Particle pressure and marginal stability limits for a homogeneous monodisperse gas-fluidized bed: kinetic theory and numerical simulations

DL Koch, AS Sangani - Journal of Fluid Mechanics, 1999 - cambridge.org
A linear stability analysis is performed for the homogeneous state of a monodisperse gas-fluidized
bed of spherical particles undergoing hydrodynamic interactions and solid-body …

The added mass, Basset, and viscous drag coefficients in nondilute bubbly liquids undergoing small‐amplitude oscillatory motion

AS Sangani, DZ Zhang, A Prosperetti - Physics of Fluids A: Fluid …, 1991 - pubs.aip.org
The motion of bubbles dispersed in a liquid when a small‐amplitude oscillatory motion is
imposed on the mixture is examined in the limit of small frequency and viscosity. Under these …

Measurements of the average properties of a suspension of bubbles rising in a vertical channel

R Zenit, DL Koch, AS Sangani - Journal of Fluid Mechanics, 2001 - cambridge.org
Experiments were performed in a vertical channel to study the behaviour of a monodisperse
bubble suspension for which the dual limit of large Reynolds number and small Weber …

Simple shear flows of dense gas-solid suspensions at finite Stokes numbers

AS Sangani, G Mo, HK Tsao, DL Koch - Journal of Fluid Mechanics, 1996 - cambridge.org
We examine the problem of determining the particle-phase velocity variance and rhe-ology
of sheared gas-solid suspensions at small Reynolds numbers and finite Stokes numbers. …

Transport processes in random arrays of cylinders. II. Viscous flow

AS Sangani, C Yao - The Physics of fluids, 1988 - pubs.aip.org
The method described in Part I [Phys. Fluids 31, XXXX (1988)] is extended to treat the problem
of determining the permeability of random arrays of infinitely long cylinders. The results …

A method for computing Stokes flow interactions among spherical objects and its application to suspensions of drops and porous particles

G Mo, AS Sangani - Physics of Fluids, 1994 - pubs.aip.org
… quote some results of differentiation taken from Hobson 15 and Sangani and AcrivOS:16 …
may be found in Sangani et af.27 Only the expressions for derivatives of S 1 were given in that …

An O(N) algorithm for Stokes and Laplace interactions of particles

AS Sangani, G Mo - Physics of Fluids, 1996 - pubs.aip.org
A method for computing Laplace and Stokes interactions among N spherical particles
arbitrarily placed in a unit cell of a periodic array is described. The method is based on an …

Inclusion of lubrication forces in dynamic simulations

AS Sangani, G Mo - Physics of fluids, 1994 - pubs.aip.org
A new method is described for incorporating close-field, lubrication forces between pairs of
particles into the multiparticle Stokes flow calculations. The method is applied to the …

Capillary force on particles near a drop edge resting on a substrate and a criterion for contact line pinning

AS Sangani, C Lu, K Su, JA Schwarz - Physical Review E, 2009 - APS
When a drop of liquid containing particles is allowed to evaporate from a substrate, the flow
induced by the liquid evaporating from the drop edge carries the particles to the edge. If …

Elastic coefficients of composites containing spherical inclusions in a periodic array

AS Sangani, W Lu - Journal of the Mechanics and Physics of Solids, 1987 - Elsevier
Theeffective elasticity tensor of a composite medium consisting of spherical elastic particles
firmly embedded in a periodic cubic arrangement into another elastic medium is …