Three-Dimensional Numerical Simulation of the Jet Screech Phenomenon

Three-dimensional numerical simulations of the jet screech phenomenon are carried out using the multiple-size-mesh, multiple-time-step, dispersion-relation-preserving scheme. The simulations reproduce all of the experimentally observed characteristic features of the screech tones, including the axis...

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Bibliographic Details
Published in:AIAA journal 2002-01, Vol.40 (1), p.33-41
Main Authors: Shen, Hao, Tam, Christopher K. W
Format: Article
Language:English
Subjects:
Acoustic noise
Acoustic variables measurement
Acoustics
Aeroacoustics and atmospheric sound
Aeroacoustics, atmospheric sound
Aerodynamics
Aircraft
Algorithms
Axial flow
Computational methods
Computer simulation
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Jets
Navier Stokes equations
Noise
Physics
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Summary:Three-dimensional numerical simulations of the jet screech phenomenon are carried out using the multiple-size-mesh, multiple-time-step, dispersion-relation-preserving scheme. The simulations reproduce all of the experimentally observed characteristic features of the screech tones, including the axisymmetric A1 and A2 modes, the flapping/helical B and C modes, and the staging phenomenon.
ISSN:0001-1452
1533-385X
DOI:10.2514/2.1638