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  1. #1
    Join Date
    May 2010
    Posts
    1

    40 F Spring for a water-source heatpump

    I've got a 3.3 gpm spring that flows 40 F water. I'd like to use this for heating with a small water-source heatpump. Cooling the spring water all the way to 32 F yields a heat flux of about 13,000 btu/hr. What kind of evaporator design could accomplish this?

  2. #2
    Join Date
    Dec 2007
    Location
    oregon
    Posts
    885
    Depending on your thermal extraction from the water ( delta T ) and speed of the water through your heat exchanger, you may freeze the water in your heat exchanger.
    Genius = The guy who can do anything...except make a living!

  3. #3
    Join Date
    Apr 2010
    Location
    West Virginia
    Posts
    636
    Quote Originally Posted by microHydro View Post
    I've got a 3.3 gpm spring that flows 40 F water. I'd like to use this for heating with a small water-source heatpump. Cooling the spring water all the way to 32 F yields a heat flux of about 13,000 btu/hr. What kind of evaporator design could accomplish this?
    what part of the country are you in? my spring runs 58.
    I have only 2 gallon per min though.

    Jim

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