A high flow rate DC magnetohydrodynamic (MHD) micropump

被引：0

作者：

Homsy, A ^{[1
]}

Koster, S ^{[1
]}

Eijkel, JCT ^{[1
]}

van den Berg, A ^{[1
]}

Verpoorte, E ^{[1
]}

de Rooij, NF ^{[1
]}

机构：

[1] Univ Neuchatel, Inst Microtechnol, CH-2000 Neuchatel, Switzerland

来源：

MICRO TOTAL ANALYSIS SYSTEMS 2004, VOL 1 | 2005年 / 296期

关键词：

DC MHD; micropump; magnetohydrodynamics;

D O I：

暂无

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

We present a device that allows high-speed DC magnetohydrodynamic (MHD) pumping in 75-mu m-deep closed glass microchannels. High DC current densities (J) can be applied across the main channel without introducing bubbles. Linear velocities of up to 1.25 mm/sec (0.7 mu L/min) were observed in buffered solutions using a 0.4 T NdFeB permanent magnet, at a current density of 4000 A/m(2). The current density and corresponding flow speed are 50 and 30 times higher respectively, with a channel height 4 times smaller than reported by others in closed channels [1].

引用

页码：372 / 374

页数：3

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