A Mach 2.0 round jet at design and off-design condition is experimentally manipulated using two steady radial injectors to investigate the effect of fluidic injection on jet mixing. A new scaling law for L c * , the supersonic core length of manipulated supersonic free jets, is found as L c * = f 1 ( M R N / [ γ M j 2 p e / p a ] ) , where L c * is normalized by the nozzle throat diameter D th , γ is the specific heats ratio, M j is the ideally expanded jet Mach number, M R N is the momentum ratio of the individual injector jet to the main jet, and p e / p a is the expansion ratio of the main jet. The discussion pertaining to the scaling law provides an important insight into the choice of diameter ratio d / D for efficient jet manipulation, where d and D are the injector and nozzle exit diameters, respectively. Such insight can yield valuable information on the practical usability of fluidic injectors for the full-scale applications. It is also documented that fluidic injectors can provide an effective flow control mechanism for jet mixing applications in comparison to the elliptic jet.


    Zugriff

    Zugriff prüfen

    Verfügbarkeit in meiner Bibliothek prüfen

    Bestellung bei Subito €


    Exportieren, teilen und zitieren



    Titel :

    Design of Fluidic Injector for Supersonic Jet Manipulation


    Beteiligte:

    Erschienen in:

    AIAA Journal ; 60 , 8 ; 4639-4648


    Erscheinungsdatum :

    01.08.2022




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch






    Characteristics of a Supersonic Fluidic Oscillator Using Design of Experiment

    Park, SangHoon / Ko, HeeChang / Kang, MoonJung et al. | AIAA | 2020


    Design and testing of an integrated fluidic injector unit for S.I. engines

    Huang, Q. / Jones, B. / Leighton, N. J. et al. | British Library Conference Proceedings | 1993


    Design and testing of an integrated fluidic injector unit for S.I. engines

    Huang,Q. / Jones,B. / Leighton,N.J. et al. | Kraftfahrwesen | 1993