The propagation of a voidage disturbance in a uniformly fluidized bed

DOI10.1017/S0022112083001391zbMath0543.76130OpenAlexW2127067916MaRDI QIDQ3332633

David John Needham, John H. Merkin

Publication date: 1983

Published in: Journal of Fluid Mechanics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1017/s0022112083001391

zbMATH Keywords

viscosityfluidized bednonlinear theorynegative diffusionsolid particlesuniform statetwo-fluid equationspressuresparticle inertiacondition for stabilityfinite-amplitudediscontinuities which propagate upwardsdrag and gravitational force on the particleslinearized theory for small disturbancessmall) Froude numbersvoidage (volume fraction of fluid) wave propagation

Mathematics Subject Classification ID

Nonlinear effects in hydrodynamic stability (76E30) Multiphase and multicomponent flows (76T99)

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Cites Work

• Instability waves and the origin of bubbles in fluidized beds—II Comparison with theory
• On the mathematics of fluidization Part 1. Fundamental equations and wave propagation
• Averaged Equations for Two‐Phase Flows
• On the Settling Speed of Free and Fixed Suspensions