[BLDG-SIM] Heat Stratification model in eQuest

Joe Huang yjhuang at lbl.gov
Thu Aug 25 11:44:03 PDT 2005


Vikram, others,

EnergyPlus models displacement ventilation or other underfloor systems with significant temperature stratification with a two-node room model developed by Paul Linden and others at UCSD, and Phil Haves at LBNL.

Joe


----- Original Message ----- 
  From: Vikram Sami 
  To: BLDG-SIM at gard.com 
  Sent: Thursday, August 25, 2005 7:11 AM
  Subject: [BLDG-SIM] Heat Stratification model in eQuest


  Suneel,
  As far as I know, you cannot model stratification in eQUEST. There is a workaround with modelling underfloor systems (Dan Nall & Marlin Addison have done some work in this area - check the link here, or just google their names)

  http://www.doe2.com/Download/Docs/Addison-Nall_UnderfloorAirDistPaper_Rev1.pdf

  I am not sure that this is what you are looking for though. If you are modelling only stratification, you probably want to use CFD.

  I am not familiar with Energy Plus, so I dont know if it does stratification modelling, but that might be an option thats cheaper than cfd.



  Vikram Sami,  LEED AP 
  Direct Phone 404-253-1466 | Direct Fax  404-253-1366 
  LORD, AECK & SARGENT ARCHITECTURE
  Responsive Design · Technological Expertise · Exceptional Service 
  www.lordaecksargent.com 

    -----Original Message-----
    From: BLDG-SIM at gard.com [mailto:BLDG-SIM at gard.com]On Behalf Of Suneel Gupta
    Sent: Thursday, August 25, 2005 8:17 AM
    To: BLDG-SIM at gard.com
    Subject: [BLDG-SIM] Heat Stratification model in eQuest


    I am modeling energy use within an airplane hanger.  

    Does anyone have any experience/recommendations on how to model the heat stratification within the building space using eQuest?

    Apologies if this is a repeat question.

    Thanks

    Suneel Gupta
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