Jean,
I cannot comment much on most of your questions, but E+ has an object for chilled beams.
The Building Performance Team
James V. Dirkes II, P.E., BEMP , LEED AP
1631 Acacia Drive NW
Grand Rapids, MI 49504
616 450 8653
From: EnergyPlus_Support@xxxxxxxxxxxxxxx [mailto:EnergyPlus_Support@xxxxxxxxxxxxxxx] On Behalf Of Jean marais
Sent: Saturday, July 30, 2011 9:49 AM
To: EnergyPlus_Support@xxxxxxxxxxxxxxx
Subject: [EnergyPlus_Support] DOAS is good... is bad
Hi all, we started a discussion a while ago on the pros and cons of radiant ceiling systems. I just by chance came across a wikipedia (sorry about the reference) round up on the authors take on DOAS.
http://en.wikipedia.org/wiki/Dedicated_outdoor_air_system
I've also read some ASHRAE journal on the topic, but I'll have to do some fishing to find the articles again. This topic is actual for me and all others in Europe. I have questions:
1) When modelling chilled ceilings in eplus (not chilled beam induction or forced air units), I currently construct a construction for the ceiling with slab, insulation, Aluminium sheet 1mm, internal source, Aluminium sheet 1mm. As
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