MAJOR RESEARCH PROJECTS (PAST AND PRESENT)

  • Development and testing of persistent mode NbTi magnets
  • Development and testing of HTS bearing and force measurement systems for HTS-Permanent Magnet interactions
  • Development of PM-Wire™ and PM-360™, the next generation of permanent magnets
  • Development of dual rotor high specific torque/power motors and generators for airborne applications based on PM-360™ excitation, from drones to transportation aircraft
  • Development of high-field uniformity superconducting magnets
  • 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 fields and transport currents 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 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 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.