Academic literature on the topic 'Quincke electrorotation'

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Journal articles on the topic "Quincke electrorotation"

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YU, K. W., G. Q. GU, J. P. HUANG, and J. J. XIAO. "DYNAMIC ELECTRORHEOLOGICAL EFFECTS OF ROTATING PARTICLES: A BRIEF REVIEW." International Journal of Modern Physics B 19, no. 07n09 (2005): 1163–69. http://dx.doi.org/10.1142/s0217979205030013.

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Particle rotation leads to a steady-state which is different from the equilibrium state in the absence of rotational motion. The change of the polarization of the particle due to the rotational motion is called the dynamic electrorheological effect (DER). There are three cases to be considered: rotating particles in a dc field, particle rotation due to a rotating field and spontaneous rotation of particle in dc field (Quincke rotation). In the DER of rotating particles, the particle rotational motion generally reduces the interparticle force between the particles. The effect becomes pronounced
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Dong, Qingming, and Amalendu Sau. "Unsteady electrorotation of a viscous drop in a uniform electric field." Physics of Fluids 35, no. 4 (2023): 047116. http://dx.doi.org/10.1063/5.0140845.

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A dielectric drop suspended in an immiscible dielectric fluid of higher conductivity can spontaneously generate the so-called Quincke rotation (a rotating activity that a weakly conducting drop/solid particle displays in an electric field) subjected to sufficiently strong electric field strength. The steady tilt has been extensively studied and is well elucidated now. However, the unsteady electrorotation of drop remains a largely unclear, complex issue. Motivated by this, we examine the unsteady drop electrorotation in this work with the required integrated convective bulk charge transport ef
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Das, Debasish, and David Saintillan. "Electrohydrodynamics of viscous drops in strong electric fields: numerical simulations." Journal of Fluid Mechanics 829 (September 14, 2017): 127–52. http://dx.doi.org/10.1017/jfm.2017.560.

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Weakly conducting dielectric liquid drops suspended in another dielectric liquid and subject to an applied uniform electric field exhibit a wide range of dynamical behaviours contingent on field strength and material properties. These phenomena are best described by the Melcher–Taylor leaky dielectric model, which hypothesizes charge accumulation on the drop–fluid interface and prescribes a balance between charge relaxation, the jump in ohmic currents from the bulk and charge convection by the interfacial fluid flow. Most previous numerical simulations based on this model have either neglected
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Dong, Qingming, Zonglu Xie, Xiang Zhou, Jingang Lu, and Zhentao Wang. "Collective propulsion of viscous drop pairs based on Quincke rotation in a uniform electric field." Physics of Fluids 36, no. 1 (2024). http://dx.doi.org/10.1063/5.0178746.

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Droplet collective propulsion is a crucial technology for microscale engineering applications. Despite great progress, current approaches to droplet manipulation still face many challenges. Here, a novel strategy for the collective propulsion of droplet pairs is proposed, which is based on two fundamental dynamics phenomena: i) the Quincke rotation; ii) the dynamics of vortex pairs. In this work, a two-dimensional (2D) numerical computation is performed to study the effect of viscosity ratio (λ = μi/μo ≤ 60, “i” and “o” indicate the drop and bulk phase) and electric field strength (E0*≤ 6.78)
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Dissertations / Theses on the topic "Quincke electrorotation"

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Lefranc, Thibault. "Quorum sensing dans des assemblées de particules actives synthétiques : Séparation de phase induite par la motilité." Electronic Thesis or Diss., Lyon, École normale supérieure, 2023. https://theses.hal.science/tel-04510010.

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On définit la matière active comme une assemblée de particules capables de transformer à leur échelle l'énergie en mouvement. Les exemples de matière active sont nombreux dans la nature, allant de la colonie de bactérie au troupeau de zèbres en passant par les bancs de poissons et les foules humaines. Malgré ce mouvement perpétuel des individus, il est possible dans certains cas d'observer une séparation de phase, c'est-à-dire la formation de zones définies de densités différentes. Ceci peut s'expliquer par la détection de quorum : les particules tiennent compte de leurs voisines pour ajuster
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