Honda employed the concept of Helmholtz resonance, the phenomenon that generates sound when a person blows across the top of an empty bottle, to create a resonator that wraps around the wheel and ...

However, large-scale Helmholtz resonators have been used recently by acousticians in perfecting the design of the celebrated Sydney Opera House. The basic design of the resonator as an enclosed air ...

(Triumph/) The stock exhaust system features an integrated Helmholtz resonance chamber on the header and an additional side ...