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名詞

Darwin drift (uncountable)

1. (fluid dynamics) The phenomenon by which a fluid parcel is permanently displaced after the passage of a body through a fluid – the fluid being at rest far away from the body.
   • 2016, C.N. Likos; F. Sciortino; E. Zaccarelli, Soft Matter Self-Assembly, →ISBN, page 392:

     z-component of any force on the surface of the swimmer and ρ the radial co- ordinate. v D is termed the Darwin drift: by comparison, for a colloid at zero Reynolds number this quantity is infinite. The magnitude of the Darwin drift is of the order.