Speakur

Word Pronunciation & Dictionary

scallop theorem

Word Rarity Rare

Frequency: Zipf frequency 2.71 in modern English

Syllables
scal-lop the-o-rem
IPA
23
Scrabble Score
14
Letters
4
Syllables
11
Unique Chars

Meaning

name

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.

Etymology

From an explanation of a principle of fluid dynamics given by E. M. Purcell, referring to the opening and closing motion of a scallop's hinge.

Inflected Forms

the scallop theorem (canonical)

Questions

What does scallop theorem mean?
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.
Where does scallop theorem come from?
From an explanation of a principle of fluid dynamics given by E. M. Purcell, referring to the opening and closing motion of a scallop's hinge.

How to pronounce scallop theorem

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