Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Search research articles

Related Experiment Videos

Comment on "Magnetoviscosity and relaxation in ferrofluids".

¹Department of Mechanical Engineering, Ben-Gurion University of the Negev, P.O.B. 653, Beer-Sheva 84105, Israel.

Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics

|December 12, 2001

Summary

This study revises the hydrodynamic equations for ferrofluids, including the magnetization equation. Felderhof

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Traveling-wave convection in colloids stratified by gravity.

Physical review. E, Statistical, nonlinear, and soft matter physics·2011

Same author

Comment on "Ferrofluids as thermal ratchets".

Physical review letters·2004

Same author

Ferrohydrodynamics: testing a third magnetization equation.

Physical review. E, Statistical, nonlinear, and soft matter physics·2001

Same author

Comment on "Novel convective instabilities in a magnetic fluid".

Physical review letters·2001

Same author

[Use of magnetic fluids in clinical medicine].

Klinicheskaia khirurgiia·1988

Area of Science:

Fluid dynamics
Magnetohydrodynamics
Statistical physics

Background:

Conventional hydrodynamic equations for ferrofluids are crucial for understanding their behavior.
Existing models, including recent revisions, may have limitations in accurately predicting ferrofluid properties.

Purpose of the Study:

To analyze the derivation of the conventional hydrodynamic equations for ferrofluids.
To critically evaluate Felderhof's revised magnetization equation for ferrofluids.
To identify discrepancies and their consequences on ferrofluid properties.

Main Methods:

Derivation analysis of hydrodynamic equations.
Comparison of conventional magnetization equations with Felderhof's revised model.
Theoretical analysis of magnetic field dependence on ferrofluid viscosity and magnetization relaxation time.

Main Results:

The conventional system includes fluid motion, Maxwell, and magnetization equations.
Felderhof's revised magnetization equation shares similarities but yields incorrect predictions.
Discrepancies arise in the magnetic field dependence of ferrofluid viscosity and relaxation time.

Conclusions:

The conventional hydrodynamic equations for ferrofluids are presented and discussed.
Felderhof's revised magnetization equation leads to erroneous outcomes for key ferrofluid characteristics.
Accurate modeling of magnetization dynamics is essential for predicting ferrofluid behavior.

Related Experiment Videos