نتایج جستجو برای: micropump

تعداد نتایج: 372  

Journal: :IOP Conference Series: Materials Science and Engineering 2018

Journal: :Chemical Engineering & Technology 2023

The pumping mechanism in multi-inlet microfluidic channels usually requires multiple micropumps to be separately attached each inlet. Unfortunately, this may create fluid leakage resulting from a considerably high internal pressure. To address this, passive sub-atmospheric pressure-inducing micropump is proposed and its performance characterized as function of the flow rate gauge With pump, suf...

Journal: :Journal of Micromechanics and Microengineering 2001

Journal: :TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series C 2004

Journal: :Electrophoresis 2006
Ping Wang Zilin Chen Hsueh-Chia Chang

The work presents the design of an integrated system consisting of a high-pressure electroosmotic (EO) micropump and a microporous monolithic emitter, which together generate a stable and robust electrospray. Both the micropump and electrospray emitter are fabricated using a sol-gel process. Upon application of an electric potential of sufficient amplitude (>2 kV), the pump delivers fluids with...

2008
Jongil Ju Joong Yull Park Kyung Chun Kim Hyundong Kim Erwin Berthier David J Beebe Sang-Hoon Lee

A surface tension driven micropump harnessing the pressure difference generated by drops of different curvature radii proves to be a simple and attractive passive method to drive fluid flow in microdevices. Here we observed the appearance of backward flow when the initial sizes of the droplets at the inlet and outlet ports are similar. To explain this phenomenon several hypotheses have been inv...

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