Friedrich Brotz’s scientific contributions

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Publications (1)


Figure 1. Helmholtz resonator placed in a tube in a presence of a flow.
Figure 2. Experimental setup: the resonator is placed in a reverberant room for measurements
Figure 3. Hexadominant CFD mesh generated using ICEM-CFD Tetra: 555 000 cells with a mesh refinement in the neck region
Figure 4. Velocity distribution at a given time step, and pressure fluctuations for a selected location, result related to CFD#1
Figure 5. Acoustic model for the monopole: trace of the mesh and boundary conditions

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Aeroacoustic Simulation of the Noise Radiated by an Helmholtz Resonator Placed in a Duct
  • Conference Paper
  • Full-text available

May 2005

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402 Reads

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10 Citations

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Paul Ploumhans

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Xavier Gallez

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[...]

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Fred Mendonca
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Citations (1)


... The phenomenon of the flow-related acoustic wave generation is the subject of many works focused on the identification of basic mechanisms of sound generation. In Ref. [6], a numerical analysis is presented of the operation of a typical-geometry Helmholtz resonator placed in a fluid flow. In Ref. [7], an analysis is conducted of the flow along a cavity with a lid, characterized by a geometry similar to the one analysed herein and operating in conditions corresponding to the Helmholtz resonator. ...

Reference:

Experimental and numerical analysis of heat transfer within cavity working under highly non-stationary flow conditions
Aeroacoustic Simulation of the Noise Radiated by an Helmholtz Resonator Placed in a Duct