Electromagnetically Tunable Fluids
Abstract
The overarching goal of this project was to exploit the transport properties at colloidal and microfluidic dimensions to controllably alter the high-frequency electromagnetic material properties at the macro level. This was to achieve multifunctionality and reconconfigurability at device-level (antenna) scales through tunability provided by a combination of structural colloidal components and functional microfluidic components; the microfluidic system was used to both reversibly control physical properties through fluidic transport and provide pathways for directed colloidal assembly. A series of multidisciplinary activities have been completed to explore these adaptive properties and integrate them into the design of a demonstration vehicle. This includes a combination of microscopy, numerical simulation, scaling analysis, and image analysis which has been used to evaluate and model the multibody forces acting within the colloidal assemblies and fluidic dispersions. New synthesis procedures were developed to provide nano-scale material systems with high aspect ratio particles and test fixtures were developed for the high frequency electromagnetic characterization of these materials. Multi-scale multi-physics modeling was also examined to provide additional insight into the interconnection of physical phenomena that were associated with multifunctional behavior of the antenna systems.
Document Details
- Document Type
- Technical Report
- Publication Date
- Nov 29, 2011
- Accession Number
- ADA557745
Entities
People
- D. Lagoudas
- G. H. Huff
- J. Boyd
- M. A. Bevan
- Z. Ounaies
Organizations
- Texas Engineering Experiment Station