Flow generated acoustic sources are of significant import for automotive applications since perception of noise is a critical customer satisfaction issue. High temperature acoustic sources known as thermo-acoustics such as those occurring inside an exhaust system of a vehicle, an important subset of acoustic sources, is the subject of the investigation.In this article, we study a Rijke tube configuration that consists of a vertical and hollow cylindrical tube open at both ends where sound is generated by buoyancy driven flow as a result of a heated wire gauze placed in the bottom half of the tube. This configuration captures the essence of the thermo-acoustic phenomena and was investigated both numerically and experimentally and good agreement was observed between the two.


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    Titel :

    Investigation of Thermo-Acoustic Excitations in a Rijke Tube Geometry


    Weitere Titelangaben:

    Sae International Journal of Passenger Cars. Mechanical Systems
    Sae Int. J. Passeng. Cars - Mech. Syst


    Beteiligte:

    Kongress:

    SAE 2014 World Congress & Exhibition ; 2014



    Erscheinungsdatum :

    01.04.2014


    Format / Umfang :

    8 pages




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch


    Schlagwörter :


    Investigation of Thermo-Acoustic Excitations in a Rijke Tube Geometry

    Mukutmoni, D. / Powell, R. / Mutnuri, L.A.R. et al. | British Library Conference Proceedings | 2014


    Rijke Tube Thermo-Acoustic Analysis Using a Finite Element Based Helmholtz Solver

    Balachandran, Karthik / Beriot, Hadrien / Schram, Christophe | AIAA | 2009