本文采用有限容积法数值模拟了在电动效应作用下微通道内流体的流动特性.分别采用Poisson方程和Nernst Planck方程计算电动势和离子浓度分布.结果表明在双电层相互交叠的情况下,微通道内轴向的流动电势先减小后增大,并逐渐趋于定值,从而导致了轴向电动效应不断增强.
参考文献
[1] | Hasegawa T;Suganuma M;Watanabe H .Anomaly of Excess Pressure Drops of the Flow Through Very Small Orifices[J].Physics of Fluids,1997,9(01):1-3. |
[2] | Peng X F;Peterson G P;Wang B X .Frictional Flow Characteristics of Water Flowing Through Rectangular Microchannels[J].EXPERIMENTAL HEAT TRANSFER,1994,7(04):249-264. |
[3] | David Pfund;David Rector;Alireza Shekarriz;Aristotel Popescu;James Welty .Pressure Drop Measurements in a Microchannel[J].AIChE Journal,2000(8):1496-1507. |
[4] | Urbanek W;Zemel J N;Bau H H .Investigation of the Temperature Dependence of Poiseuille Numbers in Microchannel Flow[J].Journal of Micromechanics and Microengineering,1993,3(04):206-208. |
[5] | Yang C.;Li DQ. .Analysis of electrokinetic effects on the liquid flow in rectangular microchannels[J].Colloids and Surfaces. A, Physicochemical and Engineering Aspects,1998(2/3):339-353. |
[6] | Yang C.;Li DQ. .ELECTROKINETIC EFFECTS ON PRESSURE-DRIVEN LIQUID FLOWS IN RECTANGULAR MICROCHANNELS[J].Journal of Colloid and Interface Science,1997(1):95-107. |
[7] | Yang C.;Masliyah JH.;Li DQ. .Modeling forced liquid convection in rectangular microchannels with electrokinetic effects[J].International Journal of Heat and Mass Transfer,1998(24):4229-4249. |
[8] | Mala G M;Li D Q;Dale J D .Heat Transfer and Fluid Flow in Microchannels[J].International Journal of Heat and Mass Transfer,1997,40(03):3079-3088. |
[9] | Ren L;Qu W;Li D .Interface Electrokinetic Effects on Liquid Flow in Microchannels[J].International Journal of Heat and Mass Transfer,2001,44(16):3125-3134. |
[10] | Liqing Ren;Dongqing Li;Weilin Qu .Electro-Viscous Effects on Liquid Flow in Microchannels[J].Journal of Colloid and Interface Science,2001(1):12-22. |
[11] | Paluch M. .Electrical properties of free surface of water and aqueous solutions [Review][J].Advances in Colloid and Interface Science,2000(1/3):27-45. |
[12] | Hunter R J.Zeta Potential in Colloid Science:Principles ad Applications[M].New York:Academic Press,1981 |
[13] | Mala G M;Li D;Werner G et al.Flow Characteristics of Water Through a Microchannel Between Two Parallel Plates With Electrokinetic Effects[J].International Journal of Heat and Fluid Flow,1997,18(05):489-496. |
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