Lewis E. Wedgewood, Chemical Engineering Department Primary Grant Support: National Science Foundation, 3M Company
Problem Statement and Motivation Brownian Dynamics Simulation of a Ferrofluid in Shear
•
Establish The Mechanical Properties And Microstructure of Ferrofluids Under Flow Conditions
•
Use Ferrofluids To Test New Theories Of Complex Fluids And The Relation Between Mircostructure And Flow Behavior
•
Use The Resulting Models And Understanding To Develop Improved Ferrofluids And New Applications Such Targeted Drug Delivery
H Hey Key Achievements and Future Goals
Technical Approach •
Brownian Dynamics Simulations For Spherical And Slender Particles Is Used To Model The Microstructure Of Ferrofluids
•
Improved Understanding Of The Behavior Of Ferrofluids Near Solid Boundaries And The Application Of Boundary Conditions
•
LaGrange Multiplier Method Used To Satisfy Local Magnetic Field Effects
•
Established Relation Between Applied Magnetic Fields And Ferrofluid Microstructure
•
Computer Animation And Statistical Analysis To Characterize Particle Dynamics
•
Development Of Constitutive Relations Suitable For Design Of New Applications
•
Continuum Theory And Hindered Rotation Models To Model Mechanical Behavior
•
Verification Of Hindered Rotation Theory And The Transport Of Angular Momentum In Complex Fluids