1st Edition

Non-Equilibrium Ferrohydrodynamics

By Wenming Yang Copyright 2025
    408 Pages 80 Color & 34 B/W Illustrations
    by CRC Press

    Ferrofluids, a synthetic intelligent liquid material, exhibit fascinating flow phenomena when subjected to magnetic fields. This book systematically examines the fundamentals, applications, mathematical derivations and properties of non-equilibrium ferrohydrodynamics and explores the magnetisation and viscosity properties of ferrofluids.

    The book begins with an introduction to the basic concepts and applications of nonequilibrium ferrohydrodynamics and transport theory. It then goes on to discuss the equations of nonequilibrium and quasi-equilibrium ferrohydrodynamics and the magnetic levitation force in ferrofluids. The author discusses two crucial properties of ferrofluids: magnetisation properties and viscosity properties, presenting the ferrofluid magnetisation equations and the magnetoviscous effect, an important physical manifestation of non-equilibrium theory. Different types of flows of ferrofluids under the application of different magnetic field configurations are also elucidated, illustrating specific manifestations of non-equilibrium ferrohydrodynamics in different flow patterns.

    This book will be a valuable reference for researchers and students of mechanical engineering with an interest in fluid dynamics, computational mechanics and electromagnetism. Professionals working in areas of ferrofluid applications such as mechanics, petrochemical engineering, environmental sciences and biomedicine will also benefit.

    1. Introduction  2. Basic equations of non-equilibrium ferrohydrodynamics  3. Introduction to quasi-equilibrium ferrohydrodynamics  4. Magnetic properties of ferrofluids  5. Viscosity and magnetoviscous effects of ferrofluids  6. Ferrofluid planar Couette-Poisseuille flows  7. Ferrofluid flow in pipes  8. Laminar circular flow of ferrofluid  9. Spin-up flow of ferrofluids


    Weming Yang is currently Associate Professor at the School of Mechanical Engineering, University of Science and Technology Beijing, China. His research interests include ferrohydrodynamics and computational multi-physics, especially the basic mechanical problems of ferrofluids in applications such as seals, vibration damping and sensors.