[bldg-sim] Digest (09/12/2003 03:01) (#2003-62)

[Mark Zoeteman]

Mark,
There is also a product "Airfloor" which creates air plenum under a
poured concrete floor.
The stamped sheet metal forms connect together creating a void under
floor.
See product at:
http://www.sunearth.net/airfloor.html
I am not sure if the Airfloor Systems, Inc. is still in business as
their website is not accessible.
 
Mark Zoeteman
Sustainable Engineering
(616) 765-3500 
 <mailto:markzoeteman at core.com> markzoeteman at core.com
 
-----Original Message-----
From: postman at gard.com [mailto:postman at gard.com] On Behalf Of Ian
Theaker
Sent: Friday, September 12, 2003 11:50 AM
To: bldg-sim at gard.com
Subject: [bldg-sim] Digest (09/12/2003 03:01) (#2003-62)
 
Mark, Bldg-Simmers, 
The UK's Building Research Establishment's "Office of the Future" is one
Euro building that deliberately uses voids formed into precast concrete
floor/ceiling panels to distribute & extract natural ventilation air,
consciously activating their thermal mass.  These proprietary panels
were invented & seem to be most widely used in Scandinavia; they create
an undulating ceiling with ~10' period peak to peak, with 'waves' ~2.5'
deep.  A flat floor is cast above, and air is driven by wind pressure
between this floor slab and the lower ceiling formed by the precast
panels.  Their curving shape lend themselves very well to
direct/indirect lighting fixtures suspended below the high points of the
ceiling;  for both nat vent & daylighting purposes, sections are
oriented perpendicular to the exterior walls. The shapes tend to elicit
that 'WOW' factor from architects....
As I say, these are a proprietary precast system, but the manufacturer's
name escapes me at the moment.  For more information, speak to Feilden
Clegg Architects (London, UK?) or the BRE; David Lloyd Jones' book
"Architecture & the Environment - Bioclimatic Building Design" has both
lovely pictures & (hail Mary!) monitored energy performance #s (83
kWhe/sq.m-yr *total*!)
 
Hope this helps, 
Ian G. Theaker, P.Eng.  
Senior Energy Engineer 
  
503.382.2266 OFFICE 
503.382.2654 DIRECT 
503.382.2262 FAX 
Consultants of Choice to the Built Environment 
www.interfaceengineering.com 
 
-----Original Message----- 
From: postman at gard.com [mailto:postman at gard.com] 
Sent: Friday, September 12, 2003 12:02 AM 
To: bldg-sim at gard.com 
Subject: [bldg-sim] Digest (09/12/2003 03:01) (#2003-62) 
 
(#2003-62) - Topics this issue: 
     1) Integrated air distribution system, <mcase at etcgrp.com> 
---------------------------------------------------------------------- 
 
Date: Thu, 11 Sep 2003 10:33:55 -0600 
From: "Mark E. Case" <mcase at etcgrp.com> 
Subject: Integrated air distribution system 
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I'm looking for information on structurally integrated air distribution
systems (for want of a better term). I seem to remember reference to a
building that had the air distribution integrated into the floor slab at
one of JE Braun's presentations on building mass thermal storage. The
idea was to more effectively couple the air system with the building's
thermal mass. I know some related work has been done with raised floor
systems over concrete slabs but that's not really what I'm thinking of. 
I opened my big mouth at a design concept meeting for a local green
project, the architect thought WOW!, and now the engineer wants some
references.  Imagine that. Any references would be appreciated. 
 
Mark E. Case, President 
etc Group, Inc. 
3481 South 2300 East 
Salt Lake City, UT 84109 
801-278-1927, 801-278-1942(F) 
  
 


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