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Babak Vajdi Hokmabad
Researcher at University of Göttingen
Publications - 17
Citations - 233
Babak Vajdi Hokmabad is an academic researcher from University of Göttingen. The author has contributed to research in topics: Electric field & Liquid dielectric. The author has an hindex of 7, co-authored 16 publications receiving 152 citations. Previous affiliations of Babak Vajdi Hokmabad include University of Alberta & University of Tabriz.
Papers
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Journal ArticleDOI
Emergence of Bimodal Motility in Active Droplets
Babak Vajdi Hokmabad,Ranabir Dey,Ranabir Dey,Maziyar Jalaal,Maziyar Jalaal,Maziyar Jalaal,Devaditya Mohanty,Madina Almukambetova,Kyle A. Baldwin,Kyle A. Baldwin,Detlef Lohse,Corinna C. Maass,Corinna C. Maass +12 more
TL;DR: In this article, the authors report bimodal motility in autophoretic droplet swimmers, driven by characteristic interfacial flow patterns for each propulsive mode, and demonstrate a dynamical transition from quasiballistic to bimanual chaotic propulsion by controlling the viscosity of the environment.
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Topological Stabilization and Dynamics of Self-Propelling Nematic Shells.
Babak Vajdi Hokmabad,Babak Vajdi Hokmabad,Kyle A. Baldwin,Kyle A. Baldwin,Carsten Krüger,Christian Bahr,Corinna C. Maass +6 more
TL;DR: It is demonstrated, through experiments and simulations, that anisotropic elasticity can counterbalance the destabilizing effect of viscous drag induced by shell motility and inhibit rupturing.
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Effect of Flow and Particle-Plastron Collision on the Longevity of Superhydrophobicity.
Babak Vajdi Hokmabad,Sina Ghaemi +1 more
TL;DR: This work developed an in situ non-invasive optical technique based on total internal reflection at the air-water interface that demonstrates that the flow-induced particle-plastron collision shortens the lifetime of the plastron by ~50%.
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An experimental investigation on hydrodynamics of charged water droplets in dielectric liquid medium in the presence of electric field
Babak Vajdi Hokmabad,Behnam Sadri,Mehdi Rezayati Charan,Esmaeil Esmaeilzadeh,Esmaeil Esmaeilzadeh +4 more
TL;DR: In this paper, an experimental study was carried out to investigate the motion, deformation and breakup of charged water droplets in the presence of D.C. electric field, and three parameters were defined in order to characterize the detachment of drop from nozzle and its deformation result from electric and hydrodynamic forces.
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Chemotactic droplet swimmers in complex geometries.
TL;DR: A well-controlled, tunable artificial model is presented to study chemotaxis and autochemotaxis in complex geometries, using microfluidic assays of self-propelling oil droplets in an aqueous surfactant solution and an analytical Langevin model matching the experimental data is presented.