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<P><FONT SIZE=2>Dear all,<BR>
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.<BR>
<BR>
Regards,<BR>
David<BR>
<BR>
David Redpath<BR>
Lecturer energy storage<BR>
Room 22B04<BR>
Centre for Sustainable Technologies (CST)<BR>
School of the Built Environment<BR>
University of Ulster<BR>
Jordanstown Campus<BR>
Shore Road<BR>
Jordanstown<BR>
County Antrim<BR>
Newtownabbey<BR>
Northern Ireland<BR>
UK<BR>
BT37 0QB<BR>
<BR>
(email) d.redpath@ulster.ac.uk<BR>
<BR>
028 90366169 (lab)<BR>
<BR>
<A HREF="http://www.cst.ulster.ac.uk/">http://www.cst.ulster.ac.uk/</A><BR>
<BR>
<BR>
<BR>
-----Original Message-----<BR>
From: trnsys-users-bounces@cae.wisc.edu on behalf of SUNLIANG CAO<BR>
Sent: Wed 26/01/2011 9:12 AM<BR>
To: nussbicker@itw.uni-stuttgart.de<BR>
Cc: trnsys-users@cae.wisc.edu<BR>
Subject: Re: [TRNSYS-users] Question about TRNSYS-SBM and Type 557 Vertical U-tube Ground Heat Exchanger<BR>
<BR>
<BR>
<BR>
Thanks a lot for Janet and Lee's important information which is very helpful for our work.<BR>
<BR>
Kind Regards,<BR>
Cao Sunliang<BR>
<BR>
<BR>
<BR>
> From: nussbicker@itw.uni-stuttgart.de<BR>
> To: caosunliang@msn.com<BR>
> CC: trnsys-users@cae.wisc.edu<BR>
> Subject: AW: [TRNSYS-users] Question about TRNSYS-SBM and Type 557 Vertical U-tube Ground Heat Exchanger<BR>
> Date: Wed, 26 Jan 2011 09:04:28 +0100<BR>
><BR>
> Hello,<BR>
><BR>
> I have worked with the SBM (TRNSYS 16, I did some programming work and it<BR>
> took me some time) and for an 1-year simulation with an BTES with 528 BHE,<BR>
> solar collectors ... (no heat pump) it took about 12 hours. May be it's a<BR>
> little faster with newer computers.<BR>
><BR>
> Best regards,<BR>
> Janet Nußbicker-Lux<BR>
><BR>
><BR>
> -----Ursprüngliche Nachricht-----<BR>
> Von: a8304506@graduate.hku.hk [<A HREF="mailto:a8304506@graduate.hku.hk">mailto:a8304506@graduate.hku.hk</A>]<BR>
> Gesendet: Dienstag, 25. Januar 2011 13:58<BR>
> An: SUNLIANG CAO<BR>
> Cc: trnsys-users@cae.wisc.edu<BR>
> Betreff: Re: [TRNSYS-users] Question about TRNSYS-SBM and Type 557 Vertical<BR>
> U-tube Ground Heat Exchanger<BR>
><BR>
> Hello, Cao.<BR>
><BR>
> I have no information what the SBM is based on? I guess it is developed<BR>
> from<BR>
> Eskilson's model or the finite line source model. If so, I think the<BR>
> simulation time should not be too long (of course it will be much longer<BR>
> than<BR>
> the DST model). I am currently using a three-dimensional numerical model<BR>
> developed by myself and it occasionally takes days of time to perform a<BR>
> ten-year simulation. Hence, I think the SBM model should at most need hours<BR>
> of<BR>
> time. Concerning the conversion of the model to suit TRNSYS 17, it should<BR>
> not<BR>
> be too complicated if you are familiar with Fortran.<BR>
><BR>
> Best Regards<BR>
> LEE, Chun Kowng<BR>
><BR>
> Quoting SUNLIANG CAO <caosunliang@msn.com>:<BR>
><BR>
> ><BR>
> > Hi,<BR>
> ><BR>
> > Thank you very much for Lee's information.<BR>
> ><BR>
> > I have contacted our TRNSYS distributor as well as the contact person of<BR>
> the<BR>
> > non-standard Type TRNSYS-SBM.<BR>
> ><BR>
> > We currently get the information that TRNSYS-SBM is only available for<BR>
> TRNSYS<BR>
> > 15. And if we want to upgrade it to TRNSYS 17, it seems that we need to do<BR>
> > some Fortron programming work.<BR>
> ><BR>
> > Is there anybody has the experience to use TRNSYS-SBM in TRNSYS 17? Is it<BR>
> > very difficult to upgrade TRNYSYS-SBM so that it can be compatible with<BR>
> > TRNSYS 17?<BR>
> ><BR>
> > >From some references, we also know that sometimes it might be very<BR>
> > time-consuming to simulate with TRNSYS-SBM. Is there anybody has the<BR>
> > experience of simulating a large scale ground source heat pump system with<BR>
> > TRNSYS-SBM? How slow it might be (I know it depends, but just want to know<BR>
> > some examples)?<BR>
> ><BR>
> > As the price for TRNSYS-SBM is not very cheap (and there is no demo<BR>
> version<BR>
> > for that type), I just want to make sure it CAN be effectively used in<BR>
> TRNSYS<BR>
> > 17.<BR>
> ><BR>
> > Thank you very much.<BR>
> ><BR>
> ><BR>
> > Kind Regards,<BR>
> > Cao Sunliang<BR>
> ><BR>
> ><BR>
> ><BR>
> ><BR>
> > > Date: Sat, 15 Jan 2011 08:40:37 +0800<BR>
> > > From: a8304506@graduate.hku.hk<BR>
> > > To: caosunliang@msn.com<BR>
> > > CC: trnsys-users@cae.wisc.edu<BR>
> > > Subject: Re: [TRNSYS-users] Question about Type557 Vertical U-tube<BR>
> Ground<BR>
> > Heat Exchanger<BR>
> > ><BR>
> > > Hello, Cao.<BR>
> > ><BR>
> > > There is another component model, the borehole superposition model<BR>
> (SBM),<BR>
> > which<BR>
> > > should be able to handle your problem.<BR>
> > ><BR>
> > > Best Regards<BR>
> > > LEE, Chun Kwong<BR>
> > ><BR>
> > > Quoting SUNLIANG CAO <caosunliang@msn.com>:<BR>
> > ><BR>
> > > ><BR>
> > > > Hi,<BR>
> > > ><BR>
> > > > I have a question about Type557 Vertical U-tube Ground Heat Exchanger<BR>
> in<BR>
> > GHP<BR>
> > > > Library (TESS Library).<BR>
> > > ><BR>
> > > > I found that Type557 has only one type of distribution for the<BR>
> boreholes<BR>
> > in<BR>
> > > > the ground: the boreholes are uniformly distributed within a<BR>
> cylindrical<BR>
> > > > storage volume of ground.<BR>
> > > ><BR>
> > > > However, if I want to simulate other distribution types for the<BR>
> > boreholes,<BR>
> > > > such as distributed in a rectangle shape area, triangle shape area,<BR>
> or<BR>
> > > > L-shape area, etc, how can I deal with this problem?<BR>
> > > ><BR>
> > > > Is there any existing type in TRNSYS or TESS Libraries dealing with<BR>
> the<BR>
> > > > Ground Heat Exchangers with different configurations?<BR>
> > > ><BR>
> > > ><BR>
> > > > Thank you very much.<BR>
> > > ><BR>
> > > ><BR>
> > > > Kind Regards,<BR>
> > > > Cao Sunliang<BR>
> > > ><BR>
> > > > <BR>
> > ><BR>
> > ><BR>
> > ><BR>
> > ><BR>
> > <BR>
><BR>
><BR>
><BR>
><BR>
><BR>
><BR>
<BR>
<BR>
<BR>
</FONT>
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