Constricting a tube at a pressure node lowers the modal frequency
Related
- Constricting a tube at a pressure antinode leaves the frequency unchanged (similarity 0.83)
- A constriction at a pressure node slows air and lowers resonant frequency (similarity 0.80)
- Pressure nodes in a sound field host maximal air flow which weakens sound intensity (similarity 0.80)
- Open pipe ends reflect low frequencies but pass high frequencies (similarity 0.79)
- Pipe constrictions shift mode frequencies up or down depending on node position (similarity 0.78)
- Each open-end reflection filters out high frequencies until the fundamental remains (similarity 0.78)