Ferrofluids and magnetically guided superparamagnetic particles in flows: a review of simulations and modeling

Shahriar Afkhami, Yuriko Renardy

Research output: Contribution to journalArticlepeer-review

8 Scopus citations

Abstract

Ferrofluids are typically suspensions of magnetite nanoparticles, and behave as a homogeneous continuum. The ability of the ferrofluid to respond to an external magnetic field in a controllable manner has made it emerge as a smart material in a variety of applications, such as seals, lubricants, electronics cooling, shock absorbers and adaptive optics. Magnetic nanoparticle suspensions have also gained attraction recently in a range of biomedical applications, such as cell separation, hyperthermia, MRI, drug targeting and cancer diagnosis. In this review, we provide an introduction to mathematical modeling of three problems: motion of superparamagnetic nanoparticles in magnetic drug targeting, the motion of a ferrofluid drop consisting of chemically bound nanoparticles without a carrier fluid, and the breakage of a thin film of a ferrofluid.

Original languageEnglish (US)
Pages (from-to)231-251
Number of pages21
JournalJournal of Engineering Mathematics
Volume107
Issue number1
DOIs
StatePublished - Dec 1 2017

All Science Journal Classification (ASJC) codes

  • Mathematics(all)
  • Engineering(all)

Keywords

  • Ferrofluid
  • Superparamagnetic nanoparticles
  • Thin film approximation
  • Volume-of-Fluid method

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