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Numerical investigations of the acoustics of a coaxial nozzle

In English

Författare

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.

Avdelning/ar

Publiceringsår

2005

Språk

Engelska

Sidor

12601-12610

Publikation/Tidskrift/Serie

43rd AIAA Aerospace Sciences Meeting and Exhibit - Meeting Papers

Dokumenttyp

Konferensbidrag

Förlag

American Institute of Aeronautics and Astronautics

Ämne

  • Fluid Mechanics and Acoustics

Nyckelord

  • 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