ion transport dynamics | bilayer membranes | perturbation methods
My postdoctoral work investigates the effect of ion transport on the deformation of bilayer membranes. I use a combination of analtical approximation methods as well as numerical and computational tools to model ion transport around a membrane.
My PhD research focused on mathematical modeling of ion transport dynamics in electrochemical and colloidal systems. The goal was to develop theory that related (microscopic) ion transport to observable quantities such as current, or colloidal particle motion. I used perturbation and asymptotic analysis methods to obtain approximate solutions to the differential equations governing ion transport. The theme of my thesis had been to quantify the effect of the ion asymmetry on its transport. In general, asymmetry is the norm, rather than an exception. Understanding ion transport is central to applications such as: batteries and supercapacitors for energy storage, electrically driven fluid flows, de-ionization through porous membranes, separation and assembly of particles and macromolecules, and modeling deformation of proteins and membranes.
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PhD Thesis: Mathematical modeling of ion transport dynamics in asymmetric electrolytes Balu, B. (2021) [html] |
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6. Asymptotic approximations to the impedance of an asymmetric electrolyte Balu, B., & Khair, A. S. under review |
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5. A thin double layer analysis of asymmetric rectified electrif fields (AREFs) Balu, B., & Khair, A. S. (2021). J Eng Math 129, 4. [html] |
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4. Breaking electrolyte symmetry in induced-charge electro-osmosis Khair, A. S., & Balu, B. (2020). Journal of Fluid Mechanics, 905. [html] |
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3. Dynamic double layer force between charged surfaces Balu, B., & Khair, A. S. (2020). Physical Review Research, 2(1), 013138. [html] [pdf] |
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2. The lift force on a charged sphere that translates and rotates in an electrolyte Khair, A. S., & Balu, B. (2019). Electrophoresis, 40(18-19), 2407-2414. [html] |
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1. Role of Stefan–Maxwell fluxes in the dynamics of concentrated electrolytes Balu, B., & Khair, A. S. (2018). Soft Matter, 14(41), 8267-8275. [html] |
| November 2021 | B. Balu, A. S. Khair, ``Particle motion in asymmetric rectified electric fields,'' Emerging Engineers and Scientists Seminar Series, Ohio State University, invited talk |
| July 2021 | B. Balu, ``Mathematical modeling of ion transport dynamics in asymmetric electrolytes,'' thesis defense, |
| November 2020 | B. Balu and A. S. Khair, ``Particle motion in asymmetric rectified electric fields,'' Annual Meeting of the American Institute of Chemical Engineers, virtual conference, Pre-Recorded+ [video] |
| November 2020 | B. Balu and A. S. Khair, ``Dynamic double layer force between charged surfaces,'' Annual Meeting of the American Institute of Chemical Engineers, virtual conference, Pre-Recorded+ [video] |
| June 2019 | B. Balu and A. S. Khair, ``Role of Stefan-Maxwell fluxes in they dynamics of concentrated electrolytes,'' International Symposium on Electrokinetics, Boston, MA, poster with soundbite |
| November 2018 | B. Balu and A. S. Khair, ` ``Role of Stefan-Maxwell fluxes in they dynamics of concentrated electrolytes,'' Annual Meeting of the American Institute of Chemical Engineers, Pittsburgh, PA, full length talk |
| December 2017 | P. Sivakumar, B. Balu, M. Danny Raj, R. Rengaswamy, ``Soft matter meets machine learning: insights into the stability of poly-disperse emulsions,'' CompFlu-’17, Chennai, India, contributed work |
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