Chaotic Advections for Stokes Flows in Circular Cavity
作者： Tzong-Yih Hwu , Der-Liang Young , Yih-Yuh Chen , None
DOI: 10.1061/(ASCE)0733-9399(1997)123:8(774)
关键词: Viscous liquid 、 Mechanics 、 Laminar flow 、 Chaotic mixing 、 Streamlines, streaklines, and pathlines 、 Boundary value problem 、 Stokes flow 、 Physics 、 Cylinder 、 Classical mechanics 、 Mixing (physics) 、 Mechanical engineering 、 Mechanics of Materials
摘要: Steady Stokes flows in a circular cavity is analytically solved by using Green’s function. The familiar phenomenon of Lagrangian chaos for long, cylinder filled with viscous fluid subject to various boundary conditions studied numerically. To achieve chaotic mixing the particles, two mobile outer walls close contact fixed inner wall that have corresponding openings are made (independently) oscillate periodically time. expansion rate thin filament also determined when oscillatory modulation turned on. Our study shows counterrotating boundaries greater tendency create than corotating ones.
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