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  1. #14
    Join Date
    Oct 2011
    Location
    Chicagoland Area
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    4,681
    Quote Originally Posted by 54regcab View Post
    You would need to have some type of circulator to move the fluid. I suppose it could work w/o an expansion device and a small circulator in place of the compressor. Don't know why anybody would want to do this though...

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  2. #15
    Join Date
    Aug 2012
    Posts
    6
    54regcab- why would you need a circulator to move the fluid? it seems to me like a compressor speeds up the refrigeration process
    why would you suppose it could work w/o an expansion device? does the expansion device make the refrigerant into a liquid by increasing the pressure into a smaller pipe?

    socotech, hvacvegas, and others- this is purely hypothetical in order to better understand the equipment I am working with and there are endless applications to the question such as a basement with no windows and no ductwork for there to be an economizer. it can also be applied to refrigeration as barbar said there is a manufacturer in scotland that designed a valve and system to be applied in industrial refrigeration.

    viceman- is it truely necessary to raise the refrigerant pressure before the condesor?

    jpsmith1cm- I guess this is a lot simpler than I thought originally

  3. #16
    Join Date
    Jun 2004
    Location
    Eugene, Oregon
    Posts
    1,018
    Heatpipes are use often for heat recovery. Exhaust air heats a volatile fluid in a heatpipe coil causing the fluid to vaporize. The vapor is then cooled by the outside air causing the vapor to condense to a fluid which flows back to the exhaust side of the heatpipe coil.
    "The bitterness of poor quality remains long after the sweetness of low price is forgotten". --Benjamin Franklin
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  4. #17
    Join Date
    Aug 2012
    Posts
    6
    Is the purpose of this volatile fluid procedure to remove the heat from the exhaust air quicker? isn't a heat recover system generally used to use the heat for another application?

  5. #18
    Join Date
    Jun 2004
    Location
    Eugene, Oregon
    Posts
    1,018
    The heat recovered from the exhaust air is use to heat the outside air used for ventilation.
    "The bitterness of poor quality remains long after the sweetness of low price is forgotten". --Benjamin Franklin
    "Don't argue with an idiot, they will drag you down to their level and beat you with experience". --Mark Twain
    http://www.campbellmechanical.com

  6. #19
    Join Date
    Dec 2012
    Location
    columbus, OH
    Posts
    2,072
    Quote Originally Posted by ari View Post

    in another scenario if the outside coil was 100 times the size of the inside coil would the inside space be cooled even if it was hotter outside.
    You can cool by using a heat source. The heat source acting as a compressor i dont pretend to fully understand the absorption refrigeration cycle, but theirs more to it than a gaint condenser

  7. #20
    Join Date
    Jun 2001
    Location
    Moore, Oklahoma, United States
    Posts
    4,376
    Heat would be carried through the fluid, just like the way a car radiator works. an expansion device is needed to move heat from a cooler area to a warmer one beacuase the pressure needs to be lower on the cool side. 2 different theory's of operation here....

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