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Zoro
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Homework Statement
Is there a scientiically approved method for end correction of a closed pipe.
Homework Equations
The Attempt at a Solution
The formula used is Delta L = (3d) where d = diameter in cm.
Zoro said:Is there a scientiically approved method for end correction of a closed pipe.
Check the correction term ;Zoro said:The formula used is Delta L = (3d) where d = diameter in cm.
There is no scientifically proven and accepted value for the end correction of a resonant tube, various values ranging from 0.3r to 0.6r have been suggested from numerous disparate experiments. Lord Rayleigh was the first experimenter to publish a figure, in 1871: it was 0.3r.
Did you mean "0.6r or 0.3D"?drvrm said: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.
i might have made an error; pl. seeharuspex said:Did you mean "0.6r or 0.3D"?
End correction in a closed pipe refers to the adjustment needed to account for the physical dimensions of the pipe's end when calculating the resonant frequency of the pipe. This correction is necessary because the actual effective length of the pipe is longer than the length that is measured.
End correction can be calculated by adding the radius of the pipe to the measured length of the pipe, and then dividing that value by 2. The resulting value is then added to the measured length to get the corrected length of the pipe.
End correction is important in acoustics because it affects the resonant frequency of a closed pipe. If the end correction is not accounted for, the calculated resonant frequency of the pipe will be inaccurate, which can impact the performance of instruments such as flutes and organ pipes.
The end correction varies for different pipe shapes because the radius of the pipe's end is different for each shape. For example, a cylindrical pipe will have a different end correction than a conical pipe, even if they have the same measured length.
Yes, end correction can be negative. This occurs when the pipe's end is flared or tapered, resulting in a larger radius at the end. In this case, the end correction value will be subtracted from the measured length of the pipe to get the corrected length.