[Bldg-sim] Chilled Beams

Brain, Joshua JBrain at Vanderweil.com
Wed Dec 12 11:46:59 PST 2007


Has anyone compared a VAV system against a chilled beam (CB) system for
a building located in the Northeastern US using eQuest?  I have modeled
an office building having a VAV system and then having a CB system and
have gotten some interesting results.  The CB is saving both cooling and
heating energy annually, but is being penalized by electric fan energy.
Might anyone have any input or experience that they could share with me?


 

FYI:  to simulate the chilled beam I am using an induction unit (2.46:1
induction ratio) with about 26% minimum outdoor air (there is return,
this is not a 100% OA system), separate CHW and HW loops for the chilled
beams.  

 

Thanks for your input.

 

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