scallop theorem

English

From an explanation of a principle of fluid dynamics given by E. M. Purcell

scallop theorem (plural scallop theorems)

(fluid dynamics) A theorem which states that to achieve propulsion at low Reynolds number in simple (i.e. Newtonian) fluids, a swimmer must deform in a way that is not invariant under time-reversal.

E.M. Purcell. "Life at Low Reynolds Number", American Journal of Physics vol 45, p. 3-11 (1977)

单词	scallop theorem
释义	scallop theorem English Etymology From an explanation of a principle of fluid dynamics given by E. M. Purcell Noun scallop theorem (plural scallop theorems) (fluid dynamics) A theorem which states that to achieve propulsion at low Reynolds number in simple (i.e. Newtonian) fluids, a swimmer must deform in a way that is not invariant under time-reversal. Usage notes E.M. Purcell. "Life at Low Reynolds Number", American Journal of Physics vol 45, p. 3-11 (1977)
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