On the theory of rheological properties of magnetic suspensions / Zubarev A. Yu,Iskakova L. Yu // PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS. - 2007. - V. 382, l. 2. - P. 378-388.

ISSN/EISSN:

0378-4371 / нет данных

Type:

Article

Abstract:

The paper deals with a theoretical study of influence of magnetic field on effective viscosity of suspension of non-Brownian magnetizable particles. It is supposed that experimentally observed magnetorheological effects are provided by chain-like aggregates, consisting of the particles. Unlike previous works on this subject, we take into account that the chains cannot be identical and estimate their size distribution. The following power law (eta - eta(0))/eta(0)similar to Mn-4, detected in many experiments, is obtained theoretically (eta and eta(0) are the suspension effective viscosity and the carrier liquid viscosity, respectively, Mn is the so-called Mason number, proportional to the shear rate and inversely proportional to the square of magnetic field). The calculated magnitude of the exponent Delta increases with the applied magnetic field from approximately 0.66 to 0.8-0.9 and slowly increases with the volume concentration phi of the particles. These results are in agreement with known experiments. (C) 2007 Elsevier B.V. All rights reserved.

Author keywords:

magnetic suspensions; internal structures; rheology ELECTRORHEOLOGICAL FLUIDS; INVERSE FERROFLUID; PARTICLES

DOI:

10.1016/j.physa.2007.04.061

Web of Science ID:

ISI:000248198800002

Соавторы в МНС:

Другие поля

Поле	Значение
Month	AUG 15
Publisher	ELSEVIER SCIENCE BV
Address	PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
Language	English
Keywords-Plus	ELECTRORHEOLOGICAL FLUIDS; INVERSE FERROFLUID; PARTICLES
Research-Areas	Physics
Web-of-Science-Categories	Physics, Multidisciplinary
Author-Email	andrey.zubarev@usu.ru
ResearcherID-Numbers	Zubarev, Adrey/B-4752-2014
Number-of-Cited-References	20
Usage-Count-Last-180-days	3
Usage-Count-Since-2013	8
Journal-ISO	Physica A
Doc-Delivery-Number	192JW