• Effect of Converter Packaging Techniques on Device Electrical Conduction 

      Gattozzi, A.L.; Pish, S.P.; Pappas, J.A. (IEEE, 2003-01)
      High power converters handling several thousands of amperes and employing solid state switches (silicon controlled rectifiers, or SCRs, for example), often have to use multiple devices in parallel. Additionally, if the ...
    • Effect of Temperature on Wear Rate of Homopolar Pulse Consolidated Electrical Brush 

      Liu, H-P.; Carnes, Jr, R.W.; Gully, J.H. (Elsevier, 1993-07)
      Binderless copper-graphite composite electrical brushes are being developed using a high-energy, high-rate pulse sintering technique by the Center for Electromechanics at The University of Texas at Austin (CEM-UT). Experiments ...
    • Effects of Eccentricities on Shaft Signals Studied Through Windingless Rotors 

      Hsu, J.S.; Stein, J. (IEEE, 1994-09)
      Shaft signals of electric rotating machines offer potentials for defect detection. The signals are affected by many factors. This study specifically focuses on how eccentricities affect shaft signals through theoretical ...
    • Effects of high penetration levels of residential photovoltaic generation 

      Toliyat, A.; Kwasinski, A.; Uriarte, F.M. (IEEE, 2012-11)
      Photovoltaic (PV) generation technologies, often deemed a viable solution for reducing greenhouse gases and decreasing electricity demand, have become increasingly prevalent in their deployment. Particular progress in their ...
    • Electric power system concepts for integration of advanced sensor and pulsed loads in the DDG-51 class ships 

      Herbst, J.D.; Pish, S.P.; Jackson, J.R.; Gully, B.; Gattozzi, A.L. (, undated)
      Advanced weapons and sensors increase demand on the electric power systems of Navy surface combatants, driving the need for fully Integrated Power Systems (IPS) such as those found in the DDG-1000 Zumwalt class of ships. ...
    • Electric Vehicle Modeling Utilizing DC Motor Equations 

      Hearn, C.S.; Weeks, D.A.; Thompson, R.C.; Chen, D. (IEEE, 2010-07)
      This paper discusses modeling an electric utility vehicle powered by a separately wound DC motor. Many modeling techniques use steady state efficiency maps and torque-speed curves to describe the performance of electric ...
    • Electrical Insulation Challenges for Rotating Machines Used on Future Electric Ships 

      Hebner, R.E.; (, 2007-10)
      The electrification of ships coupled with a demand for very high power and energy density raises challenges for insulation system designers for this market. The physical reason the design is challenging is that the electrical, ...
    • Electrically Dewatering Microalgae 

      Pearsall, R.V.; Connelly, R.L.; Fountain, M.E.; Hearn, C.S.; Werst, M.D.; Hebner, R.E.; Kelley, E.F. (IEEE, 2011-10)
      Microalgae are being developed as a source of fuels and/or chemicals. A processing challenge is dewatering the algae. Electrical approaches to dewatering include exploiting electrophoresis or electroflocculation. The ...
    • Electromagnetic and Structural Analyses of an Integrated Launch Package 

      Liu, H-P.; Ting, Y.L.; Zowarka, R.C.; Alexander, A. (IEEE, 1999-01)
      In this paper, detailed three-dimensional (3D) transient electromagnetic (EM) analyses with temperature-dependent material properties were performed using a state-of-the-art analysis tool to calculate current densities, ...
    • Electromagnetic and Structural Analyses of Electric Gun and Integrated Launch Package Systems 

      Yun, H.D.; Price, J.H. (IEEE, 1995-01)
      The authors describe electromagnetic and structural analyses of electric gun and integrated launch packages. Models presented were developed for the Sabot Launched Electric Gun Kinetic Energy projectile (SLEKE) program and ...
    • Electromagnetic Earth-to Space Launch 

      Fair, H. D.; Coose, P.; Meinel, C. P.; Tidman, D. A. (IEEE, 1989-01)
      The authors review several of the previous electromagnetic and electrothermal launch concepts and discuss the critical related technologies which are essential for the development of practical Earth-to-space launch systems. ...
    • Electromagnetic Force, Jerk, and Electric Gun Projectile Design 

      Zowarka, R.C.; Kajs, J.P. (, 1992-04)
      As railgun projectiles have become more sophisticated, attention is being given to railgun produced electromagnetic forces that affect the mechanical loading of the projectile. The rate at which a launch package is accelerated ...
    • Electromagnetic Induction Launchers 

      Driga, M. D.; Weldon, W. F.; Woodson, H. H. (IEEE, 1986-11)
      The electromagnetic launcher consists of a system of stator coils producing a traveling field which accelerates an armature carrying currents induced by the traveling field (induction accelerator [1,2]) or persistent ...
    • Electromagnetic Launch Research at The University of Texas at Austin 

      Weldon, W.F.; (, 1991-04)
      The Center for Electromechanics at The University of Texas at Austin (CEM-UT) has been involved in the development of rotating electrical machines for pulsed power applications since 1973 and in the development of ...
    • Electromagnetic Launchers for Space Applications 

      Schroeder, J. M.; Gully, J. H.; Driga, M. D. (IEEE, 1989-01)
      An electromagnetic launcher (EML) was designed for NASA-Langley to boost large models to hypervelocity for flight evaluation. Two different concepts were developed using railgun and coilgun principles. A coilgun was designed ...
    • Electromagnetic Powder Deposition Experiments 

      Zowarka, R.C.; Bacon, J.L.; Davis, D.G.; Sledge, R.L.; Uglum, J.R.; Driga, M.D. (IEEE, 1999-01)
      The US Department of Defense (DoD) and commercial entities are dependent on chemical plating and coating processes to replace worn or eroded material on damaged parts. Logistics Centers have been forced to consider replacement ...
    • Electromechanical Analysis of the Technology Demonstrator for the Ignitex Fusion Device 

      Driga, M. D.; Hsieh, K. T.; Weldon, W. F.; Werst, M. D. (, 1989-03)
      The Texas Ignition Experiment (IGNITEX) device is a single turn coil tokamak designed to produce and control an ignited plasma using ohmic heating alone. The proposed high strength magnet system operates at a magnetic field ...
    • Electromechanical and Thermomechanical Stress Analysis of the Toroidal Field Magnet System in Single Turn Ignition Tokamaks 

      Hsieh, K.T.; Weldon, W.F.; Werst, M. D.; Montalvo, E.; Carrera, R. (American Nuclear Society, 1991-05)
      The Texas fusion ignition experiment (IGNITEX) device is a 20 T single turn coil tokamak designed to produce and control an ignited plasma using ohmic heating alone. As a baseline design, IGNITEX has a 1.5 m major radius ...
    • Electromechanical Suspension for Combat Vehicles 

      Beno, J.H.; Hoogterp, F.B.; Bresie, D.A.; Weeks, D.A.; Ingram, S.K.; Weldon, W.F. (Society of Automotive Engineers, Inc., 1995)
      The use of electromechanical actuators for an active suspension on a main battle tank is investigated. A novel approach to the development of the active suspension control algorithms is presented along with simulation ...
    • Electrothermal Accelerators: The Power Conditioning Point of View 

      Driga, M. D.; Ingram, M. W.; Weldon, W. F. (IEEE, 1989-01)
      The authors advance the concept of a single-element power supply for ET (electrothermal) guns, showing that compulsator-type machines with waveform flexibility (pulse-shaping capability) can satisfy all the ET gun power ...