IEEE Catalog Number: ISBN:

CFP14EML-POD 978-1-4799-2734-0

2014 17th International Symposium on Electromagnetic Launch Technology (EML 2014)

San Diego, California, USA 7-11 July 2014

IEEE Catalog Number: CFP14EML-ART 978-1-4799-2733-3/14/$31.00 © 2014 IEEE

LIST OF PAPERS 2014 17th EML Introduction ……………………………2014 Peter Mark Award ………………………………2014 Peter Kemmey Memorial Student Scholarship2014 Harry Fair Award …………………………………Tribute to Drs. Henry Kolm and Richard Marshall

APPLICATIONS A Scenario for a Future European Shipboard Railgun ……………………..………..………..……………… ………………………………………………………………………………..…… Stephan Hundertmark and Daniel Lancelle Design Considerations for an Electromagnetic Railgun Firing Intelligent Bursts to be Used Against Anti-Ship Missiles ……………………………………………………………………………….…………..…… ……………. Johan Gallant, Tom Vancaeyzeele, Ben Lauwens, Barbara Wild, Farid Alouahabi, and Markus Schneider The Use of a Railgun Facility for Dynamic Fracture of Brittle Materials ……………………………… ………………………………………………………..…… Markus Schneider, Gregory Vincent, James Hogan, John Spray

ARMOR Simulation Research of the Enhancement Effect on Shaped-Charge Jet by Using Axial Magnetic Fields ………………………..…………………………………………… Luo Youtian, Li Zhiyuan, and Lei Bin Research on the Necking Effect of Pulse Current on Shaped-charge Jet in Passive Electromagnetic Armor …………………………………..…… WenDa Qi, Bin Lei, ZhiYuan Li, Xi-Chao Yuan, He Li Calculation and Verification of Lateral and Pinch Electromagnetic Action on the Shaped Charge Jet in the Passive Electromagnetic Armor …………………………..…………………………...…… …………...……………………..…… Shaohui Chen, Fan Zhang, Manna Zhou, Ben Liu, Changming Chen, and Lizhen Xu Optimization Research of Passive Electromagnetic Armor Plate Spacing Based on Electro-Explosion ………………………………………..…… Li Zhiyuan, Luo Youtian, Lu Pin, Xiang Hongjun, Dong Jiannian Research of the Electrothermic Action on Shaped Charge Jet in the Passive Electromagnetic Armor ………………………………………………………….……..…… Lei Bin, Yuan Xichao, Li Zhiyuan, Chen Shaohui A Frequency Domain Method for the Pulse Current Skin Effect in the Passive Electromagnetic Armor …………………………………………..…… Xichao Yuan, Bin Lei, Zhiyuan Li, Wenda Qi Research on Bending and Deviating Effects of Passive Electromagnetic Armor on Shaped-charge Jet ……………………………………………………………..…… Bin Lei, WenDa Qi, ZhiYuan Li, Ping Lu, He Li Optimization of the Spacing between the Two Plates of Passive Electromagnetic Armor ….… …………………………………………………………………..…… Huang Yongfang, Cao Yanjie, Zhou Gang, Sun Xijing

IEEE Catalog Number: CFP14EML-ART 978-1-4799-2733-3/14/$31.00 © 2014 IEEE

Research on Performance Affected by Material Changing of Pedestal and Interception Projectile in the Active EM Armor …………….…..…… Wang Chengxue, Shumei Cui, Cao Yanjie, Wang min Effect of Electric Current on Shaped-Charge Operation ……………………………………………………... …………………………………………………………………….…… G. A. Shvetsov, A. D. Matrosov, and S. V. Stankevich COILGUN Design and Optimization of Single Phase Tubular Switched Reluctance Linear Launcher …… …………………..……………………………………………………………………………………… H. Chen, X. Liu and T. Xu Analysis of Parameter Sensitivity for Induction Coil Launcher Based on Orthogonal Experimental Method …..... Hongjun Xiang, Bin Lei, Zhiyuan Li, Keyi Zhao, Qingao Lv, Qian Zhang, Yiqing Geng Acceleration Characteristics in the Launching of Induction Coilgun …………..………..……………… ……………………………..…… Hongjun Xiang, Bin Lei, Zhiyuan Li, Chunyan Liang, Keyi Zhao, Qingao Lv, Qian Zhang Double Closed-loop Control of Switched Reluctance Linear Launcher …………………………...…… …………………………………………………………………………………………..…… H. Chen, Q. Wang and X. Zhang A Fault Tolerant Control Strategy for Six-phase Transverse Flux Tubular PMLM Based on Synthetic Vector Method …………….…… Hao Yan, Yongxiang Xu, Shanlin Jiang, Jibin Zou, and Weiyan Liang Electromagnetic Force Characteristics in Long-stator PM Linear Launcher with Non-ideal Mechanical Air gap Condition …………………………………...…… Mingna Ma, Liyi Li, He Zhu and C. C. Chan Thermal Optimization of a Tubular Permanent Magnet Linear Synchronous Motor ………….… ………………………………………………………………………………..…… Huang Xuzhen, Tan Qiang, Li Liyi, Zhou Bo Design and Analysis of the Secondary Structure for the Slot-less Tubular Permanent Magnet Linear Synchronous Motor …………………….………..…… Xu Zhen Huang, Qing Long Wang, Li Yi Li, Bo Zhou Influence of Magnetic Structure on Electromagnetic and Dynamic Properties for LPMBLDCM …………..……………………………………..…… Huilai Li, Xiaomin Li, Keyi Zhao, Zhiyuan Li, and He Li Optimum Design of Driving Circuit Parameters for Magnetic-resistance Coil Launcher ……… …………………………………..…… Zhao Keyi, Xiang Hongjun, Li Zhiyuan, Lei Bin, Zhang Qian, Song Liwei, Li Jinming Research on Interstage Magnetic Couple Effect of LCICL …………………………………………………… ………………………..…… Zhao Keyi, Xiang Hongjun, Li Zhiyuan, Lei Bin, Zhang Qian, Song Liwei, Li Huilai, Li Jinming Analysis of Back Electromotive Force in RCEML ………………………….…………………………………… …. Yanpan Hou, Zhenxiang Liu, Lijia Yang, Zhi Shen, Jian-Ming Ouyang, Dong Yang, Zhi-Peng Lin and Xiang-cheng Li Dynamic Research of Multi-stage Reluctance Coil Gun ……………………………………………….……… …………………………………………………..…… Li Zhiyuan, Luo Youtian, Meng Xueping, Xiang Hongjun, Cui Shumei

IEEE Catalog Number: CFP14EML-ART 978-1-4799-2733-3/14/$31.00 © 2014 IEEE

Research on Energy Conversion Efficiency of Helical Coil Electromagnetic Launcher ……….… …………………………………..…… Dong Yang, Zhenxiang Liu, Yang Li-jia, Shen Zhi, Ouyang Jian-ming, Hou Yan-pan High-Bandwidth Current Control for High-Speed Linear Motor ………………………………………… ……………………………………………………………………………..…..…… Mingyi Wang, Liyi Li, He Zhu and Jiaxi Liu Modeling and Analysis of a Magnetically Levitated Synchronous Permanent Magnet Planar Motor with Concentric Structure Winding ………....…… Lu Zhang, Baoquan Kou, Feng Xing, and Jun Luo Design and Evaluating the Driving Coil on Induction Coilgun …………………………………………… ……………………………… Tao Zhang, Wei Guo, Zizhou Su, Ren Ren, Mingtao Li, Junyi Yang, Bin Cao, and Juxiang Li Efficiency Optimization of Multi-Stage Synchronous Induction Coil Launcher Based on Response Surface Methodology ……..……..…… Hongbo Jin, Yanjie Cao, Huijin Wang, and Yongfang Huang Research on the Scaling Model Experiment of Electromagnetic Coil Launcher ………………….… …………………………………………………………………………..…… Zou Bengui, Cao Yanjie, Jin Hongbo, Wang Min Multi-level and Multi-objective Optimization of Coilgun Considering Temperature Rise …..… ………………………………………………………..…… Xi Tao, Shuhong Wang, Youpeng Huangfu and Yuqiong Wang Characteristic Analysis of An Ironless Linear Synchronous Motor with Novel Halbach Magnet Array ……………………...……………………..…… Lu Zhang, Baoquan Kou, Feng Xing, and Binchao Zhao Design and Analysis of a Bidirectional Cross-Linking Transverse Flux Permanent Magnet Synchronous Motor ………………..…………..…… He Zhang, Baoquan Kou, Weiduo Zhao, and Guolong Yang Multi-Objective Optimal Design of Switched Reluctance Linear Launcher ………………………..… ………………………………………………………………...…… Shoujun Song, Man Zhang, Lefei Ge and Lusheng Wang Trigger Control Research of Electromagnetic Coil Launcher Based on Real-time Velocity Measurement ………………..……………………………..…… Min Wang, Yanjie Cao, Jialin Chen, Chengxue Wang Design Considerations of Transverse Flux Linear Machines for Eelectromagnetic Launch Applications ………………..…………………………..…… Qian Wang, Bo Zhao, Juan Zhang, Yong Li, and Jibin Zou Analysis of Temperature Distribution on Power Converter for Switched Reluctance Linear Launcher ……………………………………………………………………………………………..…… H. Chen, and Y. Xu Exploration and Verification Analysis of a Linear Reluctance Accelerator ………………………… …………………………………………………………………………………………………..…… Thor Barrera, Robby Beard Nonlinear Control of Axial Flux Flywheel Motor/Generator Set of Coil Launchers ……………… ………………………………………………………………………………………………………….………..…… Ugur Hasirci

IEEE Catalog Number: CFP14EML-ART 978-1-4799-2733-3/14/$31.00 © 2014 IEEE

Research on a New Accurate Thrust Control Strategy for Linear Induction Motor ……………… ……………………….……………….……………..…… Xu Qiwei, Cui Shumei, Zhang Qianfan, Song Liwei, and Xiyuan Li Modelling of a Coilgun-based Plate Launcher for Active Armour Applications …………………… …………………………………… Anders Larsson, Mose Akyuz, Patrik Appelgren, Wilhelm Dingertz and Tomas Hurtig Helical Electromagnetic Launchers for Acceleration Calibration …..… E. J. Timpson and T. G. Engel Development of a Reversible Helical Electromagnetic Launcher ……………………………………… ……………………………………………………………………….……..…… T. G. Engel, M. J. Veracka, and E. J. Timpson Progress in the Development of a Large-Bore High-Velocity Helical Electromagnetic Launcher ……………………………………………………………………….………..…… T. G. Engel and E. J. Timpson Reversible Helical Electromagnetic Launchers for Time Acceleration Waveform Replication …………………………………………………………………..………………………..…..…… E. J. Timpson and T. G. Engel Design of Linear Thruster with a Solid Arc-shaped Mover Used by Tanker Aircraft …………… …………………………………………………………………………..…… Chai Feng, Bi Yunlong, Liang Peixin, Song Liwei Effect of Air Gap Eccentricity on Rotor Eddy Current Loss in High Speed PMSM Used in FESS* …………………………………………..………………………………………… Pei Yulong, Li Xing, Li Yi, Chai Feng Investigation of Armature Capture Effect on Synchronous Induction Coilgun ………………..…… …………………………… Tao Zhang, Wei Guo, Zizhou Su, Juanjuan Yue, Honghai Zhang, Wei Fan, and Xiaochao Sun Synchronous Control of Dual Linear Motors Based on Advanced Space Voltage Vector Switch Table …………………………...…..…… Baoquan Kou, Feng Xing, Chaoning Zhang, Lu Zhang, and Hao Yan Gyroscopic Stabilization of the Armature in a Travelling Wave Induction Launcher …………… …………………………………………………………………..…… A. Musolino, M. Raugi, R. Rizzo, L. Sani, and E. Tripodi Research on Transverse End Effect of Linear Induction Motor for High-Speed Industrial Transportation …...…… Junyong Lu, Xiao Zhang, Baoguo Liu, Xiaocun Guan, Sai Tan,Weiming Ma, Sengyi Song Inductances and Phase Coupling Analysis of Tubular Permanent Magnet Machines with Transverse Flux Configuration ……..…..…… Qian Wang, Bo Zhao, Yongxiang Xu, Juan Zhang, and Jibin Zou Passive MAGLEV Armature Stabilization …………………..………………………………………………..…… ……………………………………….. Dante Casini, Antonino Musolino, Marco Raugi, Rocco Rizzo, and Ernesto Tripodi Theory and Circuit model of Brush Commutation in Helical Coil Electromagnetic Launchers .… Yanpan Hou, Zhenxiang Liu, Lijia Yang, Zhi Shen, Jian-Ming Ouyang, Dong Yang, Zhi-Peng Lin and Xiang-cheng Li

IEEE Catalog Number: CFP14EML-ART 978-1-4799-2733-3/14/$31.00 © 2014 IEEE

COMPUTATIONAL TECHNIQUES Electromagnetic Field Effect and Analysis of Composite Structure …………………………………… ……………………………………………………………………………..…………..…… Jerome T. Tzeng and Kuo-Ta Hsieh Numerical Analysis of the Response of Thick Wires to Extreme Dynamic Electro-Mechanical Loads ………………………………………………………………………….…..…… R. J. M. Cunrath and Dr. M. Wickert Analysis and Simulation on Pulse Current Distribution in Copper Strips …………………………… …………………………………………….…… Yan-chang Xing, Qing-ao Lv, Zhi-yuan Li, Ren-gui Zhu, and Long-wen Jin Analysis of the Launching Performance under Melting Restriction for Electromagnetic Launcher ………………………………………………..…… Yan-chang Xing, Qing-ao Lv, Zhi-yuan Li, Hong-jun Xiang Transient Dynamic Analysis of Distributed Energy Storage Electromagnetic Launcher Using Finite Element Method …………………….……………………..…… L. Yang, J. X. Nie, Q. J. Jiao, J. Li, and M. Ren Optimization of EM Railgun Based on Orthogonal Design Method and Harmony Search Algorithm ………………………………………………..…… Yan Yan, Tao Chao, Ping Ma, Ming Yang, and Yuwei Hu 3D FEM Analysis of a Novel Magnetic Levitation System …………………………………………………… ……………...……………………………………..…… Ugur Hasirci, Abdulkadir Balikci, Zivan Zabar, and Leo Birenbaum Enabling Scientific Collaboration and Discovery through the use of Data Standardization … …………………………………………………..……………………………………………………..…… S. Myers, B. Huhman A Novel Current Density Distribution Sensor For Use In Parallel Plate Transmission Lines … ………………………………………………………………………..……..…… K. Omar, N. Graneau, B. Novac and I. Smith ELECTROTHERMAL-CHEMICAL Numerical Estimation of Arc Plasma Thermodynamic Parameters of Electromagnetic Macroparticles Launcher ……………………..…………………………………..………… Alexander V. Plekhanov Electrothermal Tapered Capillary Hyper Jet Focused-Injection Plasma Source Concept ……… ……………………………………………………………………….………………..…… A. Leigh Winfrey and Shawn Mittal Electrothermal Energetic Plasma Source Concept for High-Enthalpy Flow and Electrothermal-Chemical Applications …………………………………………………………………………… ……………………...…..…… A. Leigh Winfrey, Mohamed A. Abd Al-Halim, Shawn Mittal, and Mohamed A. Bourham Modeling and Analysis of a Dual Channel Plasma Torch for Industrial, Space, and Launch Applications ………....…… Alexander Zielinski, Harry Fair, Leigh Winfrey, Shawn Mittal and Mohamed Bourham Experimental Study on the Temperature Compensation Effect of Plasma in a 300 ml Closed Bomb ………………………………………………..…… Jiawei Di, Yuan Li, Bing Li, Mingan Zhang, and Weiwei Zhang

IEEE Catalog Number: CFP14EML-ART 978-1-4799-2733-3/14/$31.00 © 2014 IEEE

Simulation of the Propellant Combustion by Plasma Ignition in a Closed Bomb ……………….. .…………………………………………………………………..…… Jiawei Di, Yuan Li, Bing Li, Kui Nie and Mingan Zhang Plasma Ignition Response for LOVA Gun Propellant at Low Loading Densities …………………… …………………………………………………………...…………..…… D. Åberg, P. Hermansson, A. Sättler, and D. Rakus Research on a Linear Permanent Magnet Brushless DC Motor for Electromagnetic Catapult ……………..…………………………..…… Junyong Lu, Xiao Zhang, Sai Tan, Xiaocun Guan, Weiming Ma, Sengyi Song EMALS Study on a Long Primary Moving-Magnet Type Linear Electromagnetic Catapult ……………..… ……………………………………………………………………………………………..…… Huilai Li, Xiaomin Li, Zhiyuan Li Investigation of the Inter-stator Current Control for Long Primary Winding Segmented PMLSM Used in Electromagnetic Launch System ………………..……..…… Liyi Li, He Zhu, and C.C. Chan Modeling and Circuit Analysis of an Electromagnetic Launcher System for Transient Current Waveforms …….…… Seong-Ho Kim, Sanghyuk An, Byungha Lee, Young-Hyun Lee, Kyung-Seung Yang A Novel Linear Induction Motor for Electromagnetic Aircraft Launch System ……………..……… ………………………………………………………………...…… Mu Shujun, Chai Jianyun, Sun Xudong, Wang Shanming Sensorless Control Research for Linear Induction Motor Based on Sliding Mode Observer in Electromagnetic Aircraft Launch System ………………………………………………………………………….. ………………………………………………………….... Xu Qiwei, Cui Shumei, Zhang Qianfan, Song Liwei, and Xiyuan Li Performance Analysis of Linear Induction Motor for Electromagnetic Catapult …………..……… ………..………………………………..…… Junyong Lu, Sai Tan, Xiao Zhang, Xiaocun Guan, Weiming Ma, Sengyi Song EMALS Optimal Design ……....…… Antonino Musolino, Marco Raugi, Rocco Rizzo, Luca Sani and Mauro Tucci EXPERIMENTAL TECHNIQUES Improvement of a Current Measurement Method with Loop Probes ………………….………….…… ………………………………………………………………………………………………………...…… Ronggang Cao, Jun Li The Research of the Detecting the Armature Position in the Electromagnetic Launcher Bore …………………………………………..…… Xu Weidong, Yuan Weiqun, Zhao Hui, Ding Weijie, Li Mancheng, Yan Ping Measurement of Solid Armature’s In-bore Velocity using B-dot Probes in a Series Augmented Railgun …………………………………………………...………….…..…… Shengyi Song, Cheng Cheng High Velocity Wear: Experiments and Modeling …………..…… Matthew J. Siopis and Richard S. Cowan

IEEE Catalog Number: CFP14EML-ART 978-1-4799-2733-3/14/$31.00 © 2014 IEEE

The Use of Rogowski Coils in Current Measurement …………………………………..…… John P Barber In Situ Temperature and Strain Instrumentation for Harsh Electromagnetic Environments ...………………………………………..…… R. Hoffman, T. L. Haran, J.C. James, R. B. Vaughan, C. Lamb, and N. Meraz Diagnostics for Kinematics on MTF at NRL …………………………………………………………………..…… …………………. Scott Douglass, Robert Meger, Jesse Neri, Richard Cairns III, Remington Reid, C. Carney, B. Huhman A Multiphysics Theory for the Static Contact of Deformable Conductors with Fractal Rough Surfaces ……………………………………………………………..…… J. G. Michopoulos, M. Young, and A. Iliopoulos Evaluating Material Performance between High Current Contact ………………………………………. …………………………………..…… L. Hester, L. Compton, M. Young, D. Shores, D. Wise, A. M. Iglesias and J. Mejeur Development of a Railgun Test-Bench and Methodology for Muzzle Voltage Noise Analysis .. …………………………………………………………………………………...…… Nicholas M. Rada and Thomas G. Engel

POWER CONDITIONING Design of Halbach Hybrid Excitation Compulsator ………………………………………………………...….. …………………………………………………………………..………………..… Shaopeng Wu, Shumei Cui, Weiduo Zhao Risk Evaluation for Hybrid Excitation Compulsator ………………………………………………………...… ……………………………………………………………………………..…… Shaopeng Wu, Shumei Cui and Weiduo Zhao Design and Simulation of a Novel Brushless Doubly-Fed Alternator for the Pulse Capacitor Charge Power Supply …...…… Yuan Cheng, Qingming Xin, Caiyong Ye, Xianfei Xie, Zhenxiu Lou and Yigang He Control System Based on Optical Fiber Communications for the High-Frequency High-Voltage Charging Power Supplies’ Parallel Operation ………………….………………………………..…… ……………….. Kun Liu, Yinghui Gao, Jiong Wang, Yaohong Sun, Dongdong Zhang, Ping Yan, Weiqun Yuan, Rong Xu Evaluation of a High Rate Hybrid Energy Storage Module (HESM) …………………………………….. ……………………………………..…… Isaac J. Cohen, David A. Wetz, Jay P. Kelley, John Heinzel, and Simon Donahue Capacity Fade of a High Power Battery When Evaluated for use within a Prime Power Supply …………………………………………… David A. Wetz, Biju Shrestha, Peter M. Novak, and Simon Donahue Optimized Design and Simulation of a GW-Scale Multiphase Air-Core Pulsed Alternator .…… ……………………………………………………………………… Caiyong Ye, Kexun Yu, Hua Zhang, Lei Tang, Xianfei Xie Impacts of Commutation Voltage Drop on Self-Exciting Air-Core Pulsed Alternator …………… ……………………………………………………………………………………..…… Hua Zhang, Caiyong Ye, and Kexun Yu Electromagnetic Shields of the Air-Core Compulsator …………………………………………………..…… ………………………………………………………………………...…..…… Weiduo Zhao, Shumei Cui, and Xuejiao Wang

IEEE Catalog Number: CFP14EML-ART 978-1-4799-2733-3/14/$31.00 © 2014 IEEE

Measurement of Electromagnetic Radiation Dissipation in Pulse Power Supply Discharging ………..……………………………..…… Yong Jin, Yazhou Zhang, Hui Tian, Chunxia Yang, Qinghua Lin and Baoming Li Transient Analysis of Air-Core Pulsed Alternators in Self-Excitation Mode ………………………… ………………………………………………………..…..…… Xianfei Xie, Kexun Yu, Caiyong Ye, Lei Tang, and Hua Zhang Modeling and Analysis of a Novel Magnetic Levitation Gravity Compensator ………………...…… …………………………………………………….……………..…… He Zhang, Baoquan Kou, Weiduo Zhao, and Yinru Bai Electromagnetic Launch Experiments Using a 4.8 MJ Pulsed Power Supply ……………………..… ………………………………………………………………………...…… Kyung-Seung Yang, Seong-Ho Kim, Byungha Lee, Sanghyuk An, Young-Hyun Lee, Seok Han Yoon, In Su Koo, Yun Sik Jin, Young Bae Kim, Jong Soo Kim, Chuhyun Cho Design and Analysis of a Two-Phase Two-Axis-Compensated Compulsator ……………………… ……………………………………………………..…………………………..…… Weiduo Zhao, Liwei Song and Shumei Cui Rapid Recharging Power Supply for Multiple-Hit Electrical Armor ……………………………………. Bernd Schünemann, Dr. Ulrich Schael, Gerhard Rauer, Dr. Matthias Wickert, Richard Cunrath, and Dr. Siegfried Nau The Modular Augmented Staged Electromagnetic Launcher Operated in the Energy Storage Mode ……………………………………………….…………………..…… Martin Roch, Markus Löffler, Peter Zacharias Study on the Collaborative Triggering of Multiple STRETCH Meat Grinder with ICCOS Modules …………………………………...……………………………..…… Xinjie Yu, Hui Liu, Jun Li, Zhen Li, Peizhu Liu Discussion on the Discharging Effects of Two STRETCH Meat Grinder Modules with Different Triggering Delays ……………………………………..…… Xinjie Yu, Hui Liu, Jun Li, Zhen Li, Peizhu Liu Structural Parameters Optimization for the Inductors Used in the Inductive Pulse Power Supply ………………………..…………………………………………………..…… Zhen Li, Xinjie Yu, and Shangang Ma Determining Key Parameters for the STRETCH Meat Grinder Circuit …………………………….…… ………………………………………………………………………..……………..…… Shangang Ma, Xinjie Yu, and Zhen Li Parameter Analysis and Optimized Configuration of the PFU for Inductive Storage Systems ……………………..………………………………………………………………..…… Shangang Ma, Xinjie Yu, and Zhen Li System Implementation and Testing of STRETCH Meat Grinder with ICCOS ……………………… ……………………………………………………………………………..………..…… Xinjie Yu, Shangang Ma, and Zhen Li Study on the System Efficiency of the Synchronously-triggered Capacitive Pulsed-power Supply in the Electromagnetic Railgun System ………………...… Chen Gong, Xinjie Yu, and Xiucheng Liu A Flexible Waveform Conditioning Strategy of an Air-Core Pulsed Alternator …………………… ………………………………………………………………………………………..…… Xiyuan Li, Shumei Cui, and Xin Zhao Analytical Calculation of d- and q-Axis Synchronous Reactances of Homopolar Inductor Alternator …….………………………………..…… Zhenxiu Lou, Yigang He, Yuan Cheng, Caiyong Ye, and Kexun Yu

IEEE Catalog Number: CFP14EML-ART 978-1-4799-2733-3/14/$31.00 © 2014 IEEE

Thermal Performance Study on Pulsed Inductor ………………………………………………………….…… …………………………………………………………..……………………...… Yanshun Yu, Jiannian Dong, and Jun Zhang Development on High-power and High Power Density Capacitor Charging Power Supply ...… ……………………………..…… Gao Yinghui, Liu Kun, Fu Rongyao, Wang Jiong, Pin Yan, Sun Yaohong, Yuan Weiqun Synchronization of Multiple Pulsed Alternators Discharging into an EM Launcher …………… …………………………………..…… Dr. Sid Pratap, Dr. Ray Zowarka, Mr. Tom Hotz, Mr. Scott Pish, Dr. Brian Murphy Analysis and Design of Homopolar Motors and Generators ……………………………………………….. ………………………………………………………………….……………………………..…… T. G. Engel and E. A. Kontras Voltage and Current Scaling Relationships for Electromagnetic Launchers …………… T. G. Engel Pulsed Power Options for Large EM Launchers …………………………………………..…… Ian R. McNab Development of a Rep-rated Capacitor Bank Utilizing Electrochemical Energy Storage* …… ……………………………………………………………………..…..…… B. M. Huhman, J. M. Neri, D.A. Wetz, and L. Mili PROJECTILES Further Experiments with an UHF Radio Link to a Railgun Projectile ………………………………… ……………………………………………………..…………..…… S. Hundertmark, Y. Schaeffer, D. Simicic and G.Vincent Acceleration of Aluminum Booster Projectiles with PEGASUS …………………………………………… …………………………………………………………………….…………..…… S. Hundertmark, D. Simicic and G.Vincent Aerothermodynamics Analysis of the Electromagnetically Launched Projectiles under Rarefied Gas Conditions …………………………………………………………………..…… N. Sengil and U. Sengil Thermal Protection-, Aerodynamics- and Control Simulation of an Electromagnetically Launched Projectile ………………………………………………………………...……..…… D. Lancelle and O. Božić High-Voltage Repetition-Frequency Charging Power Supply for Pulsed Laser ……………………. ……………..… Kun Liu, Rongyao Fu, Yinghui Gao, Yaohong Sun, Dongdong Zhang, Ping Yan, Weiqun Yuan, Rong Xu RAILGUN Electromechanical Performance of Rails with Different Cross-section Shapes in Railgun ….… …...........................................…………………………….…………….….... Longwen Jin, Bin Lei, Qian Zhang, Rengui Zhu On Velocity Skin Effect- Part I: Physical Principle Analysis and Equivalent Models Simulation ……….. Qing-ao Lv, Zhi-yuan Li, Bin Lei, Ke-yi Zhao, Qian Zhang, Hong-jun Xiang, and Yan-chang Xing

IEEE Catalog Number: CFP14EML-ART 978-1-4799-2733-3/14/$31.00 © 2014 IEEE

On Velocity Skin Effect- Part II: Restraining Method Analysis and Optimal Design Simulation ……….. Qing-ao Lv, Zhi-yuan Li, Bin Lei, Ke-yi Zhao, Qian Zhang, Hong-jun Xiang, and Yan-chang Xing An Approach for Eddy Current Calculation in Railguns Based on the Finite Element Method ..………..………………………………………………….……………..…… Peng Zuo, Yiqing Geng, Jun Li, Jiansheng Yuan Study on Current Concentration of Large-Caliber C-Shaped Armature at Current Ramp-up Stage in Square Railgun …………………………………………………………………………………………………… ………………………………… Liangliang Tang, Junjia He, Lixue Chen, Shengguo Xia, Deng Feng, Jun Li, and Ping Yan Optimizing Study on the concave Arc Surfaced C-Shaped Armature with Medium and Small Caliber …….…………..…… Liangliang Tang, Junjia He, Lixue Chen, Shengguo Xia, Deng Feng, Jun Li, and Ping Yan Analysis of the Asymmetry of Railgun System ………………………………………………………………...… …………………………………..……..…… Su Zizhou, Guo Wei, Zhang Tao, Huang Kai, Li Ming-tao, and Sun Xiaochao Analysis of the Dynamic Characters of C-shaped Armature in Railgun ……………………………… ……………………………………..…… Su Zi-zhou, Guo Wei, Zhang Tao, Fan Wei, Zhang Bo, Dong Zhi-qiang, Cao Bin Experimental Study of Armature Melt Wear in Solid Armature Railgun …………………………...… ………………………………..…… Lixue Chen, Zheng Xiao, Junjia He, Shengguo Xia, Deng Feng and Liangliang Tang The Influence of Mechanical Preload on Muzzle Speed in Solid Armature Railgun ……………… ………………………………………………..…… Lixue Chen, Junjia He, Shengguo Xia, Deng Feng and Liangliang Tang The Effect of Geometric Enhancement on the Magnetic Saw Effect …………………………..………… ………………………………………………………………………..…… Alex J. Sitzman, Francis Stefani, David L. Bourell Investigations on Non-Uniform Coefficients of Magnetic Pressure Distribution in Railguns …………..………………..…… Deng Feng, Junjia He, Shengguo Xia, Lixue Chen, Liangliang Tang, Jun Li, and Ping Yan Study of Properties of the Double-deck Rail in the Electromagnetic Launching System ………. ………………………………………………………………………………..…… J. X. Nie, L.Yang, Q. J. Jiao, J. Li and M. Ren Impact Physics Model and Influencing Factors of Gouging for Electromagnetic Rail Launcher ……………..…………………………..…… Rengui Zhu, Qian Zhang, Zhiyuan LI, Longwen Jin, Ruilin Wang Research on Evaluation of Electromagnetic Railgun Efficiency ………………………………………… ………………………………………………………..…… Xia Ge, Bin Cao, Juxiang Li, Xiaochao Sun and Yong Liang Yang Electromagnetic Railgun Armature Magnetic Field Measurement and Analysis Based on B-Dot Probe Signal ……………………… Bin Cao, Xia Ge, Yong Liang Yang, Juxiang Li, Xiaochao Sun and Wei Fan Effect of Geometrical Parameters on Inductance Gradient of Multiple Electromagnetic Railguns …………………………………………………..…………………..…… R. Xu, W. Q. Yuan, W. P. Cheng, P. Yan Using the SR\3-60 Railgun in Augmented Mode ..………………………..…… G. Vincent, S. Hundertmark

IEEE Catalog Number: CFP14EML-ART 978-1-4799-2733-3/14/$31.00 © 2014 IEEE

Electromagnetic-thermal Coupled Analysis of the Armature in the Electromagnetic Rail Launcher …………………………………………………..…… Wang Chengxue, Wang Huijin, Cao Yanjie, Wang min Characteristics of High Pulsed Current Electromagnetic Rail Launcher ……………………………… …….……..…… Zhao Ying, Xu Rong, Yuan Weiqun, Cheng Wenping, Yan Ping, Li Mancheng, Xie Keyu, Wang Xianbin Design and Testing a Novel Armature on Railgun …………………………………………………………… ……...… Wei Guo, Tao Zhang, Weiqun Shao, Dong Yang, Zizhou Su, Yanhui Chen, Huasa Yu, Ren Ren, and Juxiang Li Influencing Factors Study of Armature Current Distribution at Current Ramp-up in Railgun ………..…………………..…… Liangliang Tang, Junjia He, Lixue Chen, Shengguo Xia, Deng Feng, Jun Li, and Ping Yan Railgun with Steel Barrel Sections and Thermal Management System …… George Arthur Proulx Circuit Simulation Research of Electromagnetic Rail Launcher System with a View to Multi-field Characteristics ………………..……………..…… Yuan Zhou, Dongdong Zhang, Ping Yan, and Weiqun Yuan Structural Mechanics of Railguns with Open Barrels and Elastic Supports: The Influence of Multishot Operation ………..……………………… R. Stonkus, J. Račkauskas, M. Schneider and R. Kačianauskas Block Diagram Model for the Simulation of an Electromagnetic Rail Accelerator System ….… …………………………………………………………………….…… Thorbjörn Siaenen, Markus Schneider, James Hogan The Influence of the Rail Material on the Multishot Performance of the Rapid Fire Railgun (RAFIRA) ………...…… Barbara Wild, Christian Schuppler, Farid Alouahabi, Markus Schneider and Ryan Hoffman Single Shot Performance of RAFIRA ……..…… Markus Schneider, Christian Schuppler and Farid Alouahabi Simulation and Test Study on Different Structure Bore of Electromagnetic Launch ……………. …………………..…..…… Qingxia Zhang, Jun Li, Shizhong Li, Peizhu Liu, Ronggang Cao, Lixue Cheng, Weiqun Yuan Definition of the Large Enough Size of the Contact Area between Armature and Rails in Railguns ……………………………...…..…… Zejun Shen, Penghao Xie, Yiqing Geng, Peng Zuo, and Jiansheng Yuan An Investigation on Muzzle Velocity Repeatability of a Railgun …………………………………………. …………...…… Yong He, Shengyi Song, Yongchao Guan, Cheng Cheng, Wenfeng Dai, Xu Qiu, Yexun Li, Guishan Gao Resonant Shield Concept as Alternative Solution in Railguns …………………………………..………… ……………………………………...…………..…… M. Bologna, M. Marracci, R. Micheletti, M. Schneider, and B. Tellini