THIS COMMUNICATION IS CANCELLED. Edge tone in an organ pipe foot model

István Vaik , György Paál

Organ pipes feet are typical examples of the edge tone flow configuration when a free jet interacts with a sharp object and oscillates around it in a more or less periodic manner. In the steady state the resonator of the organ pipe stabilizes the oscillation and forces a certain frequency on the oscillation. However, in the initial phase of the organ pipe sound, the so-called attack transient, the resonator does not play a major role, rather the foot, corresponding to an edge tone configuration. As a first step towards modeling the sound the goal of this paper is to model the flow in a realistic organ pipe foot model using computational fluid dynamics (CFD). The numerical results were verified by the measurements of Außerlechner et al. [Journal of Acoustic Society of America 126 (2), pp. 878-886 (2009)] and were found to be in good agreement.

Mots clés: Edge Tone

Domaines: Acoustique [physics.class-ph]

István Vaik, György Paál. THIS COMMUNICATION IS CANCELLED. Edge tone in an organ pipe foot model. Acoustics 2012, Apr 2012, Nantes, France. ⟨hal-00811260⟩