• 3-D Electromagnetic Analysis of Armatures and Rails for High Launch Energy Applications 

    Liu, H-P.; Lewis, M.C. (IEEE, 2015-09-04)
    Transient three-dimensional (3-D) electromagnetic analyses have been performed on armatures and rails which are intended to be used for high launch energy applications. Coupled magnetic and thermal diffusions were solved ...
  • 3D Model - "Don" Name Tag 

    Ton, Don (2014-11-12)
  • 3D Transient Modeling of Bulk High Temperature Superconducting Material in Passive Magnetic Bearing Applications 

    Pratap, S. B.; Hearn, C. (, 2015-09-04)
    Bulk high temperature superconductors (HTSC) are being considered for use in several engineering applications including passive magnetic bearings. These bearings besides being passive i.e. inherently stable also offer the ...
  • 9 MJ Laboratory Gun and Range at The University of Texas at Austin 

    Zowarka, R. C.; Peterson, D. R.; Price, J. H.; Weldon, W. F. (IEEE, 2015-09-04)
    The authors describe a 9 MJ laboratory gun and range program. The goal of the program is to demonstrate a single-shot EM (electromagnetic) gun suitable for establishing gun parameters for repetitive EM gun systems and for ...
  • 9 MJ Range Gun Compulsator Stator Design and Fabrication 

    Herbst, J.D.; Cook, K.G.; Kuenast, R.A.; Pratap, S.B.; Thompson, R.C.; Yun, H.D. (IEEE, 2015-09-04)
    The authors provide a summary of the structural analysis of the compulsator stator as well as a detailed description of the major stator components. Fabrication and assembly techniques are also presented, along with the ...
  • AARADCOM/DARPA Compact Homopolar Generator 

    Gully, J.H.; (IEEE, 2015-09-04)
    If electromagnetic (EM) rail guns are to be used to propel substantial projectiles, large amounts of energy must be delivered in a fast, high-current pulse. Homopolar generators (HPGs) store megajoules (MJ) of energy in ...
  • Abstract floodplain visualization on TINs 

    Azagra, Esteban; Olivera, Francisco; Maidment, David R. (Center for Research in Water Resources, University of Texas at Austin, 2010-01-04)
  • Accelerating the Simulation of Shipboard Power Systems 

    Uriarte, F.M.; Hebner, R.E.; Gattozzi, A.L. (Society for Modeling & Simulation International, 2015-09-04)
    This paper presents an approach to accelerate the simulation of shipboard power systems. A common issue in the ship research community is the simulation run time of large-scale shipboard power systems. A contributor to ...
  • Active Current Management for Four-Rail Railguns 

    Beno, J.H.; Weldon, W.F. (IEEE, 2015-09-04)
    A system of auxiliary conductors designed to reduce current density peaks in railgun rails for four-rail, round-bore railguns is described. The effects on rail current density and projectile force are discussed. Railgun ...
  • Active Magnetic Bearings for Energy Storage Systems for Combat Vehicles 

    Pichot, M.A.; Kajs, J.P.; Ouroua, A.; Murphy, B.T.; Rech, B.; Hayes, R.J.; Beno, J.H.; Buckner, G.D.; Palazzolo, A.B. (IEEE, 2015-09-04)
    Advanced energy storage systems for electric guns and other pulsed weapons on combat vehicles present significant challenges for rotor bearing design, Active magnetic bearings (AMBs) present one emerging bearing option ...
  • Active Suspension System Energy and Power Requirements for Military Applications 

    Beno, J.H.; Hoogterp, F.B.; Weeks, D.A. (, 2015-09-04)
  • An Actively Switched Pulsed Induction Accelerator 

    Ingram, M. W.; Andrews, J. A.; Bresie, D. A. (IEEE, 2015-09-04)
    A coaxial accelerator which will launch a 45 mm diameter, 225 g-mass to 2000 m/s is described. The launcher is a true induction device, as no current feed to the armature is provided. The armature is a multiturn design, ...
  • Addressing water availability and climate change issues in the Cordillera Blanca, Peru through technical analysis and community building strategies 

    Read, Laura K.; McKinney, Daene C. (Center for Research in Water Resources, University of Texas at Austin, 2011-04-14)
    Accelerated tropical glacial melt on the order of 15-18 meters per year since the 1980’s in Peru’s Cordillera Blanca region is alarming rural communities and urban authorities, causing them to seek technical support for ...
  • Advanced Compulsator Design 

    Driga, M. D.; Pratap, S. B.; Weldon, W. F. (IEEE, 2015-09-04)
    The compulsator or compensated pulsed alternator is the name for a large family of high-energy pulsed-power rotation machinery. It covers an extensive range of currents, voltages, pulse shapes, and also frequency in the ...
  • Advanced Compulsator Technology 

    Pratap, S.B.; (IEEE, 2015-09-04)
    Compulsator selection issues are addressed, including two poles vs. four poles, shell vs. conventional rotors, relation between pulse shape and energy density, and would compensation. Electrothermal guns require a current ...
  • Advanced Compulsators for Railguns 

    Pratap, S.B.; Hsieh, K.T.; Driga, M.D.; Weldon, W.F. (IEEE, 2015-09-04)
    In order to maximize the penetration of a projectile into a target, the acceleration on the projectile during the launch must be minimized. Low accelerations permit the design of long and slender projectiles which have ...
  • Advanced Flywheel Technology for Space Applications 

    Thompson, R.C.; Pak, T.T. (IEEE, 2015-09-04)
    For spacecraft applications, energy storage sources are required to produce a high yield with minimum size and mass. Flywheel systems have the potential to fill this need while also providing attitude control for the ...
  • Advanced Induction Motor End Ring Design Features for High Speed Applications 

    Caprio, M.T.; Lelos, V.; Herbst, J.D.; Upshaw, J.L. (IEEE, 2015-09-04)
    This paper presents advancements in induction motor endring design to overcome mechanical limitations and extend the operating speed range and joint reliability of induction machines. A novel endring design met the challenging ...
  • Age-Related Factors in Driving Safety 

    Valentine, Deborah; Williams, Martha; Young, Robert K. (Council for Advanced Transportation Studies, 2013-08-02)
    Accident and violation rates are higher for older and younger drivers. Causative or confounding variables studied in relation to this phenomenon have included experience, exposure rates, hazard miles driven, personality, ...
  • Airport Capacity Analysis: A Systems Approach 

    Zaniewski, John P. (Council for Advanced Transportation Studies, 2013-08-20)
    Existing quantitative models for analysis of the capacity of various components of the airport system are presented. Procedures for utilizing these models in a system analysis are discussed. Recommendations are made ...