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Assembly Of Polymer Colloids At Fluid Interfaces Through External Fields And Nanoscale Surface Topography, Samuel Trevenen
Assembly Of Polymer Colloids At Fluid Interfaces Through External Fields And Nanoscale Surface Topography, Samuel Trevenen
Doctoral Dissertations
The superposition of dipolar repulsion and capillary attraction energies between colloidal particles pinned at fluid interfaces dictates their microstructural organization and therefore the macroscopic interfacial material properties of particle-stabilized emulsions and 2D monolayer materials. While isotropic, spherical, particles have been extensively utilized, expanding the possible applications and material property tunability via anisotropic particles has been a challenge due to the propensity of particles to form disordered aggregates at the interface. My thesis presents the synthesis of anisotropic polymer ellipsoids and the development and use of experimental tools to study their interfacial behavior to reveal how dipolar and capillary interactions can …
Dynamics Of Polymeric Solutions In Complex Kinematics Bulk And Free Surface Flows: Multiscale/Continuum Simulations And Experimental Studies, Arash Abedijaberi
Dynamics Of Polymeric Solutions In Complex Kinematics Bulk And Free Surface Flows: Multiscale/Continuum Simulations And Experimental Studies, Arash Abedijaberi
Doctoral Dissertations
While rheological and microstructural complexities have posed tremendous challenges to researchers in developing first principles models and simulation techniques that can accurately and robustly predict the dynamical behaviour of polymeric flows, the past two decades have offered several significant advances towards accomplishing this goal. These accomplishments include: (1). Stable and accurate formulation of continuum-level viscoelastic constitutive models and their efficient implementation using operator splitting methods to explore steady and transient flows in complex geometries, (2). Prediction of rheology of polymer solutions and melts based on micromechanical models as well as highly parallel self-consistent multiscale simulations of non-homogeneous flows. The main …