The equations for the harmonic frequencies of open and closed pipe wind instruments are derived. An animation of a longitudinal standing wave pattern in a closed pipe is shown. Displacement and pressure nodes and antinodes are shown. Want Lecture Notes? www.flippingphysics.com/wind-... This is an AP Physics 1 Topic.
0:00 Intro
0:10 Harmonic frequencies of stringed instruments
0:52 Open pipe and closed pipe wind instruments
1:46 Open pipe standing wave patterns
2:47 Open pipe natural frequencies
3:50 Closed pipe - first harmonic
4:49 Closed pipe - second harmonic
5:43 Closed pipe - third harmonic
6:42 Closed pipe natural frequencies
7:21 Displacement and pressure nodes and antinodes
9:07 Closed pipe standing wave pattern animation
10:24 The adjusted length of wind instruments
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