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  1. #1
    Join Date
    Feb 2005
    Posts
    18

    Unhappy

    hi friends
    according my information to find surface area we can used this equation :

    Q=U*A*LMTD
    so after use this equation to find A .
    now my question is what is the equation i must use to calculate transverse area to find required diameter, length and no. of rows according surface area (A) .
    i read this book (standard handbook for engineering calculation )
    and i get equation to find diameter length and no. of rows according surface area (A) for steam servise . but i am not find the equation using refrigerant or chilled water as cooling medium
    really i need your help thanks for your help in advance
    any example ,articles will be appressiate.

    thanks for all

  2. #2
    Join Date
    Nov 2004
    Location
    Clarence, NY
    Posts
    34
    Gladstone,

    You are a bit early. April 1st is a week from this Friday. If you'd really like to know who to use that equation , please check out "Fundamentals of Heat and Mass Transfer" by Incropera and De Witt. Any similar text will do. Alternatively, the ASHRAE Handbooks would do the job, I think. Maybe there wasn't really a question in the first place.......
    Mark Adams
    Clarence, NY

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