管流中颗粒“惯性聚集”现象的研究进展及其在微流动中的应用

王企鲲; 孙仁

doi:10.6052/1000-0992-12-052

管流中颗粒“惯性聚集”现象的研究进展及其在微流动中的应用

doi: 10.6052/1000-0992-12-052

王企鲲^1, ,,
孙仁²

1 上海理工大学能源与动力工程学院, 上海 200093
2 上海交通大学工程力学系, 上海 200240

基金项目: 国家自然科学基金项目(10872130), 高等学校博士学科点专项科研基金(20113120120003)资助

详细信息

作者简介:
王企鲲, 男, 工学博士, 副教授, 中国机械工程学会高级会员, 上海力学学会会员. 主要研究领域为: 叶轮机械流体动力学、低Re数黏性流体力学、生物流体力学等.

通讯作者:
王企鲲

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出版历程
- 收稿日期: 2012-04-05
- 修回日期: 2012-09-12
- 刊出日期: 2012-11-25

ADVANCES IN THE RESEARCH ON “INERTIAL FOCUS OF PARTICLES” AND ITS APPLICATION IN MICROFLUIDICS

WANG Qikun^{1
, ,},
SUN Ren²

1 School of Energy and Power Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China
2 Department of Engineering Mechanics, Shanghai Jiao Tong University, Shanghai 200240, China

Funds: The project was supported by the National Natural Science Foundation of China (10872130) and the Special Foundation of Specialties Leading to Doctor Degree for Chinese Institution of Higher Education (20113120120003).

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Corresponding author: WANG Qikun

摘要

摘要: 当随机散布细颗粒的流体以低Re数层流流入直管时, 经过一段距离的流动后, 这些颗粒会被稳定地聚集在一个离管道中心固定距离的同心圆环位置上运动. 这种运动特征被称为颗粒“惯性聚集”现象. 该现象表明: 在相应的Re数管流中, 颗粒除受到流体沿主流方向的驱动力同时, 还受到垂直于主流的横向力的作用. 这种横向力是使颗粒产生聚集运动现象的主要原因, 被认为是由于流场的惯性力对颗粒的作用.
- 颗粒惯性聚集, 低Re数层流, 管道内流, 固-液两相流, 微流体控制
Abstract: When a flow with randomly dispersed small particles enters a straight pipe at low Reynolds numbers, the particles may migrate to an annulus centered at the axis of the pipe after a migration distance. This migration is called as ‘Inertial Focus of Particles’, which indicates that in the creeping flow there are transverse forces exerted on the immersed particles apart from viscous drags. It is the transverse force that results in the phenomenon, and it is usually regarded as an effect of the inertial force of the flow field on the particles. Recently, the phenomenon is attracting the attention of more and more researchers. Further research on it will not only reveal the interesting dynamic behaviors of both particles and colloids in a micro-channel and organisms in a blood vessel, but also assist us in the exploitation of such separation technology with high efficiency and low energy consumption. This paper summarizes recent advances in this area and presents some suggestions for future research.
- inertial focus of particles, laminar flow with low reynolds number, internal flow in Channels, solid-liquid flow, microfluidic control

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参考文献(41)

1 Segre G, Silberberg A. Radial particle displacements in Poiseuille flow of suspension. Nature, 1961, 189: 209-210

2 Carlo D D. Inertial microfluidics. Lab Chip, 2009, 9: 3038-3046

3 Carlo D D, Edd J F, Humphry K J, et al. Particle segregation and dynamics in confined flow. Phys. Rev. Lett.,2009, 102: 094503-4

4 严宗毅. 低雷诺数流理论. 北京: 北京大学出版社, 2002. 40-48

5 Chwang A T, Wu Y T. Hydrodynamics of low-Reynoldsnumber flow, part2, singularity method for stokes flows. J Fluid Mech., 1975, 67: 787-815

6 刘大有. 两相流体动力学. 北京: 高等教育出版社, 1993. 25-33

7 车得福, 李会雄. 多相流及其应用. 西安: 西安交通大学出版社, 2007. 80-83

8 李战华, 吴健康, 胡国庆, 等. 微流控芯片中的流体流动. 北京: 科学出版社, 2012. 190-192

9 Lumma D, Best A, Gansen A, et al. Flow profile near a wall measured by double-focus fluorescence crosscorrelation. Phys. Rev. E, 2003, 67: 056313

10 Joseph P, Tabeling P. Direct measurement of the apparent slip length. Phys. Rev. E, 2005, 71: 035303

11 Lauga E. Apparent slip due to the motion of suspended particles in flows of electrolyte solutions. Langmuir, 2004,20: 8924-8930

12 Saffman P G. The lift on a small sphere in a slow shear flow. J. Fluid Mech., 1965, 22: 385-400

13 Ho B P, Leal L G. Inertial migration of rigid spheres in two-dimensional unidirectional flows. J. Fluid Mech.,1974, 65: 365-400

14 Schonberg J A, Hinch E J. Inertial migration of a sphere in Poiseuille flow. J. Mech. Fluid Mech., 1989, 203: 517-524

15 Asmolov E S. The inertial lift on a spherical particle in a plane Poiseuille flow at large channel Reynolds number. J. Fluid Mech., 1999, 381: 63-87

16 Osiptsov A, Asmolov E S. Asymptotic model of the inertial migration of particles in a dilute suspension flow through the entry region of a channel. Phys. Fluids, 2008,20: 123301

17 Chan P C H, Leal L G. The motion of a deformable drop in a second-order fluid. J. Fluid Mech., 1979, 92: 131-170

18 Haper S, Hetsroni G. The dynamics of a deformable drop suspended in as unbounded stokes flow. J. Fluid Mech.,1971, 84: 241-257

19 Zhao Y, Sharp M K. Finite element analysis of the lift on a slightly deformable and freely rotating and translating cylinder in two-dimensional channel flow. J. Biomech. Eng., 1999, 121: 148-152

20 Matas J, Morris J F, Guazzelli E. Inertial migration of rigid spherical particles in Poiseuille flow. J. Fluid Mech.,2004, 515: 171-195

21 Cho B R, Kim Y W. Lateral migration of neutrallybuoyant particles in a square microchannel at low Reynolds number. In: Proceedings of the ASME 2009 Fluids Engineering Division Summer Meeting, Vail, Colorado USA, 2009

22 Chun B, Ladd A J C. Inertial migration of neutrally buoyant particles in a square duct: an investigation of multiple equilibrium positions. Phys. Fluids., 2006, 18: 031704

23 Bhagat A A S, Kuntaegowdanahalli S S, Papautsky I. Inertial microfluidics for continuous particle filtration and extraction. Micro uid Nano uid., 2009, 7: 217-226

24 Hur S C, Choi S E, Kwon S, et al. Inertial focusing of non-sperical microparticles. Phys. Rev. Lett., 2011, 99:044101-3

25 Cho S H, Choi H G, Yoo J Y. Direct numerical simulation of fluid flow laden with many particles. J. Multi. Flow,2005, 31: 435-451

26 Bhagat A A S, Kuntaegowdanahalli S S, Papautsky I. Enhanced particle filtration in straight microchannels using shear modulated inertial migration. Phys. Fluids, 2008,20: 101702-4

27 Edd J F, Carlo D D, Humphry K J, et al. Controlled encapsulation of single-cells into monodisperse picolitre drops. Lab Chip, 2008, 8: 1262-1264

28 Park J, Song S, Jung H. Continuous focusing of microparticles using inertial lift force and vorticity via multi-orifice microfluidic channels. Lab. Chip, 2009, 9: 939-948

29 Wu Z, Willing B, Bjerketorp J, et al. Soft inertial microfluidics for high throughput separation of bacteria from human blood cells. Lab Chip, 2009, 9: 1193-1199

30 Berger S A, Talbot L, Yao L S. Flow in curved pipes. Annu. Rev. Fluid Mech., 1983, 15: 461-512

31 Squires T M, Quake S R. Microfluidics: fluid physics at the nanoliter scale. Rev. Mod. Phys., 2005, 77: 977

32 Gossett D R, Carlo D D. Particle focusing mechanisms in curving confined flows. Anal. Chem., 2009, 81: 8459-8465

33 Seo J, Lean M H, Kole A. Membrane-free microfiltration by asymmetric inertial migration. Appl. Phys. Lett.,2007, 91: 033901-3

34 Bhagat A A S, Kuntaegowdanahalli S S, Papautsky I. Continuous particle separation in spiral microchannels using dean flows and differential migration. Lab Chip, 2008,8: 1906-1914

35 Seo J, Lean M H, Kole A. Membraneless microseparation by asymmetry in curvilinear laminar flows. J. Chro- matogr., A, 2007, 1162: 126-131

36 Oozeki N, Ookawara S, Ogawa K, et al. Characterization of microseparator/classifier with a simple arc microchannel. AIChE J., 2009, 55: 24-34

37 Carlo D D, Irimia D, Tompkins R G, et al. Continuous inertial focusing, ordering, and separation of particles in microchannels. Proc. Natl. Acad. Sci. U. S. A., 2007,104: 18892-18897

38 Carlo D D, Edd J F, Irimia D, et al. Equilibrium separation and filtration of particles using differential inertial focusing. Anal. Chem., 2008, 80: 2204-2211

39 Kuntaegowdanahalli S S, Bhagat A A S, Papautsky I. Inertial microfluidics for continuous particle separation in spiral microchannels. Lab Chip, 2009, 9: 2973-2980

40 黄炜东, 张何, 徐涛, 等. 基于惯性微流原理的微流控芯片用于血浆分离. 科学通报, 2011, 56(21): 1711-1719

41 项楠, 朱晓璐, 倪中华. 惯性效应在微流控芯片中的应用. 化学进展, 2011, 23(9): 1945-1958

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管流中颗粒“惯性聚集”现象的研究进展及其在微流动中的应用

doi: 10.6052/1000-0992-12-052

作者简介:
王企鲲, 男, 工学博士, 副教授, 中国机械工程学会高级会员, 上海力学学会会员. 主要研究领域为: 叶轮机械流体动力学、低Re数黏性流体力学、生物流体力学等.

通讯作者:
王企鲲

计量

ADVANCES IN THE RESEARCH ON “INERTIAL FOCUS OF PARTICLES” AND ITS APPLICATION IN MICROFLUIDICS

Corresponding author: WANG Qikun

计量

目录

留言板

管流中颗粒“惯性聚集”现象的研究进展及其在微流动中的应用

doi: 10.6052/1000-0992-12-052

作者简介: 王企鲲, 男, 工学博士, 副教授, 中国机械工程学会高级会员, 上海力学学会会员. 主要研究领域 为: 叶轮机械流体动力学、低Re数黏性流体力学、生物流体力学等.

通讯作者: 王企鲲

计量

出版历程

ADVANCES IN THE RESEARCH ON “INERTIAL FOCUS OF PARTICLES” AND ITS APPLICATION IN MICROFLUIDICS

Corresponding author: WANG Qikun

计量

出版历程

目录

作者简介:
王企鲲, 男, 工学博士, 副教授, 中国机械工程学会高级会员, 上海力学学会会员. 主要研究领域为: 叶轮机械流体动力学、低Re数黏性流体力学、生物流体力学等.

通讯作者:
王企鲲