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  • short-time dynamics and high-frequency rheology of suspensions of spherical core–shell particles with thin-shells

    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1392/07/24
    • تاریخ انتشار در تی پی بین: 1392/07/24
    • تعداد بازدید: 807
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     short-time dynamics and high-frequency rheology for suspensions of non-overlapping core–shell particles with thin shells were analyzed. in the thin-shell limit, the single-particle scattering coefficients were derived and shown to define a unique effective radius. this result was used to justify theoretically (in the thin-shell limit) the accuracy of the annulus approximation with the inner radius equal to the effective hydrodynamic radius of the core–shell particle. the two-particle virial expansion of the translational and rotational self-diffusion, sedimentation and viscosity was performed. the virial coefficients were evaluated and shown to be accurately approximated by the effective annulus model, in contrast to the imprecise effective hard sphere model.

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