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  1. #1
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    Question Perforated Pipes forced air ventilation under slab of warehouse



    I have warehouse working at -20c
    with heave frost protection system
    consist of perforated pipes 4 inch diameter and 34 meter lenght 9 holes around the diameter
    the number of pipes is 50
    I need to calculate the required air flow for this system



  2. #2
    Join Date
    May 2007
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    Auckland
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    Re: Perforated Pipes forced air ventilation under slab of warehouse

    Why have holes in sub structure ventilation pipes ? I think the holes will allow moisture ingrees to sub structure where you do not want it.

  3. #3
    Join Date
    Feb 2014
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    Re: Perforated Pipes forced air ventilation under slab of warehouse

    it’s around always good to go with complete heat load and heat gain calculation to find the actual Air flow

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