Structure measurements were completed within the dilute portion of axisymmetric nonevaporating sprays. Measurements included: mean velocities, velocity fluctuations, and Reynolds stress of the gas phase; and mean velocities, fluctuating velocities, mass flux, and diameter distributions of the drop phase. The measurements were used to evaluate three typical methods of analyzing sprays: (1) a locally homogeneous flow (LHF) analysis, where slip between the phases is neglected; (2) a deterministic separated flow (DSF) analysis, where slip is considered but effects of drop interactions with turbulence are ignored; and (3) a stochastic separated flow (SSF) analysis, where effects of both slip and turbulence are considered using random-walk computations for drop motion. Measurements of initial conditions of both phases near the injector, mean gas-phase properties, and liquid flux distributions are described herein. Best agreement between predictions and measurements was obtained with the SSF model, which provided a reasonable representation of turbulent dispersion of drops. A companion paper presents additional measurements of drop continuous phase properties.


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    Titel :

    Structure of nonevaporating sprays. I - Initial conditions and mean properties


    Beteiligte:
    Solomon, A. S. P. (Autor:in) / Shuen, J.-S. (Autor:in) / Zhang, Q.-F. (Autor:in) / Faeth, G. M. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    01.10.1985



    Medientyp :

    Sonstige


    Format :

    Keine Angabe


    Sprache :

    Englisch




    Structure of nonevaporating sprays. II - Drop and turbulence properties

    Solomon, A. S. P. / Shuen, J.-S. / Zhang, Q.-Z. et al. | NTRS | 1985


    Structure of nonevaporating sprays - Measurements and predictions

    SOLOMON, A. / SHUEN, J.-S. / ZHANG, Q.-F. | AIAA | 1984


    Structure of nonevaporating sprays. II - Drop and turbulence properties

    SOLOMON, A. S. P. / SHUEN, J.-S. / ZHANG, Q.-Z. et al. | AIAA | 1985



    Structure of the near-injector region of nonevaporating pressure-atomized sprays

    RUFF, G. A. / BERNAL, L. P. / FAETH, G. M. | AIAA | 1991