• The TAERF Scientific Railgun Theoretical Performance 

      Marshall, R.A.; (IEEE, 1982-01)
      The successful demonstration of direct-current railguns during the last decade has shown that these simple devices have the capability of accelerating gram-sized projectiles to very high velocities, provided that the current ...
    • A Taxonomy of Electromagnetic Launchers 

      Weldon, W. F.; (IEEE, 1989-01)
      During a September 1987 Workshop on non-railgun accelerators, a consensus was reached on a taxonomy for electromagnetic launchers (EMLs). A refined version of that taxonomy, which is based on functional requirements, is ...
    • Technical Cross-fertilization Between Terrestrial Microgrids and Ship Power Systems 

      Hebner, R. E.; Uriarte, F. M.; Kwasinski, A.; Gattozzi, A. L.; Estes, H. B.; Anwar, A.; Cairoli, P.; Dougal, R. A.; Feng, X.; Chou, H-M.; Thomas, L.J.; Pipattanasomporn, M.; et. al. (Springer Verlag, 2015-05)
      Aspects of terrestrial microgrids and ship power systems are examined. The work exposes a variety of technical synergies from these two power systems to effectively advance their technologies. Understanding their overlap ...
    • Test Methods for Composite Structures for Pulsed Power, Rotating Machines 

      Rech, B.M.; Thompson, R.C.; Pak, T.T.; Wedeking, G.A. (, undated)
      Composites are an enabling technology for achieving high power and energy densities in pulsed power rotating machinery. Due to extreme thermomechanical loads, an optimized combination of structural, thermal, and electrical ...
    • Testing of a 3 MW high speed generator and turbine drive for a hybrid vehicle propulsion system 

      Thelen, R.F.; Herbst, J.D.; Wardell, D.; Murphy, B.T.; Canilang, B.D. (American Society of Mechanical Engineers, 2008-07)
      The need for increased design flexibility and reduced weight and volume for electric power generation infrastructure has driven an increased interest in the use of high speed generators directly driven by gas turbine prime ...
    • Testing of a High Performance, Precision- Bore Railgun 

      Peterson, D. R.; Weeks, D. A.; Zowarka, R. C.; Cook, R. W.; Weldon, W. F. (IEEE, 1986-11)
      This paper discusses the results of high-pressure (up to 350 MPa) railgun experiments. The gun is designed both to be capable of high-pressure operation without structural damage and to be readily disassembled for inspection, ...
    • Testing of a Homopolar Generator, Energy Storage Inductor, Opening-Switch Railgun System 

      Zowarka, R.C.; Rech, B.M.; Nalty, K.E. (IEEE, 1986-11)
      The first homopolar-fired railgun system was operated in Canberra in 1972 [1,2]. Since that time two additional systems have been tested, the EMACK homopolar generator (HPG) built by Westinghouse and operated by Army ...
    • Testing of a Rapid Fire Compensated Pulsed Alternator System 

      Werst, M. D.; Perkins, D. E.; Pratap, S. B.; Spann, M. L.; Thelen, R. F. (IEEE, 1989-01)
      A compensated pulsed alternator (compulsator) has been designed and fabricated to drive a rapid-fire railgun system. Initial testing of the compulsator resulted in the failure of the compensation shield at full speed. An ...
    • Testing of an Air Core Compulsator Driven 0.60 Caliber Railgun System 

      Fuller, R.L.; Kitzmiller, J.R.; Thelen, R.F. (IEEE, 1995-01)
      The Center for Electromechanics at The University of Texas at Austin (CEM-UT) is testing a laboratory based, small caliber, electromagnetic launcher and compensated pulsed alternator power supply. The objective of the ...
    • Testing of Coaxial Railguns in High Vacuum 

      Upshaw, J.L.; (IEEE, 1986-11)
      The goal of many railgun investigations is to arrive at a railgun design that is capable of launching projectiles to extremely high velocities (10 to 100 km/s). Often a second goal is for the railgun design to allow for ...
    • The Testing of Sliding Electrical Contacts for Homopolar Generators 

      Brennan, M.; Eliezer, Z.; Weldon, W.F.; Rylander, H.G.; Woodson, H.H. (IEEE, 1979-03)
      Due to the recent interest in homopolar generators as pulsed power supplies, the need has arisen for pulsed brush data on slip rings at high current levels and high surface velocities. Tests were conducted to examine the ...
    • Testing of the Cannon Caliber Rapid Fire Railgun 

      Werst, M.D.; Hotz, T.J.; Kitzmiller, J.R.; Penney, C.E.; Tellander, R. M. (IEEE, 1997-01)
      A rapid fire launcher has been designed, built, and tested in single-shot mode for the Cannon Caliber Electromagnetic Gun (CCEMG) System. The 2.25-m long railgun has a rectangular cross-section (30 mm round bore equivalent) ...
    • Testing Pulsed Current Conditioning to Benefit Vehicle Battery Performance 

      Thelen, R.F.; (Society of Automotive Engineers, Inc., 1999)
      Calorimetric testing of pulsed power conditioning, as an influence on a battery's electrochemical transfer efficiency, is presented. The experiment used two 300 AH (ampere-hour) electric shuttle bus batteries; alternately ...
    • Theoretical Analysis of a Collapsing Field Accelerator 

      Ingram, S.K.; (IEEE, 1993-01)
      This paper presents a theoretical discussion of a collapsing field accelerator currently under study at the Center for Electromechanics at The University of Texas at Austin. This accelerator has several novel features, ...
    • Thermal Evaluation of High Voltage Hermetic Motors Experiencing Recurrent Insulation Failures 

      Liu, H-P.; Herbst, J.D.; Jordan, H.E. (, undated)
      A high voltage hermetic compressor motor design developed for chiller applications has shown recurrent insulation failures in certain stator end-turn regions. Initial investigations found discoloration of failed coil ...
    • Thermal Measurement and Prediction of an Air-Cooled Induction Motor 

      Liu, H-P.; Werst, M.D. (, undated)
      Active cooling is typically required for continuously operated electric motors to prevent rotors and stators from overheating. Various motor cooling designs have been developed in the past to meet the needs and constraints ...
    • Thermodynamic analysis of algal biocrude production 

      Beal, C.M.; Hebner, R.E.; Webber, M.E. (Elsevier, 2012-08)
      Although algal biofuels possess great potential, profitable production is quite challenging. Much of this challenge is rooted in the thermodynamic constraints associated with producing fuels with high energy, low entropy, ...
    • Thermoplastic applications for pulse power alternators 

      Hearn, C.S.; Hahne, J.J.; Liu, H-P.; Werst, M.D. (IEEE, 2007-01)
      The field coil is the primary component of the rotor assembly that provides the rotating magnetic field for the pulse power alternator. The design of the field coil is optimized so that it will produce the required magnetic ...
    • Three-Dimensional Rail Cooling Analysis for a Repetitively Fired Railgun 

      Liu, H-P.; (IEEE, 1991-01)
      A three-dimensional rail cooling analysis for fabrication and demonstration of a stand-alone, repetitive-fire, compulsator-driven 9 MJ gun system has been performed to assure that the entire rail can be maintained below ...
    • Three-Dimensional Rail-Current Distribution Near the Armature of Simple, Square-Bore, Two-Rail Railguns 

      Beno; J. H.; (IEEE, 1991-01)
      Vector potential is solved as a three dimensional, boundary value problem for a conductor geometry consisting of square-bore railgun rails and a stationary armature. Conductors are infinitely conducting and perfect contact ...