https://scholars.lib.ntu.edu.tw/handle/123456789/583059
標題: | Continuum modeling of micro-particle electrorotation in Couette and Poiseuille flows-The zero spin viscosity limit | 作者: | HSIN-FU HUANG Zahn, Markus Lemaire, Elisabeth |
關鍵字: | Continuum anti-symmetric/couple stress tensor | Electrohydrodynamics | Electrorotation | Negative electrorheological effect | Quincke rotation;Continuum anti-symmetric/couple stress tensor; Electrohydrodynamics; Electrorotation; Negative electrorheological effect; Quincke rotation | 公開日期: | 1-八月-2010 | 卷: | 68 | 期: | 4 | 來源出版物: | Journal of Electrostatics | 摘要: | A continuum mechanical model is presented to analyze the negative electrorheological responses of a particle-liquid mixture with the suspended micro-particles undergoing Quincke rotation for both Couette and Poiseuille flow geometries by combining particle electromechanics and continuum anti-symmetric/couple stress analyses in the zero spin viscosity limit. We propose a phenomenological polarization relaxation model to incorporate both the micro-particle rotation speed and macro-continuum spin velocity effects on the fluid polarization during non-equilibrium motion. Theoretical predictions of the Couette effective viscosity and Poiseuille flow rate obtained from the present continuum treatment are in good agreement with the experimental measurements reported in current literature. © 2010 Elsevier B.V. |
URI: | https://scholars.lib.ntu.edu.tw/handle/123456789/583059 https://www.scopus.com/inward/record.uri?eid=2-s2.0-77955088912&doi=10.1016%2fj.elstat.2010.05.001&partnerID=40&md5=c0536bdb9df64cffd9f5f55cd612fc94 |
ISSN: | 03043886 | DOI: | 10.1016/j.elstat.2010.05.001 | SDG/關鍵字: | Continuum anti-symmetric/couple stress tensor; Electrorheological effect; Electrorotation; Negative electrorheological effect; Stress tensors; Continuum mechanics; Electrohydrodynamics; High energy physics; Nanofluidics; Phase equilibria; Polarization; Rheology; Rotation; Spin dynamics; Tensors; Viscosity; Stresses |
顯示於: | 機械工程學系 |
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