Abstract The purpose of the mixing unit (MU) in a passenger aircraft is to intermingle pre-conditioned air from outside the aircraft with recirculating air from inside the aircraft. In this paper, a detailed description of measurements of the mixing performance of an MU-prototype using a tracer gas is given. The tracer gas utilized for these investigations is carbon dioxide which is injected at some inlet of the MU. Subsequently, the concentration of $ CO_{2} $ is determined at each of the various outlets of the MU. The results of the tracer gas measurements are compared with the scale resolving computational fluid dynamics simulations performed with the SAS–SST turbulence model on the one hand and large eddy simulation on the other hand.


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    Titel :

    Development of a tracer gas method to determine the mixing efficiency of aeronautical mix manifolds


    Beteiligte:
    Tramposch, A. (Autor:in) / Hassler, W. (Autor:in) / Wiesler, B. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    2011




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch



    Klassifikation :

    BKL:    50.03 Methoden und Techniken der Ingenieurwissenschaften / 50.03 Methoden und Techniken der Ingenieurwissenschaften, Methoden und Techniken der Ingenieurwissenschaften / 55.50 Luftfahrzeugtechnik / 55.50 Luftfahrzeugtechnik, Luftfahrzeugtechnik
    DDC:    629.105




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