[esp-r] Re: CFD and gridded small channel air movements

[Geissler Achim]

Dear Matthew

the easy one is no, it is not possible to model several spaces. Only one CFD zone is possible.

Yes, you can add "blockages", e.g. "furniture" or "half height walls". However, these cannot be coupled to thermal properties (hot wall or such like) to my knowledge. They are flow barriers, only.

You can couple the CFD zone with an air flow network. I do not quite understand your first question, but if it is an array of air outlets exhausting air into a larger void (atrium or some such space), then this should be possible via CFD in the large zone and afn for the air exhausts.

Best
Achim


Von: esp-r-bounces at lists.strath.ac.uk [mailto:esp-r-bounces at lists.strath.ac.uk] Im Auftrag von Matthew Wright
Gesendet: Donnerstag, 20. Dezember 2012 16:40
An: esp-r at lists.strath.ac.uk
Betreff: [esp-r] CFD and gridded small channel air movements

Hi ESP-r community,

Before I invest a large amount of time finding out, can someone tell me if the ESP-r CFD module supports modelling multiple air channels in a regular, rectangular array?
The channels would be opening into a large void one on or two sides. It's a typical air flow through small opening problem.

In short, does the CFD only model a clear rectangular space, or can physical walls or nominal thickness be inserted into the airflow?
IF it only models clear spaces, is it possible to run several spaces connected via a flow network or some sort to simulate the physics properly?

Thank you for any information.

Regards

Matt
Matthew Wright MA Physics (Oxon) PGCE
Physicist

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