[TRNSYS-users] TRNSYS-users Digest, Vol 171, Issue 17
David BRADLEY
d.bradley at tess-inc.com
Fri Mar 15 12:03:16 PDT 2019
Amit,
TRNSYS can use a lot of different weather file formats. If you are not
finding the location you want, make sure that you have installed the
weather data archive (which is a download separate from the Trnsys
installer download). If you still do not find what you are looking for,
I would recommend that you look online for EnergyPlus weather data
files. They are numerous and not hard to find.
kind regards,
David
On 03/14/2019 05:56, Amit Verma via TRNSYS-users wrote:
> Hello Everyone,
>
> I am working a project on hybrid solar PV and Diesel Engine
> performance. for this i need my location weather data which is not
> present in TRNSYS weather file. How can i use another weather data
> file or how can i use type 99 for my location weather generation?
>
> Regards
>
> Amit
> SMVD University
> J&K India
>
> On Wed, Mar 13, 2019 at 11:12 PM
> <trnsys-users-request at lists.onebuilding.org
> <mailto:trnsys-users-request at lists.onebuilding.org>> wrote:
>
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> Today's Topics:
>
> 1. Solar gain of a surface (adnan rasheed)
> 2. Type 94, maximum power (DAVID GARCIA MENENDEZ)
> 3. Re: Fwd: coupling air flow (Michele Vella)
>
>
>
> ---------- Forwarded message ----------
> From: adnan rasheed <adnan.upm.spain at gmail.com
> <mailto:adnan.upm.spain at gmail.com>>
> To: "TRNSYS users mailing list at OneBuilding.org"
> <trnsys-users at lists.onebuilding.org
> <mailto:trnsys-users at lists.onebuilding.org>>
> Cc:
> Bcc:
> Date: Wed, 13 Mar 2019 18:14:41 +0900
> Subject: [TRNSYS-users] Solar gain of a surface
> Hi everyone,
>
> i want to calculate solar gain/ solar radiation from specific
> window. actually i want to see the effect of different slope angle
> ranging from 15 - 40 degree of window. Actually trend should be
> like between 20 to 30 degree solar radiation should be maximum.
> but as i am increasing angle radiation gain/m2 increases. i am
> using (NTYPE 79, 80, 81, 64) . i dont know which output i should
> use??
>
> Note:: when i check solar radiation output direct at all angles
> calculated by TYPE 16(radiation processor) it gives required
> trend. trend should be same when apple this radiation to the
> building.
>
>
>
> --
> Adnan Rasheed
> PhD Researcher
> Kyungpook National University
> Daegu, South Korea.
> +82-102762-0105
> adnan.upm.spain at gmail.com <mailto:adnan.upm.spain at gmail.com>,
> adnanrasheed at knu.ac.kr <mailto:adnanrasheed at knu.ac.kr>
>
>
> Mailtrack
> <https://mailtrack.io?utm_source=gmail&utm_medium=signature&utm_campaign=signaturevirality5&>
> Sender notified by
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> 03/13/19, 6:10:14 PM
>
>
>
>
> ---------- Forwarded message ----------
> From: DAVID GARCIA MENENDEZ <garciamdavid at uniovi.es
> <mailto:garciamdavid at uniovi.es>>
> To: "trnsys-users at lists.onebuilding.org
> <mailto:trnsys-users at lists.onebuilding.org>"
> <trnsys-users at lists.onebuilding.org
> <mailto:trnsys-users at lists.onebuilding.org>>
> Cc:
> Bcc:
> Date: Wed, 13 Mar 2019 15:26:42 +0000
> Subject: [TRNSYS-users] Type 94, maximum power
>
> Dear TRNSYS USERS,
>
> I am trying to understand the performance of Type 94 (Photovoltaic
> module).
>
> I kept the default parameters, in particular: Current at maximum
> power point = 5.9 A, and Voltage at maximum power point = 17 V.
>
> Then I forced the total radiation on the surface to be the
> reference insolation (1000 W/m2) and the ambient temperature to
> be the reference temperature (298 K).
>
> Under these conditions I expected to obtain that the module power
> output was 17x5.9 = 100.3 W, but I have only got 80.2 W.
>
> Which is the reason for this difference?
>
> How can I simulate that the module is operating at its maximum point?
>
> Thanks in advance,
>
> Regards.
>
> David.
>
> ******************************
>
> David García Menéndez
>
> Área de Máquinas y Motores Térmicos
>
> Departamento de Energía
>
> Universidad de Oviedo
>
> ******************************
>
> Edificio Departamental Este
>
> C/ Wifredo Ricart s/n
>
> Campus de Viesques, 33204 Gijón
>
> Tfno: 985 18 2110
>
> ******************************
>
>
>
>
> ---------- Forwarded message ----------
> From: Michele Vella <michele.vella.15 at um.edu.mt
> <mailto:michele.vella.15 at um.edu.mt>>
> To: David BRADLEY <d.bradley at tess-inc.com
> <mailto:d.bradley at tess-inc.com>>,
> trnsys-users at lists.onebuilding.org
> <mailto:trnsys-users at lists.onebuilding.org>
> Cc:
> Bcc:
> Date: Wed, 13 Mar 2019 18:17:07 +0100
> Subject: Re: [TRNSYS-users] Fwd: coupling air flow
> Dear David
> I have installed TRNFlow , im trying to do a flow controller using
> thermal airnode. Im not sure if this is the good method to implent
> it.
> Thanks
> Michele Vella
>
> On Mon, 4 Mar 2019 at 21:29, David BRADLEY <d.bradley at tess-inc.com
> <mailto:d.bradley at tess-inc.com>> wrote:
>
> Michele,
>
> There are two tools available for determining the quantity
> of coupling airflow. One is Type97 (or Type98) (both of which
> are links between TRNSYS and a freely available software tool
> called CONTAM). The other is a commercially available TRNSYS
> add-on called TRNFlow. The idea behind both is that the Trnsys
> building thermal model (Type56) provides zone temperatures to
> the airflow model (CONTAM or TRNFlow). The airflow model takes
> those temperatures (as well as ambient conditions and a
> certain amount of building geometry with which the thermal
> model is not usually concerned) and computes the corresponding
> interzonal air flows. These are passed back to Type56, which
> recomputes zonal temperatures. Iteration continues until both
> the thermal and airflow models agree.
>
> kind regards,
>
> David
>
>
> On 03/04/2019 12:50, Michele Vella via TRNSYS-users wrote:
>>
>>
>> Hi, I m designing a church with different thermal zones and
>> the common surfaces are set to virtual surface. I activated
>> the coupling . What would be the ideal coupling air flow?
>>
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>
> --
> ***************************
> David BRADLEY
> Principal
> Thermal Energy Systems Specialists, LLC
> 3 North Pinckney Street - suite 202
> Madison, WI 53703 USA
>
> P:+1.608.274.2577
> F:+1.608.278.1475
> d.bradley at tess-inc.com <mailto:d.bradley at tess-inc.com>
>
> http://www.tess-inc.com
> http://www.trnsys.com
>
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--
***************************
David BRADLEY
Principal
Thermal Energy Systems Specialists, LLC
3 North Pinckney Street - suite 202
Madison, WI 53703 USA
P:+1.608.274.2577
F:+1.608.278.1475
d.bradley at tess-inc.com
http://www.tess-inc.com
http://www.trnsys.com
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