Publication

Flow recirculation when pumping liquids with AC electric fields: experiments and simulations

Nico de Rooij, Alexandra Anne Labiba Kämpfer-Homsy
2010
Posters

Abstract

Many popular micropumps implement moving parts that presents serious drawbacks. This is one of the reasons for the growing interest in valveless micropumps. Pumps exploiting AC electric fields are investigated here. Theoretical results are recalled and the behaviour of fabricated glass and PDMS prototypes is presented and compared to simulations. Recirculation of liquid in the pumping channel is explained by geometrical reasons.

Official source

https://infoscience.epfl.ch/entities/publication/37b1adc1-4e01-4f2a-9b2c-4753adf60b7b

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Nico de Rooij, Alexandra Anne Labiba Kämpfer-Homsy
2010
Posters

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/37b1adc1-4e01-4f2a-9b2c-4753adf60b7b

About this result

Related concepts (24)

AC motor

An AC motor is an electric motor driven by an alternating current (AC). The AC motor commonly consists of two basic parts, an outside stator having coils supplied with alternating current to produce a rotating magnetic field, and an inside rotor attached to the output shaft producing a second rotating magnetic field. The rotor magnetic field may be produced by permanent magnets, reluctance saliency, or DC or AC electrical windings.

Electric motor

An electric motor is an electrical machine that converts electrical energy into mechanical energy. Most electric motors operate through the interaction between the motor's magnetic field and electric current in a wire winding to generate force in the form of torque applied on the motor's shaft. An electric generator is mechanically identical to an electric motor, but operates with a reversed flow of power, converting mechanical energy into electrical energy.

Electric generator

In electricity generation, a generator is a device that converts motion-based power (potential and kinetic energy) or fuel-based power (chemical energy) into electric power for use in an external circuit. Sources of mechanical energy include steam turbines, gas turbines, water turbines, internal combustion engines, wind turbines and even hand cranks. The first electromagnetic generator, the Faraday disk, was invented in 1831 by British scientist Michael Faraday. Generators provide nearly all the power for electrical grids.

Related publications (6)

Flow recirculation when pumping liquids with AC electric fields: experiments and simulations

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