| Issue |
Acta Acust.
Volume 10, 2026
|
|
|---|---|---|
| Article Number | 4 | |
| Number of page(s) | 6 | |
| Section | Aeroacoustics | |
| DOI | https://doi.org/10.1051/aacus/2025072 | |
| Published online | 06 February 2026 | |
Scientific Article
Aeroacoustic whistling mechanisms in perforated pen caps
Laboratoire d’Acoustique de l’Université du Mans, UMR 6613, CNRS, Le Mans Université, Le Mans, France
* Corresponding author: This email address is being protected from spambots. You need JavaScript enabled to view it.
Received:
22
July
2025
Accepted:
29
December
2025
Abstract
This paper investigates the acoustic behavior of a perforated pen cap, which acts as a compact self-sustained whistling system. Through experimental measurements and numerical simulations, we analyze the aeroacoustic interaction between jet flow dynamics and resonator geometry to identify conditions under which sound generation and amplification occur. The study highlights key aeroacoustic mechanisms and demonstrates pedagogical value, while suggesting practical implications for the design of flow-induced sound devices.
Key words: Whistling / Aeroacoustics / Vortex sound
© The Author(s), Published by EDP Sciences, 2026
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