[TRNSYS-users] Tank - energy balance

Amaia Zuazua Ros amaiazuazua at gmail.com
Sun Oct 7 13:44:11 PDT 2018


Hi Leen,

I took 3 kJ/hm2K, but still the thermal losses are not the reason for the
difference...

Amaia

El dom., 7 oct. 2018 a las 22:00, leen peeters (<l.f.r.peeters at gmail.com>)
escribió:

> Amaia,
>
> what settings did you take for losses to the surroundings?
>
> Leen
>
> On Sun, 7 Oct 2018 at 21:35, Amaia Zuazua Ros via TRNSYS-users <
> trnsys-users at lists.onebuilding.org> wrote:
>
>>
>> Hi TRNsys users,
>>
>> I am simulating a water to water chiller coupled to two storage tanks one
>> each side of the chiller. It's the first time that I work with tanks (I'm
>> using type 4), and I understand that the energy balance should be
>> accomplish, I mean, the total energy coming from the source should be the
>> same than the energy going to the load, but this is not happening in my
>> case with the condenser side of the chiller (the annual totals have
>> around 10% difference) and still the system seems to work (the idea is to
>> simulate a radiative system that dissipates the heat from the condenser). I
>> don't know if it can be related to the internal energy change of the tank.
>> Could some one give a bit further explanation/information about this?
>>
>> Thanks in advance!
>>
>> Amaia
>> _______________________________________________
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>> TRNSYS-users at lists.onebuilding.org
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>>
>
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