[TRNSYS-users] TRNSYS-users Digest, Vol 112, Issue 15

Travis Goldade tdgoldade at gmail.com
Wed Apr 9 13:58:44 PDT 2014


Hi Carlos,

If you could send me the spreadsheet that would be greatly appreciated.

Thanks Travis





On Wed, Apr 9, 2014 at 8:34 AM, <trnsys-users-request at cae.wisc.edu> wrote:

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> Today's Topics:
>
>    1. Re: Type 107 Absorption Chilller (Carlos Naranjo Mendoza)
>
>
> ---------- Forwarded message ----------
> From: Carlos Naranjo Mendoza <carlos.naranjo.mendoza at gmail.com>
> To: UW-Madison TRNSYS users mailing list at the Solar Energy Lab <
> trnsys-users at cae.wisc.edu>
> Cc:
> Date: Wed, 9 Apr 2014 10:33:21 -0500
> Subject: Re: [TRNSYS-users] Type 107 Absorption Chilller
> Hi Travis,
>
> I worked the last year in a TRNSYS project using a YAZAKI WFC SC 50 with
> the Type 107. I got the data to generate the external files from Yazaki
> Energy Team. If you need, I have a spreadsheet where you can find the data
> by modifying the temperatures and flow rates for different Yazaki water
> fired absorption chillers. It is a little time consuming but it is the only
> way that I found the last year.
>
> Best regards,
>
> Carlos Naranjo-Mendoza
>
>
> 2014-04-09 3:11 GMT-05:00 <trnsys-users-request at cae.wisc.edu>:
>
>> Send TRNSYS-users mailing list submissions to
>>         trnsys-users at cae.wisc.edu
>>
>> To subscribe or unsubscribe via the World Wide Web, visit
>>         https://mailman.cae.wisc.edu/listinfo/trnsys-users
>> or, via email, send a message with subject or body 'help' to
>>         trnsys-users-request at cae.wisc.edu
>>
>> You can reach the person managing the list at
>>         trnsys-users-owner at cae.wisc.edu
>>
>> When replying, please edit your Subject line so it is more specific
>> than "Re: Contents of TRNSYS-users digest..."
>>
>> Today's Topics:
>>
>>    1. Re: Type 60c outlet temperature (David BRADLEY)
>>    2. Re: Type 60c outlet temperature (Igor Seso)
>>    3. Type 107 Absorption Chilller (Travis Goldade)
>>    4. Re: Type 107 Absorption Chilller (Igor Seso)
>>
>>
>> ---------- Mensaje reenviado ----------
>> From: David BRADLEY <d.bradley at tess-inc.com>
>> To: trnsys-users at cae.wisc.edu, Barto Pene <mdeodbuf1 at gmail.com>
>> Cc:
>> Date: Tue, 08 Apr 2014 12:34:04 -0500
>> Subject: Re: [TRNSYS-users] Type 60c outlet temperature
>>  Barto,
>>   It is not really possible to diagnose the problem without looking at
>> the project. I would recommend using an online plotter to look at all of
>> the temperatures and flow rates of all the flows going into and coming out
>> of the tank. If for some reason all of the temperatures in the system are
>> over 60C (including the temperature of the tempering water) then Type953
>> would not be able to temper the outlet flow. It could also be that you are
>> seeing higher than 60C temperature at the mixing valve when there is no
>> flow through the valve.
>>   If you are not able to sort out the problem using Type65 as a debugging
>> tool then you should send your project to your distributor so that they can
>> have a look at it.
>> Kind regards,
>>  David
>>
>>
>>
>> On 4/7/2014 08:16, Barto Pene wrote:
>>
>> Hi ,
>>
>>  I get some strange result i.e I can not find logic in it: I use tank
>> Type 60c only heated by standard solar collector installation. I use the
>> differential controller(monitoring temp.) to limit the tank top temperature
>> to 60C and I'm also using tempering valve Type 953 with diverting and
>> three-wat valves for controling the outlet temp. In the simulation I get
>> temperatures at the outlet of the three-way valve (after mixing) higher
>> than 60C (even 80-90C) how is it possible?
>>
>>  When I model the HX in Type60c with glycol solution I get convergence
>> problems and with water there is no problem...?
>>
>>  Thank you
>>
>>  Regards
>> Barto
>>
>>
>> _______________________________________________
>> TRNSYS-users mailing listTRNSYS-users at cae.wisc.eduhttps://mailman.cae.wisc.edu/listinfo/trnsys-users
>>
>>
>> --
>> ***************************
>> David BRADLEY
>> Principal
>> Thermal Energy Systems Specialists, LLC
>> 22 North Carroll Street - suite 370
>> Madison, WI  53703 USA
>>
>> P:+1.608.274.2577
>> F:+1.608.278.1475d.bradley at tess-inc.com
>> http://www.tess-inc.comhttp://www.trnsys.com
>>
>>
>>
>> ---------- Mensaje reenviado ----------
>> From: Igor Seso <igorseso at yahoo.com>
>> To: "TRNSYS users mailing list at the Solar Energy Lab, UW-Madison" <
>> trnsys-users at cae.wisc.edu>
>> Cc:
>> Date: Tue, 8 Apr 2014 11:37:20 -0700 (PDT)
>> Subject: Re: [TRNSYS-users] Type 60c outlet temperature
>>  Thank you David, exactly that was the problem,  I was recording
>> temperatures above 60 C when there was no flow through the valve - I put a
>> trigger printer recording only temp. when there is flow and the
>> temperatures values were exactly as the set mixing temp.
>>
>> I tried to put pipes between the collector the tank and the pump  to get
>> more realistic results regard outlet temperaturesas a result of the
>> increased thermal mass and it was ok - but the only disadvantage is that
>> the pump flow can not go under certain value (total volume of fluid in
>> pipes) it gives convergence problems...so it means that it is not possible
>> to test the influence of low flow on system efficiency etc..
>>
>> Regards,
>> Barto
>>
>>
>>
>>   On Tuesday, April 8, 2014 7:34 PM, David BRADLEY <
>> d.bradley at tess-inc.com> wrote:
>>   Barto,
>>   It is not really possible to diagnose the problem without looking at
>> the project. I would recommend using an online plotter to look at all of
>> the temperatures and flow rates of all the flows going into and coming out
>> of the tank. If for some reason all of the temperatures in the system are
>> over 60C (including the temperature of the tempering water) then Type953
>> would not be able to temper the outlet flow. It could also be that you are
>> seeing higher than 60C temperature at the mixing valve when there is no
>> flow through the valve.
>>   If you are not able to sort out the problem using Type65 as a debugging
>> tool then you should send your project to your distributor so that they can
>> have a look at it.
>> Kind regards,
>>  David
>>
>>
>>
>> On 4/7/2014 08:16, Barto Pene wrote:
>>
>> Hi ,
>>
>>  I get some strange result i.e I can not find logic in it: I use tank
>> Type 60c only heated by standard solar collector installation. I use the
>> differential controller(monitoring temp.) to limit the tank top temperature
>> to 60C and I'm also using tempering valve Type 953 with diverting and
>> three-wat valves for controling the outlet temp. In the simulation I get
>> temperatures at the outlet of the three-way valve (after mixing) higher
>> than 60C (even 80-90C) how is it possible?
>>
>>  When I model the HX in Type60c with glycol solution I get convergence
>> problems and with water there is no problem...?
>>
>>  Thank you
>>
>>  Regards
>> Barto
>>
>>
>> _______________________________________________
>> TRNSYS-users mailing listTRNSYS-users at cae.wisc.eduhttps://mailman.cae.wisc.edu/listinfo/trnsys-users
>>
>>
>> --
>> ***************************
>> David BRADLEY
>> Principal
>> Thermal Energy Systems Specialists, LLC
>> 22 North Carroll Street - suite 370
>> Madison, WI  53703 USA
>>
>> P:+1.608.274.2577
>> F:+1.608.278.1475d.bradley at tess-inc.com
>> http://www.tess-inc.comhttp://www.trnsys.com
>>
>>
>> _______________________________________________
>> TRNSYS-users mailing list
>> TRNSYS-users at cae.wisc.edu
>> https://mailman.cae.wisc.edu/listinfo/trnsys-users
>>
>>
>>
>>
>> ---------- Mensaje reenviado ----------
>> From: Travis Goldade <tdgoldade at gmail.com>
>> To: trnsys-users at cae.wisc.edu
>> Cc:
>> Date: Tue, 8 Apr 2014 18:23:32 -0700
>> Subject: [TRNSYS-users] Type 107 Absorption Chilller
>> Hi everyone, I appear to be having the same issue that many people are
>> having.  I am trying to model a small absorption chiller that that uses
>> solar hot water in the range of 70 to 90 C, but the data files for the
>> example absorption chiller are not in that range.  Like many of you, I have
>> tried to contact the manufacture for more curves to create the required
>> data files but they have yet to reply.
>>
>> Does anyone have data files for an absorption chiller that utilizes hot
>> water in the 70 to 90 C range? Or does anyone have access to curves for a
>> Yazaki SC5 absorption chiller?
>>
>> Any feedback or pointers will be greatly appreciated.
>>
>> Thanks Travis
>>
>>
>> ---------- Mensaje reenviado ----------
>> From: Igor Seso <igorseso at yahoo.com>
>> To: "TRNSYS users mailing list at the Solar Energy Lab, UW-Madison" <
>> trnsys-users at cae.wisc.edu>
>> Cc:
>> Date: Wed, 9 Apr 2014 01:11:06 -0700 (PDT)
>> Subject: Re: [TRNSYS-users] Type 107 Absorption Chilller
>> Hi Travis,
>>
>> I have the same "problem" so I found  Type 177 absorption chiller which
>> represents further development of Type 107 after the end of the IEA Task 25
>> and is developed at the Technical University in Berlin. Here is the link
>> where you can download
>> http://www.eta.tu-berlin.de/menue/mitarbeiter_innen/wimi/albers/
>>
>> (there is zip file under the "Forschung" part)
>>
>> Hope that this will be helpful
>>
>> Regards
>> Igor
>>   On Wednesday, April 9, 2014 3:24 AM, Travis Goldade <
>> tdgoldade at gmail.com> wrote:
>>   Hi everyone, I appear to be having the same issue that many people are
>> having.  I am trying to model a small absorption chiller that that uses
>> solar hot water in the range of 70 to 90 C, but the data files for the
>> example absorption chiller are not in that range.  Like many of you, I have
>> tried to contact the manufacture for more curves to create the required
>> data files but they have yet to reply.
>>
>> Does anyone have data files for an absorption chiller that utilizes hot
>> water in the 70 to 90 C range? Or does anyone have access to curves for a
>> Yazaki SC5 absorption chiller?
>>
>> Any feedback or pointers will be greatly appreciated.
>>
>> Thanks Travis
>>
>> _______________________________________________
>> TRNSYS-users mailing list
>> TRNSYS-users at cae.wisc.edu
>> https://mailman.cae.wisc.edu/listinfo/trnsys-users
>>
>>
>>
>> _______________________________________________
>> TRNSYS-users mailing list
>> TRNSYS-users at cae.wisc.edu
>> https://mailman.cae.wisc.edu/listinfo/trnsys-users
>>
>>
>
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