how can i optimize Co2 concentration and fan electricity usage

asked 2020-09-27 08:12:45 -0500

jupil
21 ●1

updated 2020-10-01 09:23:12 -0500

i've modeled a zone through Design Builder and exported it as an IDF file. I can only check the co2 and fan elec on .ESO file via Energy Plus result viewer. At this point which tool should I use for optimization. I'm thinking about genopt or jEplus. After picking one, what proceduere i should follow? my variables will be ventilation rate and occupancy rate I'm new to this and need alot of help, Thanks

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I'd say use jEPlus (to define your parametric project and manage simulation runs) and jEPlus+EA (to run multi-objective optimisation). But, of course, I am biased :D

Yi Zhang ( 2020-09-28 04:53:44 -0500 )edit

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answered 2020-09-28 03:50:21 -0500

Jim Dirkes
3424 ●25 ●15

Your goal is not clear. Please expand you description. For example, I don't think you can "optimize" CO2 concentration in an energy model, and CO2 has little to do with fan power in normal situations.

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answered 2020-09-29 03:28:11 -0500

Johann Lo
41 ●1 ●3

Jupil you are probably speaking about a Demand Controlled Ventilation (DCV) which operates the fan following the room CO2 concentration ? You can modify the contaminant setpoint (here CO2) in DesignBuilder or EnergyPlus, or do a parametric study with GenOpt or jEPlus like quoted above. If you need any example in EnergyPlus look for files with "DCV" in the Example folder.

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oh yeah dcv right. Thanks for the help, I'll check them out!

jupil ( 2020-10-13 01:30:47 -0500 )edit

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