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Using corrcted value for Hardy Cross method?

  1. May 12, 2016 #1
    1. The problem statement, all variables and given/known data
    i have several example of hardy cross problem involve 2 loops , for the junction that divide 2 loops , is it necessary to use the corrected value for the junction on second loop for the first trial ? or just use the initial assumption will do ?
    http://nptel.ac.in/courses/112104118/lecture-36/hyperlink/examp_36_1.htm
    using this example , the BD is the junction that divide 2 loops , should we use the corrected value 0.8 -(-0.46) =1.26 or stick to the original assumption (0.8) just like the author ?

    in the second example here , the author use the corrected value (0.01731) for junction BE in the second loop instead of 0.0
    vLGiFZU.png


    2. Relevant equations


    3. The attempt at a solution
    i think in the first example , we should use he corrected value 0.8 -(-0.46) =1.26 instaed of 0.8
     
  2. jcsd
  3. May 12, 2016 #2
    which is correct ?
     
  4. May 12, 2016 #3
    which is correct ? with or without correction ?
     
  5. May 12, 2016 #4
    anybody can answer ?>
     
  6. May 14, 2016 #5
    bump
     
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