Noise prediction from cold high-speed turbulent jets using large-eddy simulation

Frank E. Ham, Arjun Sharma, M. Shoeybi, Sanjiva Lele, Parviz Moin, E. van der Weide

    Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

    4 Citations (Scopus)

    Abstract

    A flexible hybrid approach is investigated for computing far-field jet noise. Compressible large eddy simulation based on a linear discontinuous Galerkin (DG) solver is used to com- pute the near-field flow. The far-field noise is computed using a Ffowcs Williams-Hawkings solver. Two variants for the degrees of freedom in the linear DG solver are considered and their impact on the implicit numerical dissipation tested. Both variants support arbitrary, approximately convex polyhedral elements. The overall method is applied to predict the far-field noise of a Ma = 0.9 cold turbulent jet including nozzle geometry. Comparisons with measured flow fields are reasonable, however preliminary noise predictions show excessive falloff in the high frequency range.

    Original languageEnglish
    Title of host publication47th AIAA Aerospace Sciences Meeting including the New Horizons Forum and Aerospace Exposition
    Subtitle of host publication5-8 January 2009, Orlando, Florida ; [papers]
    PublisherAmerican Institute of Aeronautics and Astronautics Inc. (AIAA)
    ISBN (Print)9781563479694
    DOIs
    Publication statusPublished - 1 Dec 2009
    Event47th AIAA Aerospace Sciences Meeting including the New Horizons Forum and Aerospace Exposition 2009 - Orlando, United States
    Duration: 5 Jan 20098 Jan 2009
    Conference number: 47

    Conference

    Conference47th AIAA Aerospace Sciences Meeting including the New Horizons Forum and Aerospace Exposition 2009
    CountryUnited States
    CityOrlando
    Period5/01/098/01/09

    Fingerprint

    Dive into the research topics of 'Noise prediction from cold high-speed turbulent jets using large-eddy simulation'. Together they form a unique fingerprint.

    Cite this