[TRNSYS-users] MRT under solar radiation

[Freppel, Wirich]

Hello Marion,

Hopefully the next release will include this option then !
Thank you for your answer.

Best regards

Wirich

De : TRNSYS-users <trnsys-users-bounces at lists.onebuilding.org> De la part de Marion Hiller via TRNSYS-users
Envoyé : mardi 16 août 2022 12:10
À : TRNSYS users mailing list at OneBuilding.org <trnsys-users at lists.onebuilding.org>
Cc : Marion Hiller <Hiller at Transsolar.com>
Objet : Re: [TRNSYS-users] MRT under solar radiation

Hi Wirich,

in the standard release the comfort sensor is always fully shaded.
Within Transsolar, we do have a test version of an taking into account solar radiation incident transmitted by external windows on a comfort sensor.
It may become a feature of the next major release of TRNSYS.

Best regards,

marion


Transsolar Software Team
hotline at transsolar.com<mailto:hotline at transsolar.com>

Transsolar
Stuttgart | Munich | Paris | New York

Transsolar Energietechnik GmbH | Curiestrasse 2 | 70563 Stuttgart | Germany
CEO: Matthias Schuler, Thomas Auer, Stefan Holst, Dieter Schnelle
Registered at Amtsgericht Stuttgart HRB 23347 | USt-IdNr.: DE 152272639


Von: TRNSYS-users <trnsys-users-bounces at lists.onebuilding.org<mailto:trnsys-users-bounces at lists.onebuilding.org>> Im Auftrag von ??????? ???? ???? via TRNSYS-users
Gesendet: Mittwoch, 27. Juli 2022 22:02
An: TRNSYS users mailing list at OneBuilding.org <trnsys-users at lists.onebuilding.org<mailto:trnsys-users at lists.onebuilding.org>>
Cc: المهندس حيدر ناجي <hidar8837 at gmail.com<mailto:hidar8837 at gmail.com>>
Betreff: Re: [TRNSYS-users] MRT under solar radiation

Yes, you can calculate the thermal comfort by adding the required parameters in the TRNBuild program, as shown in the picture[cid:image002.png at 01D8BC88.2B737270]

‫في الأربعاء، 27 يوليو 2022 في 4:55 م تمت كتابة ما يلي بواسطة ‪Freppel, Wirich via TRNSYS-users‏ <‪trnsys-users at lists.onebuilding.org<mailto:trnsys-users at lists.onebuilding.org>‏>:
Hello,

I want to assess the thermal comfort under solar radiation in a building. The ASHRAE-55 standards proposes a method to calculate the Mean Radiant Temperature including the solar radiation.
I haven’t seen so far an add-on or a Type that performs this calculation. Given that all the information required (view factor, radiation heat flux, surface temperatures) are available in the building type, it should be easier to calculate it within the simulation instead of exporting all the data for a post-treatment.

Is it in mind to develop such an add-on or if no, could it be if the need is growing ?

Best regards

Wirich FREPPEL
Development engineer
COSMOS - Buildings Energy Performance & Daylighting Group
Cell: +33 637 053 174
Saint-Gobain Research Compiègne

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