Stability of convection in the mush under rocking motion

Falin Chen, C. A. Chung, M. H. Lai

Research output: Contribution to journalArticlepeer-review

3 Scopus citations


We implement a linear stability analysis for the mush under rocking motion. Owing to the rocking motion, the shifted gravity induces a parallel flow. Without rocking, all the instability modes propagating in different directions are of equal stability criteria. With rocking, except for the longitudinal mode propagating in the direction perpendicular to the induced flow, all modes are to various extents inhibited by the induced flow. More precisely, all these modes are inhibited by the periodical buoyancy reduction in the direction of density gradient, which essentially stabilizes the system without preferred direction.

Original languageEnglish
Pages (from-to)1295-1298
Number of pages4
JournalPhysics of Fluids
Issue number3
StatePublished - Mar 2002


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