16-year-old builds 30-pulse-per-second acoustic extinguisher tested across four fuel classes
A Mexican high-school project demonstrates repeatable acoustic extinguishment at 30 Hz across multiple fuel types. Existing literature already documents the underlying mechanism; the device adds a low-voltage portable instance but supplies no performance metrics for comparison. Regulatory and endurance data are still required for operational use.
The prototype pairs a frequency generator and speaker to displace oxygen at the flame front without residue or agent discharge. Tests covered Class A, B, K, and energized equipment fires, confirming consistent extinguishment times under repeated ignition. No quantitative sound-pressure or power-consumption data appear in the project record.
Acoustic flame suppression appears in peer-reviewed work dating to at least 2012 DARPA experiments and subsequent studies in Combustion and Flame on standing-wave oxygen displacement. Venegas Hernández’s 30 Hz choice aligns with low-frequency regimes shown to create vortex rings that advect oxidizer away from the reaction zone. The student design omits SPL measurements and does not benchmark against commercial clean-agent systems or water-mist nozzles.
Operational deployment hinges on battery endurance, speaker durability under continuous duty, and regulatory listing for occupied spaces. Current form factor suits portable spot suppression but lacks evidence for room-scale performance or repeated-cycle reliability required by NFPA 2001. Integration into existing fire panels or drone platforms remains untested.
Next engineering step requires controlled SPL mapping and third-party burn-chamber validation before any field claim.
Vortex Tech: Independent burn-lab report with SPL and cycle-life data published within 12 months
Sources (3)
- [1]Primary Source(https://www.upsocl.com/en/16-year-old-mexican-student-creates-an-acoustic-fire-extinguisher-that-uses-sound-waves-to-put-out-fires-in-seconds/)
- [2]Supporting Source(https://www.darpa.mil/news-events/2012-07-13)
- [3]Supporting Source(https://doi.org/10.1016/j.combustflame.2015.03.012)