Open Pipe Harmonic Frequency
f = n·v / (2·L)
What it says
The resonant frequency of the nth harmonic in a pipe open at both ends equals n times the speed of sound divided by twice the pipe length. Both ends are pressure nodes, so all integer harmonics are present.
Symbols
| Symbol | Quantity | Dimension |
|---|---|---|
f | Harmonic frequency (Hz) | T^-1 |
n | Harmonic number (dimensionless) | 1 |
v | Speed of sound (m/s) | L T^-1 |
L | Pipe length (m) | L |
Work it out
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Connects to
Filed under Waves · derive through it in the explorer