MAJOR RESEARCH PROJECTS (PAST AND PRESENT)

  • Development of a fully superconducting direct drive wind generator. DOE (Co-PI).
  • Turbo-electric propulsion for the next generation (N+3) transportation aircraft. NASA (PI)
  • Development of a HTS 10MW direct drive generator for wind turbines ARPA-E (Co-PI)
  • Numerical modeling of superconductors
  • AC losses in different field and transport current regimes
  • 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).
  • Development of a superconducting inductorfor 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 conductorsand 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 machineryfor 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 actuatorfor 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.