[BLDG-SIM] Trombe Wall in DOE 2.2

[Mike Johnston]

Has anyone out there used the TROMBE-WALL-NV command in DOE2.2 to
effectively model a Trombe wall?  eQuest does not seem to offer this
command, so I am using text mode and following the guidance of the DOE
2.2 Dictionary (June 2006, pp 130-131).  In my model, the only change
when using this command (with appropriate WALL-PARAMETERS for the
construction: 0.1 emiss, 0.9 absorp, 1.5” channel width) appears to be
that heat load is increased when replacing the exterior wall with a
trombe-wall-nv, as the wall area is set equal to the trombe glass
(window) area.  No benefits appear to result from additional thermal
storage effect, as expected.  Was this feature fully developed?  Would I
be better off modeling a very narrow sunspace to represent the trombe
wall channel?  I’d welcome anyone’s input (particularly the DOE2
authors).

 

 

Michael Johnston, EI, LEED AP 
Energy Analysis Engineer
Sustainable Design Assistance
Architectural Energy Corporation
2540 Frontier Avenue, Suite 201
Boulder, Colorado 80301
Tel: 303-444-4149 ext. 433
Fax: 303-444-4304
mjohnston at archenergy.com

www.archenergy.com

 

 




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