I'm trying to model a building integrated solar collector in EnergyPlus. Eventually, I'll write an OpenStudio measure to add the solarcollector to a specified surface.
I'm quite new to EnergyPlus and the modeling of solar collectors. In reviewing the results from the different EnergyPlus examples I found that when using a SolarCollector:FlatPlate:Water, heat supplied to the water is not extracted from the roof. Therefore, simulated heat load on the building will be higher than actual.
When using an SolarCollector:IntegralCollectorStorage, this is accounted for using the SurfaceProperty:OtherSideConditionsModel. This accounts for a ventilated cavity.
The only way I currently see to model my scenario is to:
- See if i can model using my flatplate using an ICS collector
- Use the ventilated cavity model, with a minimal cavity opening
Would this be the preferred way of simulating such a system? Or is there some other way to have EnergyPlus account for heat losses due to heating of the water?
