SKILLS

  • Design and optimization of electrical power devices
    • Superconducting power devices
    • Electromechanical systems (rotating machines, actuators)
    • Transformers, Fault Current Limiters
    • Transmission lines
    • High field magnets
  • MultiPhysics simulation
    • Coupled problems involving electromagnetic, thermal, structural analysis, fluid dynamics
    • Proficient in the use of COMSOL MultiPhysics, ANSOFT Maxwell-ePhysics, Matlab
  • System optimization
    • Systems of systems modeling
    • Development of physics-based models
    • Systems of systems synthesis and optimization (multi-objective optimization)
  • Project management
    • Principal and Co-Principal Investigator for projects involving over $1.5M
    • Supervised over 15 students and research engineers
  • Presentation
    • presented work to numerous international conferences (45+ presentations)
    • presented progress updates to research sponsors
    • gave numerous seminars and lectures
  • Computers and programming
    • Matlab, Mathematica, C, FEA codes, Linux & Windows, Office software

MAJOR RESEARCH PROJECTS

Ongoing:

  • Development of the first fully superconducting direct drive wind generator. (Lead Scientist).
  • Development of next generation drive train for next generation hybrid race cars, including system design (composed of all electrical and mechanical systems and energy storage) and optimization, electric motor(s) design, prototype development and testing. (Lead scientist).
  • Turbo-electric propulsion for the next generation (N+3) transportation aircraft. (Lead Scientist)

Past Projects:

  • Development of a superconducting inductor for synchronous machines based on flux concentration
    • Development of a 3D electromagnetic simulation tools based on Markov Chains Monte Carlo methods and regularization (LP method)
    • Design, construction and testing of a prototype
    • Design and implementation of a quench protection system
    • Set up of a LHe cooling system
  • Simulation of quench propagation in YBCO coated conductors and investigation of protection schemes as part of US Air Force Research Laboratory sponsored project
    • Resolution of non-linear coupled multi-physics problems
    • Application to airborne superconducting generators
    • Simulation using FEA software COMSOL MultiPhysics
  • Development of high power density superconducting rotating machinery for aircraft propulsion as part of the NASA/DoD sponsored University Research, Engineering & Technologies Institutes on Aeropropulsion, Power and Technology (joint program with Georgia Tech and Ohio State)
    • Design of various superconducting motors for all-electric aircraft propulsion
      • 200 kW, 2700 RPM & 1.5 MW, 3000 RPM – novel configuration patented
    • Experimental validation of conduction cooling system
    • Safety torque generation system for HTS motors (failure mode)
    • 450 kW, 3000 RPM, axial flux using trapped flux magnets
    • Simulations with ANSOFT Maxwell-ePhysics-Optimetrics
  • Development of a superconducting linear actuator for aircraft application for the BOEING Company
    • 2000 N linear motor, using YBCO coils and permanent magnets
    • Simulations with ANSOFT Maxwell-ePhysics-Optimetrics
  • Development of design methods and physics-based electro-thermal sizing models for high temperature superconducting machines.
    • The models are currently used at NASA Glenn Research Center, Georgia Institute of Technology and Empirical Systems Aerospace, LLC.