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RE: [EnergyPlus_Support] Outdoor swimming pool
Dear Ery,
It sounds as though you want to consider the evaporation from the pool surface as an evaporative cooler. I trust that you have determined the rate of evaporation already and now need to apply that to the space.
Since the evaporation rate in pounds / kg of water per hour is known, you also know the equivalent sensible cooling rate (roughly 1000 BTU / pound of water). Armed with this information on an hourly basis, two possible strategies come to mind:
1. Define a water cooling coil which mimics your evaporative cooling effect. (This looks messy because there is no apparent way to directly control the cooling capacity and you will also need to define a chilled water loop and delete it?s energy from your totals.)
2. I think past posts have noted that you can define objects such as OtherEquipment with a negative energy value (i.e., cooling). If you also define a fractional schedule that mimics your evaporation rate, you should get the temperature effect represented properly.
The Building Performance Team
James V. Dirkes II, P.E., BEMP , LEED AP
1631 Acacia Drive NW
Grand Rapids, MI 49504
616 450 8653
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