Research

Research Topics (see also Publications)

• Micro/Nanoscale Gas Flows and Damping in MEMS
  • Knudsen Force Actuation and Sensing for Microsystems
  • Aerodynamic Damping in Microsystems
  • Contact Dynamics and Damping in High-G Digital Accelerometer
  • Gas-Phonon Thermal Transport in Nanoscale Geometries
• Vacuum Gas Dynamics
  • DSMC Modeling of Thin Film Depositions
  • Fluid Dynamics of Pharmaceutical Freeze-Drying
  • Low Density Gas-Droplet Flows
• Weakly Ionized Gases, Microplasma and Plasma Processing
  • Gas Discharges and Breakdown in RF MEMS switches
  • Plasma-Neutral Heat Transfer in Low-Pressure RF Discharges
  • Microwave Plasma CVD of carbon nanopetals
• Experimental Studies and Facilities
  • Freeze-Drying Lab (LyoLab)
  • High Vacuum Experimental Facility at Purdue/ASL
  • Low-Pressure Vapor Deposition at Purdue/Birck Nanotechnology Center
• LyoPRONTO Open-Source Lyophilization PRocessOptimizatioN TOol

• Computational Rarefied Gas Dynamics: Methods, Models and Applications
  • Recommended VSS and L-J Model Parameters for 8 Common Gases up to 2200 K
  • Immersed Boundary Method for Boltzmann model kinetic equation
  • Reaction and Internal Energy Exchange Modeling using QCT-MD
  • Chemical Effects of Impact Ejecta Reentry
  • 2D-3V Visualization of Non-Equilibrium Flows
  • Unsteady 3D-3V ESBGK Solver
  • Uncertainty Quantification Analysis for Hypersonic CFD
  • High-order Discontinuous Galerkin Method for Kinetic Equations
  • Deterministic Approach for Coupled Continuum-Rarefied Simulations