AI Article Synopsis
- The study uses microphone arrays to capture the sound of bursting soap bubbles and analyzes it with spherical harmonics decomposition.
- The findings reveal that the popping sound is primarily caused by capillary stresses from the soap film interacting with air and reflects changes in the liquid film during bursting.
- This research suggests that acoustic signatures from similar events could potentially be used to measure the forces involved in various physical or biological processes.
Article Abstract
The popping sound of a bursting soap bubble is acquired using microphone arrays and analyzed using spherical harmonics decomposition. Using the theoretical framework of aeroacoustics, we demonstrate that this acoustic emission originates mainly from the capillary stresses exerted by the liquid soap film on the air and that it quantitatively reflects the out-of-equilibrium evolution of the flowing liquid film. This constitutes the proof of concept that the acoustic signature of violent events of physical or biological origin could be used to measure the forces at play during these events.
Download full-text PDF |
Source |
|---|---|
| http://dx.doi.org/10.1103/PhysRevLett.124.084502 | DOI Listing |
Publication Analysis
Top Keywords
acoustic sensing
4
sensing forces
4
forces driving
4
driving fast
4
fast capillary
4
capillary flows
4
flows popping
4
popping sound
4
sound bursting
4
bursting soap
4
Similar Publications
Want AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!