[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

RE: [EnergyPlus_Support] Water heating - swimming pool

Simulating a swimming pool is not simple and likely incorporates significant uncertainty.   The EMS is flexible enough to make some simulation if you are adept at programming.  You will need to program the following:

Water Evaporation Equation ? There are several to choose from (see ASHRAE Applications for one of them). They typically have several inputs including pool activity.  Of course the pool evaporation is also going to interact with the room conditions and ventilation.  The water evaporation will be a primary heat loss.

Radiant Heating ? Consider that the flat body of hot water is also a low temperature radiant heat source that exchanges energy with the room, mostly the ceiling/roof.  You can simulate a radiant heat source operating at water temperature and collect that energy as water heat loss.

Ground/Container Heat Loss ? Pool water will lose heat through the walls of the pool.  If this is an in ground pool, the losses will be hard to estimate.  You may be able to make SLAB estimate something for you, but I once had a pool set in the water table with a ground water flow that pulled more heat out of the water. An above grade pool will have heat loss to the adjacent zones.

Ned Lyon, P.E. (MA)
Staff Consultant


Primary EnergyPlus support is found at:
<http://energyplus.helpserve.com>http://energyplus.helpserve.com or send a message to energyplus-support@xxxxxxxx

The primary EnergyPlus web site is found at:

The group web site is:

Attachments are currently allowed but be mindful that not everyone has a high speed connection.  Limit attachments to small files.

EnergyPlus Documentation is searchable.  Open EPlusMainMenu.pdf under the Documentation link and press the "search" button.


Your email settings: Individual Email|Traditional
<http://groups.yahoo.com/group/EnergyPlus_Support/join;_ylc=X3oDMTJmcG45Nmg5BF9TAzk3NDc2NTkwBGdycElkAzMzODc0ODgEZ3Jwc3BJZAMxNzA1MDA3Mzg5BHNlYwNmdHIEc2xrA3N0bmdzBHN0aW1lAzEyOTE3NTM2NDY->Change settings via the Web (Yahoo! ID required)
Change settings via email: <mailto:EnergyPlus_Support-digest@xxxxxxxxxxxxxxx?subject=Email Delivery: Digest>Switch delivery to Daily Digest | Switch to Fully Featured
<http://groups.yahoo.com/group/EnergyPlus_Support;_ylc=X3oDMTJkNmNyYmJmBF9TAzk3NDc2NTkwBGdycElkAzMzODc0ODgEZ3Jwc3BJZAMxNzA1MDA3Mzg5BHNlYwNmdHIEc2xrA2hwZgRzdGltZQMxMjkxNzUzNjQ2>Visit Your Group  | <http://docs.yahoo.com/info/terms/> Yahoo! Groups Terms of Use  | <mailto:EnergyPlus_Support-unsubscribe@xxxxxxxxxxxxxxx?subject=Unsubscribe> Unsubscribe