Viscous banding instabilities: non-porous viscous fingering

Kowal, KN

Kowal, KN (corresponding author), Univ Glasgow, Sch Math & Stat, Glasgow G12 8QQ, Lanark, Scotland.; Kowal, KN (corresponding author), Univ Cambridge, Dept Appl Math & Theoret Phys, Wilberforce Rd, Cambridge CB3 0WA, England.; Kowal, KN (corresponding author), Univ Cambridge, Trinity Coll, Cambridge CB2 1TQ, England.

JOURNAL OF FLUID MECHANICS, 2021; 926 ():

Abstract

We demonstrate a novel instability found within unconfined viscous bands/rims, or free-surface flows involving a longitudinal viscosity contrast. Such......

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