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Numerical investigations of the acoustics of a coaxial nozzle

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Author

Summary, in English

The acoustic field generated by two coaxial jets is studied numerically. The turbulent non-isothermal flow is handled by Large Eddy Simulations (LES) and the acoustical perturbations are treated by solving an inhomogeneous wave equation. The acoustical source is obtained from the instantaneous LES flow field. The computed flow and acoustical fields are compared to measured data. Good agreement between the computed and the measured results has been found.

Department/s

Publishing year

2005

Language

English

Pages

12601-12610

Publication/Series

43rd AIAA Aerospace Sciences Meeting and Exhibit - Meeting Papers

Document type

Conference paper

Publisher

American Institute of Aeronautics and Astronautics

Topic

  • Fluid Mechanics and Acoustics

Keywords

  • Coaxial jets
  • Large eddy simulations
  • Non-isothermal flow
  • Wave equation

Conference name

43rd AIAA Aerospace Sciences Meeting and Exhibit

Conference date

2005-01-10 - 2005-01-13

Conference place

Reno, NV, United States

Status

Published