Two (2) years of experience with the following: Advanced catalytic-converter modeling, including development of 0D and 1D transient models capturing non-isothermal diffusion, convection, and heterogeneous reaction processes in emission-control systems; Numerical simulation of coupled transport-reaction systems, including multi-step surface chemistry, mass/heat transfer, and reactor transients in automotive aftertreatment devices; Development of reduced-order models (ROMs) for exhaust manifolds and multiphase catalytic reactors using CSTR networks, convolution integrals, and residence-time-distribution (RTD) methods; modeling and optimization of three-way catalysts (TWC), including prediction of hydrogen, CO, HC, and NOx breakthrough for HEGO switching and closed-loop control strategies; Experimental characterization of catalyst performance using light-off tests, CO-TPR, OSC measurements, and temperature-programmed methods for validating kinetic and thermodynamic models; Integration of numerical models with physics-based parameter identification frameworks to reduce precious-metal loading and improve emission-control performance; and Development of multi-scale analysis tools combining reactor-scale simulations with catalyst micro-kinetic behaviors to predict transient conversion efficiency under realistic driving cycles. Write timely and high-quality research reports, external publications, and records of invention to document new ideas and research results in your area of research.