüngliche Nachricht-----
> Von: a8304506@graduate.hku.hk [mailto:a8304506@graduate.hku.hk]
> Gesendet: Dienstag, 25. Januar 2011 13:58
> An: SUNLIANG CAO
> Cc: trnsys-users@cae.wisc.edu
> Betreff: Re: [TRNSYS-users] Question about TRNSYS-SBM and Type 557 Vertical
> U-tube Ground Heat Exchanger
>
> Hello, Cao.
>
> I have no information what the SBM is based on? I guess it is developed
> from
> Eskilson's model or the finite line source model. If so, I think the
> simulation time should not be too long (of course it will be much longer
> than
> the DST model). I am currently using a three-dimensional numerical model
> developed by myself and it occasionally takes days of time to perform a
> ten-year simulation. Hence, I think the SBM model should at most need hours
> of
> time. Concerning the conversion of the model to suit TRNSYS 17, it should
> not
> be too complicated if you are familiar with Fortran.
>
> Best Regards
> LEE, Chun Kowng
>
> Quoting SUNLIANG CAO <caosunliang@msn.com>:
>
> >
> > Hi,
> >
> > Thank you very much for Lee's information.
> >
> > I have contacted our TRNSYS distributor as well as the contact person of
> the
> > non-standard Type TRNSYS-SBM.
> >
> > We currently get the information that TRNSYS-SBM is only available for
> TRNSYS
> > 15. And if we want to upgrade it to TRNSYS 17, it seems that we need to do
> > some Fortron programming work.
> >
> > Is there anybody has the experience to use TRNSYS-SBM in TRNSYS 17? Is it
> > very difficult to upgrade TRNYSYS-SBM so that it can be compatible with
> > TRNSYS 17?
> >
> > >From some references, we also know that sometimes it might be very
> > time-consuming to simulate with TRNSYS-SBM. Is there anybody has the
> > experience of simulating a large scale ground source heat pump system with
> > TRNSYS-SBM? How slow it might be (I know it depends, but just want to know
> > some examples)?
> >
> > As the price for TRNSYS-SBM is not very cheap (and there is no demo
> version
> > for that type), I just want to make sure it CAN be effectively used in
> TRNSYS
> > 17.
> >
> > Thank you very much.
> >
> >
> > Kind Regards,
> > Cao Sunliang
> >
> >
> >
> >
> > > Date: Sat, 15 Jan 2011 08:40:37 +0800
> > > From: a8304506@graduate.hku.hk
> > > To: caosunliang@msn.com
> > > CC: trnsys-users@cae.wisc.edu
> > > Subject: Re: [TRNSYS-users] Question about Type557 Vertical U-tube
> Ground
> > Heat Exchanger
> > >
> > > Hello, Cao.
> > >
> > > There is another component model, the borehole superposition model
> (SBM),
> > which
> > > should be able to handle your problem.
> > >
> > > Best Regards
> > > LEE, Chun Kwong
> > >
> > > Quoting SUNLIANG CAO <caosunliang@msn.com>:
> > >
> > > >
> > > > Hi,
> > > >
> > > > I have a question about Type557 Vertical U-tube Ground Heat Exchanger
> in
> > GHP
> > > > Library (TESS Library).
> > > >
> > > > I found that Type557 has only one type of distribution for the
> boreholes
> > in
> > > > the ground: the boreholes are uniformly distributed within a
> cylindrical
> > > > storage volume of ground.
> > > >
> > > > However, if I want to simulate other distribution types for the
> > boreholes,
> > > > such as distributed in a rectangle shape area, triangle shape area,
> or
> > > > L-shape area, etc, how can I deal with this problem?
> > > >
> > > > Is there any existing type in TRNSYS or TESS Libraries dealing with
> the
> > > > Ground Heat Exchangers with different configurations?
> > > >
> > > >
> > > > Thank you very much.
> > > >
> > > >
> > > > Kind Regards,
> > > > Cao Sunliang
> > > >
> > > >
> > >
> > >
> > >
> > >
> >
>
>
>
>
>
>