Thanks, Ned!
I forgot about the losses to the ground, even though I always include it for an indoor pool. I’ll think about that one…
My approach for indoor ground losses is to make the pool volume a “basement zone” which is at the same temp as the pool water, then report its losses as part of the water heating process load. That doesn’t work quite the same for an outdoor pool, since I’ll need a separate “building”, instead of a special zone within the already-defined building.
The Building Performance Team
James V. Dirkes II, P.E., BEMP , LEED AP
1631 Acacia Drive NW
Grand Rapids, MI 49504
616 450 8653
From: EnergyPlus_Support@xxxxxxxxxxxxxxx [mailto:EnergyPlus_Support@xxxxxxxxxxxxxxx] On Behalf Of Edward G. Lyon
Sent: Wednesday, November 30, 2011 1:32 PM
To: EnergyPlus_Support@xxxxxxxxxxxxxxx
Subject: RE: [EnergyPlus_Support] Outdoor swimming pool
I’m not sure that you can do this calculation with any reliable accuracy. There are several formulas for pool water evaporation, some of which include potential wind effects, but this is only part of your load. Some of the formulas are based on operational experience for indoor pools by equipment manufacturer’s specifically for their product performance. The pool water is also loosing heat to the ground at some not well defined rate. I had one pool that was into ground water and had an underground flow inc
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