J
Jeffrey F. Morris
Researcher at City College of New York
Publications - 172
Citations - 10367
Jeffrey F. Morris is an academic researcher from City College of New York. The author has contributed to research in topics: Shear rate & Rheology. The author has an hindex of 50, co-authored 171 publications receiving 8878 citations. Previous affiliations of Jeffrey F. Morris include City University of New York & Georgia Institute of Technology.
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Discontinuous Shear Thickening of Frictional Hard-Sphere Suspensions
TL;DR: It is shown that contact friction is essential for having DST, and above a critical volume fraction, the existence of two states: a low viscosity, contactless (hence, frictionless) state, and a high Viscosity frictional shear jammed state.
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Inertial migration of rigid spherical particles in Poiseuille flow
TL;DR: In this article, an experimental study of the migration of dilute suspensions of particles in Poiseuille flow at Reynolds numbers from the entrance, changes from one centred at the annulus predicted by the theory to one with the particles primarily on the inner annulus.
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Curvilinear flows of noncolloidal suspensions: The role of normal stresses
TL;DR: In this article, the role of normal stresses in particle migration and macroscopic spatial variation of the particle volume fraction φ in a mixture of rigid neutrally buoyant spherical particles suspended in Newtonian fluid is examined for curvilinear shear flows.
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Shear thickening, frictionless and frictional rheologies in non-Brownian suspensions
TL;DR: In this paper, Seto et al. investigated the effect of friction on shear thickening and found frictional contact forces to be essential and were able to reproduce the experimental behavior by a simulation including this physical ingredient along with viscous lubrication.
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Microstructure of strongly sheared suspensions and its impact on rheology and diffusion
John F. Brady,Jeffrey F. Morris +1 more
TL;DR: In this article, the effects of Brownian motion alone and in combination with an interparticle force of hard-sphere type upon the particle configuration in a strongly sheared suspension are analyzed.