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Hairy interfaces
(Massachusetts Institute of Technology, 2018)
Textured surfaces are known to play an important role in water-repellency and uptake for a number of creatures. While the influence of chemistry and surface roughness on the wettability of surfaces has been studied ...
The influence of temperature on ion transport in nanofiltration membranes
(Massachusetts Institute of Technology, 2018)
Nanofiltration (NF) is a pressure-driven membrane-based solution treatment technology, similar to reverse osmosis (RO). The niche set of applications for NF includes those requiring selectivity between monovalent ions and ...
Design of cost-optimized village-scale electrodialysis systems for brackish water desalination
(Massachusetts Institute of Technology, 2018)
This thesis proposes methods of reducing the cost of electrodialysis brackish water desalination systems, specifically for use in rural India, where 60% of the groundwater is too saline to drink. Convergence of socioeconomic ...
Micro- and macro-rheological studies of the structure and association dynamics of biopolymer gels
(Massachusetts Institute of Technology, 2018)
The cross-linked polymeric microstructures of biological hydrogels (or biogels) give rise to their mechanical properties, which in turn contribute to their proper biological function. For example, cartilage is stiff, ...
Towards real-time light field processing for quantitative imaging and perception
(Massachusetts Institute of Technology, 2018)
This thesis aims to make light field imaging based 3D particle image velocimetry (PIV) practically feasible and affordable. In addition, this thesis also extends light field imaging techniques developed with PIV as a target ...
Macroscopic graphene membranes with tunable nanopores for highly selective mass separation
(Massachusetts Institute of Technology, 2018)
Membrane-based filtration enables energy-efficient separations of solutes, solvents, or gases, benefiting a wide range of applications including water desalination, nanofiltration, hemodialysis, solvent-based separation, ...
Electro-chemo-mechanical instabilities at interfaces in al-solid-state lithium-ion batteries
(Massachusetts Institute of Technology, 2018)
Inorganic solid-state electrolytes (SSEs) could replace flammable liquid electrolytes and improve the safety of Li-ion batteries. Furthermore, these SSEs could enable metal anodes, providing a significant improvement in ...
Development of adsorption-based atmospheric water harvesting and thermal energy storage technologies
(Massachusetts Institute of Technology, 2018)
Sorption-based energy technologies can be used to efficiently harvest fresh water from the atmosphere and to store thermal energy for climate control. Recent advances in porous adsorbents such as metal-organic frameworks ...
Impact of ride-sharing on mobility trends and vehicle stock
(Massachusetts Institute of Technology, 2018)
North American transportation industry is on the verge of a revolutionary change. With the advent of car-sharing services and ride-sharing companies, the transportation industry is experiencing a fundamental way in which ...
Mechanistic study of slug formation and evolution in high-viscosity-liquid/High-density-gas multiphase flows in channels/pipes
(Massachusetts Institute of Technology, 2018)
Rapidly rising global energy demand coupled with dwindling conventional oil resources has pushed unconventional oil, such as heavy oil, to become one of the most important future energy resources. However, design and ...