Sine Wave Generator
Teachers’ Notes–Resonance Tubes
30
®
Part II
f
1
= 122 Hz (fundamental)
λ
= (346 m/s)/(122 Hz) = 2.84 m
L
= 1/2
λ
= 1.42 m (effective length)
Actual Tube Length = 1.31 m
End effect (per end) = (1.42 m-1.31 m)/2 = 5.5 cm, which is between the values from Part I.
1st Harmonic
3rd Harmonic
3rd Harmonic
Summary of Contents for WA-9867
Page 14: ...Sine Wave Generator Applications 14 ...
Page 26: ...Sine Wave Generator Resonance Tubes 26 ...
Page 32: ......