Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 23 for “"Interfacial dynamics"”.
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Interfacial Dynamics and Applications in Optofluidics
… with ultra-low and experimentally attainable interfacial tension, we further confirm the prediction that it may only take a few photons to produce measurable WGM resonance shift through radiation pressure induced droplet deformation. Similar to the radiation pressure, the scattering force in …
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Molecular Dynamics Simulation Studies on Interfacial Dynamics of Proteins
… the interface between globules mediate protein dynamics, allostery and charge transfer. Confined clusters of water molecules exhibit dynamics distinct from dynamics of water in the bulk or in the hydration layer around biomolecules. Here, we describe and compare the dynamics of water in the …
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Simulations of interfacial dynamics of complex fluids using diffuse interface method with adaptive meshing
… this method is that topological changes such as interfacial rupture and coalescence happen naturally under a short-range force resembling the van der Waals force. There is no need for manual intervention as in sharp-interface model to effect such event. Moreover, this energy-based formulation …
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INTERFACIAL DYNAMICS OF DROP COALESCENCE AND IMPINGING LIQUID JETS: EFFECT OF VISCOUS, MARANGONI AND SHEAR-THINNING STRESSES
<p>The free-surface dynamics of drop coalescence and that of impinging liquid jets have both fundamental interest and practical importance in processes ranging from crop spraying and the processing of food emulsions to the atomization of fuel and pro- pellants in combustion and propulsion engines. …
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INTERFACIAL DYNAMICS OF DROP COALESCENCE AND IMPINGING LIQUID JETS: EFFECT OF VISCOUS, MARANGONI AND SHEAR-THINNING STRESSES
The free-surface dynamics of drop coalescence and that of impinging liquid jets have both fundamental interest and practical importance in processes ranging from crop spraying and the processing of food emulsions to the atomization of fuel and pro- pellants in combustion and propulsion engines. …
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Interactions and Dynamics of Soft Materials
… part of my dissertation is related with polymer interfacial dynamics. As one of the center topics of polymer physics, many models have been generated to understand polymer dynamics in bulk solutions and in melt. However, to study the dynamics of polymer at the interfaces is more complicated but …
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Lattice Boltzmann simulations of multiphase flows
… multi-fluid physics including phase-change and interfacial dynamics with relative ease. In addition, the LBM algorithm can be easily parallelized. This allows larger problems to be simulated quicker. Among the multiphase LBM algorithms, we have implemented the Shan-Chen method, the He-Chen …
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Droplet evaporation dynamics on surfaces
… with the significant mass transfer governed gas dynamics occurring at the droplet three-phase contact line make the classical method crude. To accurately investigate evaporation dynamics on surfaces, we present a novel steady measurement technique. By utilizing a piezoelectric dispenser to feed …
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Phase-field Modeling of Phase Change Phenomena
… aspects of the Allen-Cahn model for nonconserved interfacial dynamics. We derive the equilibrium interface profile and the connection between surface tension and mixing energy. We also discuss the well-known convex splitting algorithm, which is linear and unconditionally energy stable. Secondly, …
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The Dynamics of Gas-Surface Energy Transfer in Collisions of Diatomic Gases with Organic Surfaces
Understanding interfacial interactions at the molecular level is important for interpreting and predicting the dynamics and mechanisms of all chemistry processes. A thorough understanding of the interaction dynamics and energy transfer between gas molecules and surfaces is essential for the study …
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Cost-effective processing of immiscible polymer blends into value-added fiber-based products
… thesis starts with constitutive modeling of the dynamics of complex interfaces, leading to equations for the Cauchy stress tensor and the evolution of interfacial orientation in both affine deformation and situations where relaxing effects need to be considered. With the help of constitutive …
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The influence of contact line dynamics on drop deposition, repellency, and condensation.
For many years, solid-liquid and liquid-liquid interfacial dynamics have attracted attention in a variety of natural and industrial applications, including inkjet printing, water harvesting, and spray coating technologies. In a solid-liquid interface, when a droplet is placed on a solid substrate, …
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Engineering Superparamagnetic Iron Oxide Nanoparticles for Environmental Applications
… among others, highlighting critical aspects of interfacial dynamics for these systems. Finally, IONPs are demonstrated as a platform material for uranyl sorption and separation from water. Specifically, (bilayer) surface optimized, 8-30 nm monodisperse IONPs demonstrate ultra-high uranyl …
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MPSA Effects on Copper Electrodeposition: Understanding Molecular Behavior at the Electrochemical Interface
… experiment. Herein are profiled the molecular dynamics details and results of solid-liquid interfaces at flat non-specific solid surfaces and copper metal electrodes. <em>Ab initio</em> quantum-mechanical calculations are reported and define the interatomic potentials in the simulations. Some …
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Multiscale Investigation of Surfactant-Driven Fuel Resistance
… composition, influences micelle behavior, interfacial dynamics, and ultimately, foam performance. This knowledge gap hinders rational formulation and slows the development of next-generation firefighting foams. This dissertation aims to fill this gap through a comprehensive, multiscale …
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Effects of Osmolytes on Amyloid-beta Protein Surface Activity and Membrane Interactions
… and preferential exclusion modulate the thermodynamics of protein reactions to favor those that reduce total system volume and minimize solvent exposed surface area, respectively. To assess the effects of molecular crowding and preferential exclusion on interface-induced Aβ fibril formation, we …
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Contact and coalescence of viscous drops
… surfaces into contact. We solve for the viscous dynamics of this deformation both with and without inertia and find in each case a self-similar solution. The self-similar surface evolution determines the initial surface profile, and therefore the strength of the singularity in surface curvature, …
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Understanding and Improving Electrode|Polymer Electrolyte Interfaces for High-Voltage Lithium Metal Batteries
… characterization techniques to elucidate interfacial dynamics in PE-based SSBs and demonstrate a strategy to improve cell performance. Our findings reveal a critical distinction between morphologically conformal and ionically conformal interfaces, underscoring that physical conformity …
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Nanoscale insight into tribomechanical and hydrothermal process at calcite surface
… slip and earthquake nucleation are controlled by interfacial processes that operate at the nanoscale, where chemical, mechanical, and thermal effects converge to regulate frictional behavior. Among the minerals that compose the lithosphere, calcite is particularly significant due to its abundance, …
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