[bldg-sim] straw bale
Jeff Haberl
jeffhaberl at tees.tamus.edu
Thu Feb 1 18:45:36 PST 2007
Hopefully you used custom weighting factors with layered walls and the Winklemann/Huang slab model. Makes a big difference.
Jeff
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Jeff S. Haberl, Ph.D., P.E.............................jhaberl at esl.tamu.edu
Professor......................................................Office Ph: 979-845-6507
Department of Architecture.......................Lab Ph: 979-845-6065
Energy Systems Laboratory.......................FAX: 979-862-2457
Texas A&M University..............................77843-3581
College Station, Texas, USA.......................URL: www-esl.tamu.edu
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----- Original Message -----
From: bldg-sim at gard.com <bldg-sim at gard.com>
To: bldg-sim at gard.com <bldg-sim at gard.com>
Sent: Thu Feb 01 19:25:18 2007
Subject: [bldg-sim] straw bale
Michael,
I've drawn R-vals for straw bale walls from "Thermal Performance of Straw Bale Wall Systems" (http://www.ecobuildnetwork.org/pdfs/Thermal_properties.pdf) and "Straw Bale Wall Hot Box Test Results and Analysis" (authors - J. E. Christian, A. O.Desjarlais, T. K. Stovall; year - 1999; not sure where published - maybe ASHRAE?)
I have modeled a straw bale wall in DOE-2.1 BDL using a layer of batt insulation sandwiched between stucco layers.
Aaron Dahlstrom
AKF Engineers, LLP
Philadelphia, PA
-----Original Message-----
From: bldg-sim at gard.com [mailto:bldg-sim at gard.com] On Behalf Of Kingsley, Michael L.
Sent: Tuesday, January 30, 2007 11:19 AM
To: bldg-sim at gard.com
Subject: [bldg-sim] straw bale
I am interested in modeling a straw bale structure. Has anyone modeled or seen case studies on models for straw bale structures before? Any recommendations on modeling the straw as a building material?
Thanks in advance!
Mike Kingsley
Energy Engineer
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