1999•University of North Texas Digital Library (University of North Texas)Open access

An AC magnetohydrodynamic micropump: towards a true integrated microfluidic system

A P Lee, Asuncion V. Lemoff, Charles F. McConaghy, Robin Miles

Abstract

An AC Magnetohydrodynamic (MHD) micropump has been demonstrated in which the Lorentz force is used to propel an electrolytic solution along a microchannel etched in silicon. This micropump has no moving parts, produces a continuous (not pulsatile) flow, and is compatible with solutions containing biological specimens. micropump, using the Lorentz force as the pumping mechanism for biological analysis. The AC Magnetohydrodynamic (MHD) micropump investigated produces a continuous flow and allows for complex microchannel design.

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Available abstract

Key concepts: Micropump, Magnetohydrodynamic drive, Microchannel, Lorentz force, Magnetohydrodynamics, Mechanics, Microfluidics, Pulsatile flow