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pool water heating

Discussion in 'Home Power and Microgeneration' started by Guest, Oct 7, 2004.

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  1. Guest

    Guest Guest

    I'm looking for some help developing an idea for a new way to heat the pool.
    The "panels on the roof" idea works, as does laying miles of black poly.
    But they look messy & unattractive.

    One idea I'm playing with is to use the pool deck area.
    What if the concrete deck was "hollow", and water flowed through it?
    Could have foam under to stop heat loss.

    Another idead: What if the "deck" was some sort of poly material & water
    flowed under it. (but poly might be slippery??)
    Glass would work, but would be very expensive.

    Anyhow any ideas / thoughts appreciated.
     
  2. david

    david Guest

    you may try and build a mother earth waste oil heater and maybe wrap some large
    copper pipe around it and use some kind of pump like a small sump pump to
    surculate the water
     
  3. Guest

    That sounds difficult. How about painting the deck with a dark non-porous
    paint, and periodically making water flow from a pipe with some holes near
    the deck perimeter back into the pool? You might make it flow whenever the
    deck temp reaches 120 F. I think this would work better than a continuous
    flow, which would lose more heat by evaporation.

    Nick
     
  4. SQLit

    SQLit Guest

    Bury your miles of black poly in the cool deck ear the surface. Hollow
    concrete would be to hard to do and probably screw with the chemical balance
    of the water
     
  5. Guest

    How warm can we keep a 24'x32' pool with a 4' wide deck and an R1 cover with
    90% solar transmission in February in Phila, when 870 Btu/ft^2 of sun falls
    on the ground on an average 33.0 F day, with w = 0.0027?

    With no deck, a square foot of pool surface would collect 0.9x870 = 783
    Btu/day and lose 24h(T-33.0)1ft^2/R1, which makes T = 33+783/24 = 65.6 F.

    What's the max pool temp, using the deck?
    This may be an existing pool.
    Flood the deck at night.

    Nick
     
  6. Guest

    How warm can we keep a 24'x32' pool with a 4' wide deck and an R1 cover with
    With the cover over the deck, 0.9(870)1248ft^2=(T-33)(24hx768+6hx480)/R1,
    so T = 33+977.2K/21312 = 78.9 in Feb and 46.4+763.8K/21312 = 82.2 in Nov.

    Nick
     
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