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Open Access Review Article

On the Role of Saffman Force in Inertial Microfluidics

Ali Farajpour1, Mergen H Ghayesh1* and Hamed Farokhi2

1School of Mechanical Engineering, University of Adelaide, Australia

2Department of Mechanical and Construction Engineering, North Umbria University, UK

Corresponding Author

Received Date: June 17, 2019;  Published Date: June 28, 2019


In this brief review article, the effects of Saffman force in inertial microfluidics-based systems are discussed and investigated. A short discussion regarding the applications of microfluidics, especially inertial microfluidics, is given. Then, the importance of the present investigation is illustrated. The Saffman force is mathematically formulated based on matched asymptotic expansion approach. Moreover, the physical concept of this lift force is discussed in this analysis. Finally, the influences of various physical and material parameters on the Saffman force are investigated.

Keywords:Inertial microfluidics; Ultra-small particles; Saffman force; Inertial migration

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