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Homework Help: End correction of a closed pipe

  1. Apr 14, 2016 #1
    1. The problem statement, all variables and given/known data

    Is there a scientiically approved method for end correction of a closed pipe.
    2. Relevant equations

    3. The attempt at a solution
    The formula used is Delta L = (3d) where d = diameter in cm.
  2. jcsd
  3. Apr 15, 2016 #2
    i think there are theoretical analysis of the correction by Rayleigh and others and one will have to go through their work...as people who are manufacturing the organ pipes do take care for the exactness of the frequencies to be excited by the pipes

    for example one can see;
    Lord Rayleigh, Theory of Sound, Vol II, §314 (Dover, NY, 1945 [1896] ) p.201 ff.
  4. Apr 15, 2016 #3
    Check the correction term ;
    perhaps it is 0.3 r or 0.6 D where r and D are radius and diameter of the pipe respectively.
  5. Apr 15, 2016 #4


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    Science Advisor

    According to wiki there is not:

    Take from that what you will.
  6. Apr 15, 2016 #5


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    Homework Helper
    Gold Member

    Did you mean "0.6r or 0.3D"?
  7. Apr 15, 2016 #6
  8. Apr 18, 2016 #7
    is it 0.3 d where d is in cm or m
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