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Re: [EnergyPlus_Support] Modeling Heating w/ "Chilled" Beams

This is one for the developers. I don't know the coding if the chilled beam model. My gut feel is that it would work, but if it would be working correctly using the correct correlations, is a different question.

How would you link up a WaterHeater object simultaneously to a heating and cooling plant. There is just one pair of source-side ports. I also doubt dynamic node connections are possible with EMS.

Also, does the chilled beam in heating mode have an electric induction fan which jumps on to compensate what (I believe) you correctly described the lack of natural induction. 

In my opinion you are asking all the right questions. Post it to the help desk and keep us updated. I am really interested.

Kind regards,


Sent from my iPhone 

On 22.03.2013, at 21:44, "luke_dorna" <luke.dorna@xxxxxxxxx> wrote:



I am currently modeling an office space with active chilled beams. I was using the AirTerminal:SingleDuct:ConstantVolume:CooledBeam object with baseboard radiant to pick up the heating load. However, the designers have opted to remove the baseboard radiant and go with dual mode "chilled beams" that will also do the zone heating.

Does anyone know a way to model chilled beam in heating mode, or do I need to move to the four pipe induction unit as a substitute? I don't think the induction unit accounts for the convective induction portion of the active chilled beam design.

I was also thought of using a mixed water loop to attach the beams to, I'm pretty sure putting a chiller and boiler on the same loop won't end well for me.





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