[esp-r] Re: esp-r Digest, Vol 51, Issue 5

Sat Oct 9 19:55:57 BST 2010

Hi Achim,
you are right you need to pre-calculate (using window-6 or WIS for ex.) or
to measure the complex glazing systems.
I would like to compare the bidirectional model with the CFC model (for a
simple venetian blind case), but I still had not time for that :(
How the CFC model treats the diffuse irradiation?
Best

Francesco

2010/10/9 Achim Geissler <achim.geissler at intergga.ch>

> Hi Francesco
>
> did I miss out on something here? I seem to remember that you need quite
> detailed bidirectional data of your facade / blind to use this, no?
>
> What are the advantages over CFCs (if you do not need detailed (measured)
> data)?
>
> Best
> Achim
>
>
> On Oct 8, 2010, at 6:51 PM, Francesco Frontini wrote:
>
> Dear Dimitris,
> if you want to model different blind positions you can use the
> bidirectional model we implemented two years ago in ESP-r under "advanced
> optics".
> You can find more information about the bidirectional model (we call it
> Black Box Model) in the proceedings of the BS conference 2009 in Glasgow.
> Here the link:
>
> http://www.ibpsa.org/proceedings/BS2009/BS09_0928_935.pdf
>
> The idea is to model the whole system (glass + blind) as a double glaze
> unit with the effective direct tau and g-value.
> As the normal TMC control you can use as set point the incident radiation
> on the glass and the indoor temperature to change between 6 blind positions.
> But as I said you can find further information in the papers.
> For sure you can also ask me for specific problems.
>
> Hope to help you somehow, best regards
>
> Francesco
>
> Dr. Francesco Frontini, MEng PhD in Buildings Engineering
>
> ----------------------------------------
> Fraunhofer Institut für Solare Energiesysteme ISE
> Heidenhofstr. 2, 79110 Freiburg, Germany
>
> M1:    [+39] 333-3097826
> M2:    [+49] (0)1522-1624691
>
> Phone: [+49] (0)7614588-5358
> FAX:   [+49] (0)7614588-9358
>
> @1: francesco.frontini at ise.fraunhofer.de
> @2: francesco.frontini at polimi.it
> ----------------------------------------
>
>
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> 2010/10/8 <esp-r-request at lists.strath.ac.uk>
>
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>>   1. Re: Blind / Shutter Controls etc. (Achim Geissler)
>>
>>
>> ----------------------------------------------------------------------
>>
>> Message: 1
>> Date: Thu, 7 Oct 2010 19:06:38 +0200
>> From: Achim Geissler <achim.geissler at intergga.ch>
>> Subject: [esp-r] Re: Blind / Shutter Controls etc.
>> To: Dimitris Mantas <lmd26 at tee.gr>
>> Cc: esp-r at lists.strath.ac.uk
>> Message-ID: <9FD1017A-1235-4F87-B28E-A35B1EE05CA6 at intergga.ch>
>> Content-Type: text/plain; charset="us-ascii"
>>
>> Hi Dimitris
>>
>> for the switching of TMC type "windows" you do not use the "optics
>> control". You need to go in the menu "construction materials", choose the
>> zone of interest and then choose "transparent layer properties". Then you
>> are confronted with the choices you probably remember. The setup is not part
>> of the .ctl file but part of the .tmc file.
>>
>> Best
>> Achim
>>
>>
>> On Oct 7, 2010, at 5:18 PM, Dimitris Mantas wrote:
>>
>> > Hi All,
>> >
>> > I 'am trying to locate where I can impose blind/shutter controls.
>> > (e.g switching the optics of windows when radiation, temp or other is
>> above a value).
>> >
>> > I 've tried the optics controls but can't figure out what data to input.
>> >
>> > First, I put a sensor, sensoring radiation on a surface but the program
>> reports back it's going to sense db temp (instead of radiation) on that
>> surface.
>> > Then the actuator is set to actuate the values for the construction
>> chosen (e.g. double, low e glaz.), however I am not asked what the switched
>> values should be
>> > (as it was done in previous esp-r versions).
>> > In in the third menu (period) can't really understand what kind of input
>> is required by the program
>> > (bidirectional ?? and values such as -30, 1 etc.).
>> >
>> > Could you please give me a hint of what to do ?
>> >
>> > I suppose same querries may emerge for the case of lighting controls
>> etc.
>> >
>> > Searched the cookbook but couldn't find my answers.
>> >
>> > thanx in advance,
>> >
>> > Dimitris
>> >
>> >
>> > _______________________________________________
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>> > esp-r at lists.strath.ac.uk
>> > http://lists.strath.ac.uk/mailman/listinfo/esp-r
>>
>> achim.geissler at intergga.ch
>>
>>
>>
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>
>
>
> --
> Dr. Francesco Frontini, MEng PhD in Buildings Engineering
>
> ----------------------------------------
> Fraunhofer Institut für Solare Energiesysteme ISE
> Heidenhofstr. 2, 79110 Freiburg, Germany
>
> M1:    [+39] 333-3097826
> M2:    [+49] (0)1522-1624691
>
> Phone: [+49] (0)7614588-5358
> FAX:   [+49] (0)7614588-9358
>
> @1: francesco.frontini at ise.fraunhofer.de
> @2: francesco.frontini at polimi.it
> ----------------------------------------
>
>
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>
> achim.geissler at intergga.ch
>
>
>
>
>

-- 
Dr. Francesco Frontini, MEng PhD in Buildings Engineering

----------------------------------------
Fraunhofer Institut für Solare Energiesysteme ISE
Heidenhofstr. 2, 79110 Freiburg, Germany

M1:    [+39] 333-3097826
M2:    [+49] (0)1522-1624691

Phone: [+49] (0)7614588-5358
FAX:   [+49] (0)7614588-9358

@1: francesco.frontini at ise.fraunhofer.de
@2: francesco.frontini at polimi.it
----------------------------------------

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