Search Results - "Chan, Derek Y."

Measuring Forces and Spatiotemporal Evolution of Thin Water Films between an Air Bubble and Solid Surfaces of Different Hydrophobicity by Shi, Chen, Cui, Xin, Xie, Lei, Liu, Qingxia, Chan, Derek Y. C, Israelachvili, Jacob N, Zeng, Hongbo

“…A combination of atomic force microscopy (AFM) and reflection interference contrast microscopy (RICM) was used to measure simultaneously the interaction force…”
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Stabilization of Leidenfrost vapour layer by textured superhydrophobic surfaces by Vakarelski, Ivan U., Patankar, Neelesh A., Marston, Jeremy O., Chan, Derek Y. C., Thoroddsen, Sigurdur T.

“…Textured superhydrophobic surfaces—well known for their water-repelling properties—can be used to control the boiling state of a liquid in contact with a hot…”
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Stability of Interfacial Nanobubbles by Zhang, Xuehua, Chan, Derek Y. C, Wang, Dayang, Maeda, Nobuo

“…Interfacial nanobubbles (INBs) on a solid surface in contact with water have drawn widespread research interest. Although several theoretical models have been…”
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The hydrophobic force: measurements and methods by Tabor, Rico F, Grieser, Franz, Dagastine, Raymond R, Chan, Derek Y C

“…The hydrophobic force describes the attraction between water-hating molecules (and surfaces) that draws them together, causing aggregation, phase separation,…”
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Measurement and analysis of forces in bubble and droplet systems using AFM by Tabor, Rico F., Grieser, Franz, Dagastine, Raymond R., Chan, Derek Y.C.

“…[Display omitted] ► Atomic force microscopy measures forces between drops and bubbles. ► Modelling frameworks for quasi-equilibrium and dynamic forces are…”
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Universal behavior of the initial stage of drop impact by Klaseboer, Evert, Manica, Rogerio, Chan, Derek Y C

“…During the early stages of the impact of a drop on a solid surface, pressure builds up in the intervening thin lubricating air layer and deforms the drop. The…”
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Leidenfrost Vapor Layers Reduce Drag without the Crisis in High Viscosity Liquids by Vakarelski, Ivan U, Berry, Joseph D, Chan, Derek Y C, Thoroddsen, Sigurdur T

“…The drag coefficient C_{D} of a solid smooth sphere moving in a fluid is known to be only a function of the Reynolds number Re and diminishes rapidly at the…”
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Force Balance Model for Bubble Rise, Impact, and Bounce from Solid Surfaces by Manica, Rogerio, Klaseboer, Evert, Chan, Derek Y. C

“…A force balance model for the rise and impact of air bubbles in a liquid against rigid horizontal surfaces that takes into account effects of buoyancy and…”
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Measurement of the Hydrophobic Force in a Soft Matter System by Tabor, Rico F, Wu, Chu, Grieser, Franz, Dagastine, Raymond R, Chan, Derek Y. C

“…The hydrophobic attraction describes the well-known tendency for nonpolar molecules and surfaces to agglomerate in water, controlled by the reorganization of…”
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Coalescence Dynamics of Mobile and Immobile Fluid Interfaces by Vakarelski, Ivan U, Manica, Rogerio, Li, Er Qiang, Basheva, Elka S, Chan, Derek Y. C, Thoroddsen, Sigurdur T

“…Coalescence dynamics between deformable bubbles and droplets can be dramatically affected by the mobility of the interfaces with fully tangentially mobile…”
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Theory of non-equilibrium force measurements involving deformable drops and bubbles by Chan, Derek Y.C., Klaseboer, Evert, Manica, Rogerio

“…Over the past decade, direct force measurements using the Atomic Force Microscope (AFM) have been extended to study non-equilibrium interactions. Perhaps the…”
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Dynamic Air Layer on Textured Superhydrophobic Surfaces by Vakarelski, Ivan U, Chan, Derek Y. C, Marston, Jeremy O, Thoroddsen, Sigurdur T

“…We provide an experimental demonstration that a novel macroscopic, dynamic continuous air layer or plastron can be sustained indefinitely on textured…”
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Anomalous Sinking of Spheres due to Local Fluidization of Apparently Fixed Powder Beds by Oshitani, Jun, Sasaki, Toshiki, Tsuji, Takuya, Higashida, Kyohei, Chan, Derek Y C

“…The sinking of an intruder sphere into a powder bed in the apparently fixed bed regime exhibits complex behavior in the sinking rate and the final depth when…”
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Compound Pendant Drop Tensiometry for Interfacial Tension Measurement at Zero Bond Number by Neeson, Michael J, Chan, Derek Y. C, Tabor, Rico F

“…A widely used method to determine the interfacial tension between fluids is to quantify the pendant drop shape that is determined by gravity and interfacial…”
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Drag Moderation by the Melting of an Ice Surface in Contact with Water by Vakarelski, Ivan U, Chan, Derek Y C, Thoroddsen, Sigurdur T

“…We report measurements of the effects of a melting ice surface on the hydrodynamic drag of ice-shell-metal-core spheres free falling in water at a Reynolds of…”
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Bubble Coalescence during Acoustic Cavitation in Aqueous Electrolyte Solutions by Browne, Christine, Tabor, Rico F, Chan, Derek Y. C, Dagastine, Raymond R, Ashokkumar, Muthupandian, Grieser, Franz

“…Bubble coalescence behavior in aqueous electrolyte (MgSO4, NaCl, KCl, HCl, H2SO4) solutions exposed to an ultrasound field (213 kHz) has been examined. The…”
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Electric Double-Layer Interaction between Dissimilar Charge-Conserved Conducting Plates by Chan, Derek Y. C

“…Small metallic particles used in forming nanostructured to impart novel optical, catalytic, or tribo-rheological can be modeled as conducting particles with…”
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Dynamic Forces between Bubbles and Surfaces and Hydrodynamic Boundary Conditions by Manor, Ofer, Vakarelski, Ivan U, Stevens, Geoffrey W, Grieser, Franz, Dagastine, Raymond R, Chan, Derek Y. C

“…A bubble attached to the end of an atomic force microscope cantilever and driven toward or away from a flat mica surface across an aqueous film is used to…”
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Stabilization of Thin Liquid Films by Repulsive van der Waals Force by Li, Er Qiang, Vakarelski, Ivan U, Chan, Derek Y. C, Thoroddsen, Sigurdur T

“…Using high-speed video recording of bubble rise experiments, we study the stability of thin liquid films trapped between a rising bubble and a surfactant-free…”
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Combined ARFI and Shear Wave Imaging of Prostate Cancer: Optimizing Beam Sequences and Parameter Reconstruction Approaches by Chan, Derek Y., Morris, Daniel Cody, Polascik, Thomas J., Palmeri, Mark L., Nightingale, Kathryn R.

“…This study demonstrates the implementation of a shear wave reconstruction algorithm that enables concurrent acoustic radiation force impulse (ARFI) imaging and…”
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