Computation of Flow Noise Using Source Terms in Linearized Euler ’ s Equations

  title={Computation of Flow Noise Using Source Terms in Linearized Euler ’ s Equations},
  author={Christophe Bogey and Christophe Bailly and Daniel Juv{\'e}},
An acoustic analogy using linearized Euler’s equations (LEE) forced with aerodynamic source terms is investigated to compute the acoustic far Ž eld. This hybrid method is applied to three model problems simulatedby solving Navier–Stokes equations. In this way, its validity is estimated by comparing the predicted acoustic Ž eld with the reference solution given directly by the Navier–Stokes equations. The noise radiated by two corotating vortices is studied: Ž rst, in a medium at rest and… CONTINUE READING
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