52 research outputs found
Magnetization of ferrofluids with dipolar interactions - a Born--Mayer expansion
For ferrofluids that are described by a system of hard spheres interacting
via dipolar forces we evaluate the magnetization as a function of the internal
magnetic field with a Born--Mayer technique and an expansion in the dipolar
coupling strength. Two different approximations are presented for the
magnetization considering different contributions to a series expansion in
terms of the volume fraction of the particles and the dipolar coupling
strength.Comment: 19 pages, 11 figures submitted to PR
Selection of stable growth conditions for the parabolic dendrite tip in crystallization of multicomponent melts
Modeling of Vertical Fine Suspension Flow I. Model Foundations and Particle Velocity Fluctuations
Statistical hydromechanics of disperse systems. Part 3. Pseudo-turbulent structure of homogeneous suspensions
Domain structures in thin layers of a ferrocolloid
We consider the problem of formation of structures composed of identical domains in a ferrocolloid that fills a space between two closely situated parallel planes under action of a normal external magnetic field. Those structures begin to arise under conditions favouring the phase separation of the ferrocolloid. An inhomogeneous system including two equivalent colloidal phases would ultimately evolve due to Ostwald ripening, but for a scaling effect of the planes that stops the evolution at a certain level and makes for the resulting domain structure being stable. A method to find out main characteristics of the domains, such as their size and concentration, is developed for both chaotic and regular (ordered) structures
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