Volume 72

Study of Outgassing and Removal of Tritium from Metallic Construction Materials of ITER Vacuum Vessel Components

A. N. Perevezentsev, L. A. Bernstein, L. A. Rivkis, I. G. Prykina, V. V. Aleksandrov, I. A. Ionessian, M. I. Belyakov, I. B. Kuprianov

Design and Evaluation of Nuclear System for ARIES-ACT2 Power Plant with DCLL Blanket

L. El-Guebaly, L. Mynsberge, A. Davis, C. D’Angelo, A. Rowcliffe, B. Pint, ARIES-ACT Team

Measurement and Analysis of Electromagnetic Pulse from Laser-Target Interaction at ShenGuang II Laser Facility

J. W. Yang, T. S. Li, T. Yi, C. K. Wang, M. Yang, W. M. Yang, S. Y. Liu, S. E. Jiang, Y. K. Ding

A Parametric Model for Contribution of Superthermal Electrons to Oblique Measurement Electron Cyclotron Spectra Under ITER-Like Conditions

P. V. Subhash, Amit Kumar Singh, Hitesh Pandya, V. S. Divya, M. P. Aparna, T. K. Basitha Thanseem

Recent Advances of Scintillator-Based Escaping Fast Ion Diagnostics in Toroidal Fusion Plasmas in Japan, Korea, and China

Mitsutaka Isobe, Junghee Kim, Yipo Zhang, Jiafeng Chang, Kunihiro Ogawa, Jun Young Kim, Yi Liu, Liqun Hu

Determination of Doped Concentrations in ICF Shells by X-Ray Equivalent Absorption

Zongwei Wang, Qi Wang, Xiaojun Ma, Dangzhong Gao, Xiaoshan He, Jie Meng, Kai Jiang, Yong Hu, Qianqian Gu, Xue Chen, Weichao Tong, Xing Tang

Design, Construction, and Operation of the Compact Toroidal Hybrid

G. J. Hartwell, S. F. Knowlton, J. D. Hanson, D. A. Ennis, D. A. Maurer

Design of a Data Acquisition System in the Cooling Test for ITER Radial X-Ray Camera

Bin Zhang, Shi Li, Sheng Zhang, Yebin Chen, Liqun Hu

A New Numerical Technique for the Inverse Problem in Thomson Scattering and Its Application to Experimental and Synthetic Spectra

J. Guasp, F. Castejón, I. Pastor, R. F. Álvarez-Estrada

The Spatially Distributed Neutron Activation Diagnostic FNADs at the National Ignition Facility

C. B. Yeamans, D. L. Bleuel

A Real-Time Hard X-Ray Tomographic System During Lower Hybrid Current Drive on HL-2A Tokamak

C. Yuan, W. W. Fan, Y. F. Zhao, Z. H. Liu, J. Cao, G. L. Yuan, Z. J. Yin

Design of a Feedback Control System for Keda Torus Experiment Equilibrium Field Power Supply

Wei Bai, Tao Lan, Lei Yang, Chijin Xiao, Hong Li, Wenzhe Mao, Wei You, Hangqi Xu, Tijian Deng, Junfeng Zhu, Bing Luo, Peng Fu, Xiaohui Wen, Haiyang Zhou, Hai Wang, Shude Wan, Adi Liu, Jinlin Xie, Weixing Ding, Wandong Liu

Manufacturing and Testing of Multiaperture and Multichannel Grids for the Prototype Negative Ion Source for CFETR-NBI System

Yuming Gu, Jun Li, Jianglong Wei, Yahong Xie, Lizhen Liang, Chundong Hu

Beam Sweeping for Long-Pulse Operation of an Ion Source in Neutral Beam Injectors

Doo-Hee Chang, Tae-Seong Kim, Min Park, Bong-Ki Jung, Seung Ho Jeong, Kwang Won Lee, Sang Ryul In, Atsushi Kojima, Mieko Kashiwagi, Masaya Hanada, Young-Soon Bae, Jong-Gu Kwak

Confinement Tuning of a 0-D Plasma Dynamics Model

Maxwell D. Hill, Weston M. Stacey

Analysis of Ingress of Coolant Accident to the Vacuum Vessel of the W7-X Fusion Experimental Facility

Tadas Kaliatka, Eugenijus Uspuras, Algirdas Kaliatka

The Cooling Performance Improvement of First Wall Using He/CO₂ Binary Mixtures Gas for CN HCCB TBM

Haifei Deng, Desheng Cheng, Weihua Wang, Kaiping Li, Bo Shi, Jinhong Yang

Current Status of Large Helical Device and Its Prospect for Deuterium Experiment

M. Osakabe, Y. Takeiri, T. Morisaki, G. Motojima, K. Ogawa, M. Isobe, M. Tanaka, S. Murakami, A. Shimizu, K. Nagaoka, H. Takahashi, K. Nagasaki, H. Takahashi, T. Fujita, Y. Oya, M. Sakamoto, Y. Ueda, T. Akiyama, H. Kasahara, S Sakakibara, R. Sakamoto, M. Tokitani, H. Yamada, M. Yokoyama, Y. Yoshimura, LHD Experiment Group

The Challenges of Plasma Material Interactions in Nuclear Fusion Devices and Potential Solutions

J. Rapp

Progress in the U.S./Japan PHENIX Project for the Technological Assessment of Plasma Facing Components for DEMO Reactors

Yutai Katoh, Daniel Clark, Yoshio Ueda, Yuji Hatano, Minami Yoda, Adrian S. Sabau, Takehiko Yokomine, Lauren M. Garrison, J. Wilna Geringer, Akira Hasegawa, Tatsuya Hinoki, Masashi Shimada, Dean Buchenauer, Yasuhisa Oya, Takeo Muroga

Recent R&D Results on Fusion Nuclear Technology for ITER and DEMO Reactor in Japan

Toshihiko Yamanishi, Norikiyo Koizumi, Masataka Nakahira, Yoshihiko Nunoya, Satoshi Suzuki, Hiroyuki Tobari, Mieko Kashiwagi, Takaaki Isono, Takashi Inoue, Makoto Sugimoto, Yoshinori Kusama, Yoshinori Kawamura, Hiroyasu Tanigawa, Masaru Nakamichi, Takashi Nozawa, Tsuyoshi Hoshino, Yoshio Ueda, Yuji Hatano, Takeo Muroga, Satoshi Fukada

Examples of What Fusion Energy Can Contribute to the Near Term Needs of Society Before We Build the First Fusion Power Plant

G. L. Kulcinski, J. F. Santarius

An Improved Near Term 14 MeV Neutron Test Facility for Fusion Power Plant Materials

G. L. Kulcinski, Ross F. Radel, Andrew Davis

Study on the Thermally-Induced Stress and Relaxation of Ceramic Breeder Pebble Beds

Mahmoud Lotfy, Alice Ying, Mohamed Abdou, Yi-Hyun Park, Seungyon Cho

Transient Hot-Wire Experimental System for Measuring the Effective Thermal Conductivity of a Ceramic Breeder Pebble Bed

Christopher Kang, Yi-Hyun Park, Jon T. Van Lew, Alice Ying, Mohamed Abdou, Seungyon Cho

Parametric Thermal and Flow Analysis of ITER Diagnostic Shield Module

A. Khodak, Y. Zhai, W. Wang, R. Feder, G. Loesser, D. Johnson

Computational Investigation of the Thermal-Hydraulic Performance for Twisted Tape Enabled High Heat Flux Components

E. Clark, A. Lumsdaine, K. Ekici, A. Ruggles

Overview of Thermal Hydraulics of Helium-Cooled Solid Divertors

M. Yoda, S. I. Abdel-Khalik

An Experimental Investigation of the Effect of Jet-to-Surface Distance on the Thermal Hydraulics of the Helium-Cooled Modular Divertor with Multiple Jets

B. Zhao, S. A. Musa, S. I. Abdel-Khalik, M. Yoda

Optimization of Multiple Jet Arrays for Helium-Cooled Finger-Type Divertors

B. Zhao, S. A. Musa, S. I. Abdel-Khalik, M. Yoda

Reversed Heat Flux Study of Impinging-Jet Water Cooling for Helium-Cooled Finger-Type Divertors

S. A. Musa, B. Zhao, S. I. Abdel-Khalik, M. Yoda

Analysis of the ITER ECH Waveguide Transmission Line Expansion Unit

Claire Luttrell, Ethan Coffey, Ira Griffith, Greg Hanson, Arnold Lumsdaine, Chuck Schaich

Design and Commissioning of a Three-Barrel Shattered Pellet Injector for DIII-D Disruption Mitigation Studies

S. Meitner, L. R. Baylor, N. Commaux, D. Shiraki, S. Combs, T. Bjorholm, T. Ha, W. McGinnis

ITER ECH Switch Design and Analysis

Dennis L. Youchison, Alex M. Melin, Arnold Lumsdaine, Charles R. Schaich, Gregory R. Hanson

Design, Analysis, and Testing of a Hot Calibration Source for the ITER-ECE Diagnostic System

A. Ouroua, J. H. Beno, A. Bryant, D. Weeks, P. Phillips, W. L. Rowan

Characterization of He-Induced Bubble Formation in Tungsten due to Exposure from an Electron Cyclotron Resonance Plasma Source

D. Donovan, D. Buchenauer, J. Whaley, G. Wright, C. M. Parish, X. Hu

Design Approach for FESS-FNSF In-Vessel Components and Constraints Imposed On Radial/Vertical Build Definition

L. El-Guebaly, M. Elias, B. Madani, C. Martin, E. Marriott, FESS-FNSF Team

ST-Based Fusion Nuclear Science Facility: Breeding Issues and Challenges of Protecting HTS Magnets

L. El-Guebaly, M. Harb, A. Davis, J. Menard, T. Brown

Lead Benchmark Experiment with DT Neutrons at JAEA/FNS

Saerom Kwon, Masayuki Ohta, Satoshi Sato, Chikara Konno, Kentaro Ochiai

Analysis of Radiation Transport due to Activated Coolant in the ITER Neutral Beam Injection Cell

Katherine Royston, Stephen Wilson, Joel Risner, Ahmad Ibrahim, Michael Loughlin

Experiment to Recover Tritium from Li-Pb Blanket and Understanding Chemistry of the Li₁₇Pb₈₃–H System

Satoshi Fukada, Mao Kinjyo, Takuji Oda, Terunori Nishikawa, Kadzunari Katayama

Thermal Design Investigation for a Flinabe Blanket System

Hiroki Shishido, Noritaka Yusa, Hidetoshi Hashizume, Yoshiki Ishii, Norikazu Ohtori

Japanese Fusion Materials Development Path to DEMO

Takeo Muroga, Hiroyasu Tanigawa

Fatigue Properties of SiC/SiC Composites Under Various Loading Modes

Shuhei Nogami, Takashi Nozawa, Daichi Kawai, Wenhai Guan, Akira Hasegawa

Gas Gun Model and Comparison to Experimental Performance of Pipe Guns Operating with Light Propellant Gases and Large Cryogenic Pellets

S. K. Combs, J. R. Reed, M. S. Lyttle, L. R. Baylor, J. R. Carmichael, T. E. Gebhart, S. J. Meitner, D. A. Rasmussen

Characterization of Tritium Isotopic Permeation Through ARAA in Diffusion Limited and Surface Limited Regimes

Hongjie Zhang, Alice Ying, Mohamed Abdou, Masashi Shimada, Bob Pawelko, Seungyon Cho

Performance Testing of a Prototype Pd-Ag Diffuser

Gregg A. Morgan, Brittany J. Hodge, Anita S. Poore

Numerical Stress Analysis During Cooldown and Compressive Loading in an Imperfect Nb₃Sn Wire

Luc d’Hauthuille, Yuhu Zhai

Quench Propagation in a TF Coil of the EU DEMO

L. Savoldi, R. Bonifetto, A. Brighenti, V. Corato, L. Muzzi, S. Turtu’, R. Zanino, A. Zappatore

Expanding Operational Space in Inertial Electrostatic Confinement D-D Neutron Generators

Matt K. Michalak, Aaron N. Fancher, Gerald L. Kulcinski, John F. Santarius

Identification of Landmines and IEDs Using Compact Fusion Neutron Sources on Drones

G. L. Kulcinski, J. F. Santarius, K. Johnson, A. Megahed, R. L. Bonomo

Historical Fission Plant Availability and the Operation Goal for a Fusion DEMO

Lee C. Cadwallader

Reducing the Peak-to-Average-Power-Ratio in Fusion Blankets

Marco Riva, Christian Di Sanzo, Mohamed Abdou, Mahmoud Youssef

Modeling of Electromagnetic Loads on DEMO First Stage Divertor

Valter Cocilovo, Giuseppe Ramogida

Progress in the Development of a Double Stub Tuner for Alcator C-Mod Lower Hybrid Current Drive System

P. Koert, D. Terry, E. Fitzgerald, S. Wukitch

Recent Upgrades of the DIII-D Impurity Granule Injector

M. S. Vorenkamp, A. Nagy, A. Bortolon, R. Lunsford, R. Maingi, D. K. Mansfield, A. L. Roquemore

Design and Preliminary Results of Matching Network for MW Scale High Current RF Ion Source

Caichao Jiang, Chundong Hu, Yahong Xie, Yongjian Xu, Shiyong Chen, Qinglong Cui, Yuanzhe Zhao, Yuanlai Xie

Upgrade to DIII-D National Fusion Facility PCS and Neutral Beam Systems: In-Shot Variation of Neutral Beam Particle Energy

J. Rauch, D. C. Pace, B. Crowley, R. D. Johnson, D. H. Kellman, C. J. Pawley, J. T. Scoville

Update on Cooling for the ITER ECH Waveguide Transmission Line

Ethan Coffey, Greg Hanson, David Hill, Timothy Jones, Arnold Lumsdaine, Claire Luttrell, Chuck Schaich

3-D Neutronics Assessment of Tritium Breeding Capacity and Shielding of Tokamak-Based Fusion Nuclear Science Facility

M. Harb, L. El-Guebaly, A. Davis, P. Wilson, E. Marriott, J. Benzaquen, FESS-FNSF Team

Demonstration of Passive Tritium Oxidation Using a Hydrophobic Catalytic Recombiner for Detritiation System

Yasunori Iwai, Yuki Edao, Katsumi Sato

HIP Joining of Tungsten Armor to Ferritic-Martensitic Steel with a Zirconium Interlayer

Yang-Il Jung, Hyun-Gil Kim, Dong-Won Lee, Yoon-Soo Lim, Seungyon Cho

Ultrasonic Doppler Velocimetry Experiment of Lead-Lithium Flow with Oroshhi-2 Loop

Yoshitaka Ueki, Yuya Noguchi, Juro Yagi, Teruya Tanaka, Takehiko Yokomine, Masaru Hirabayashi, Kuniaki Ara, Tomoaki Kunugi, Akio Sagara

Design Strategy and Recent Design Activity on Japan’s DEMO

Kenji Tobita, Nobuyuki Asakura, Ryoji Hiwatari, Youji Someya, Hiroyasu Utoh, Kazunari Katayama, Arata Nishimura, Yoshiteru Sakamoto, Yuki Homma, Hironobu Kudo, Yuya Miyoshi, Makoto Nakamura, Shunsuke Tokunaga, Akira Aoki, the Joint Special Design Team for Fusion DEMO

Engineering Challenges of W7-X: Improvement of Numerical Modeling and Mechanical Monitoring After Commissioning and First Phase of Operation

V. Bykov, J. Zhu, A. Carls, J. Fellinger, P. van Eeten, H.-S. Bosch, L. Wegener

Radiation In-Port Cross-Talks for ITER Port Diagnostics

Arkady Serikov, Ulrich Fischer, David Anthoine, Luciano Bertalot, Maarten De Bock, Richard O’Connor, Rafael Juarez, Vitaly Krasilnikov

Manufacture and Initial Thermo-Fluid Measurements on a Heat Sink Module for Potential Applications in a DEMO

J. R. Nicholas, P. T. Ireland, D. Hancock, D. Robertson

The Influence of Microstructure on Deuterium Retention in Polycrystalline Tungsten

L. M. Garrison, F. W. Meyer, M. E. Bannister

Vacuum System and Modeling for the Materials Plasma Exposure Experiment

Arnold Lumsdaine, Steve Meitner, Van Graves, Craig Bradley, Chris Stone, Timothy Lessard, Dean McGinnis, Juergen Rapp, Tom Bjorholm, Robert Duckworth, Venugopal Varma

Progress in the Development of a High Power Helicon Plasma Source for the Materials Plasma Exposure Experiment

R. H. Goulding, J. B. O. Caughman, J. Rapp, T. M. Biewer, T. S. Bigelow, I. H. Campbell, J. F. Caneses, D. Donovan, N. Kafle, E. H. Martin, H. B. Ray, G. C. Shaw, M. A. Showers

Nuclear Heating and Radiation Damage in the NBI Region of the ITER Vacuum Vessel

Tim D. Bohm, Edward P. Marriott, Mohamed E. Sawan

A New RANS Model in Turbulent Channel Flow Imposed Wall-Normal Magnetic Field with Heat Transfer

Yoshinobu Yamamoto, Naoki Osawa, Tomoaki Kunugi

Radioactive Waste Studies in the Frame of the IEA Cooperative Program on the Environmental, Safety, and Economic Aspects of Fusion Power

M. Zucchetti, Z. Chang, L. El-Guebaly, Jung-Hoon Han, B. Kolbasov, V. Khripunov, M. Riva, Y. Someya, R. Testoni, K. Tobita

Design and Analysis of 140-Degree Miter Bend for High Power Electron Cyclotron Heating Transmission Lines

Joseph B. Tipton, Jr., Arnold Lumsdaine, Charles Schaich, Gregory R. Hanson

A High Power Helicon Antenna Design for DIII-D

A Nagy, J. deGrassie, C. Moeller, M. Hansink, B. Fishler, C. Murphy, R. I. Pinsker, H. Torreblanca, J. Tooker

3D Thermal Analysis for CFETR Pre-Superheated Water-Cooled Blanket

A. Khodak, P. Titus, T. Brown, J. Klabacha, H. Nielsen, X. Cheng, S. Liu

The Design and Use of Tungsten Coated TZM Molybdenum Tile Inserts in the DIII-D Tokamak Divertor

K. Holtrop, D. Buchenauer, C. Chrobak, C. Murphy, R. Nygren, E. Unterberg, M. Zach

Electro-Magnetic Analysis of the ITER Upper Visible Infrared Wide Angle Viewing System

M. Smith, Y. Zhai, A. Jariwala, T. Edgemon, L. Konkel, M. Smiley, J. Vasquez, A. L. Verlaan, J. A. C. Heijmans

Impact Property of Low-Activation Vanadium Alloy NIFS-HEAT-2 After Electron Beam Welding and Neutron Irradiation

Takuya Nagasaka, Haiying Fu, Nobuyuki Kometani, Takeshi Miyazawa, Takeo Muroga, Hideo Watanabe, Masanori Yamazaki, Takeshi Toyama

Hydrogen Isotope Retention and Permeation in Neutron-Irradiated Tungsten and Tungsten Alloys Under PHENIX Collaboration

Masashi Shimada, Yasuhisa Oya, Dean A. Buchenauer, Yuji Hatano

Fabrication Issues of Sandwich-Like Flow Inserts for Circular Pipes

C. Koehly, L. Bühler

Selective Laser Sintering as Manufacturing Process for the Realization of Complex Nuclear Fusion and High Heat Flux Components

Heiko Neuberger, Joerg Rey, Manuel Hees, Edeltraud Materna-Morris, Daniel Bolich, Jarir Aktaa, Andreas Meier, Stephen Fischer, Cornelia Schorle, Uwe Fuhrmann, Rainer Heger, Ivo Dlouhý, Ludek Stratil, Bernhard Kloetzer

Feasibility of Utilizing Tungsten Rod for Fusion Reactor Divertor

Shuhei Nogami, Wenhai Guan, Akira Hasegawa, Makoto Fukuda

Dissimilar-Metals Bonding Between NIFS-HEAT-2 Vanadium Alloy and Hastelloy X Nickel Alloy by Controlling Intermetallics

Haiying Fu, Takuya Nagasaka, Teruya Tanaka, Akio Sagara, Hisashi Serizawa, Yuhki Satou

EM Loads on ITER Diagnostics Equatorial Port Plug 9 and Its In-Port Components During Plasma Disruptions

Jingping Chen, Yuhu Zhai, Russell Feder

Ablation Simulation of Tungsten-Alternative Plasma-Facing Components due to Edge Localized Modes and Hard Disruptions

Jonathan Coburn, Mohamed Bourham

Heat Transfer Performance of a Water Impinging Jet Flow in a Metal Particle Bed

Kio Takai, Yoshiki Indou, Kazuhisa Yuki, Koichi Suzuki, Akio Sagara

Adiabatic Compression of a Compact Torus

S. Woodruff, J. E. Stuber, C. Bowman, P. E. Sieck, P. A. Melnik, C. A. Romero-Talamás, J. B. O’Bryan, R. L. Miller

Implantation of 30 keV Helium into Graphene-Coated Tungsten

M. X. Navarro, R. R. Delgado, M. G. Lagally, G. L. Kulcinski, J. F. Santarius

Preliminary Results of He Implantation in Tungsten at Angled Incidence in DAISIE

Matthew J. Jasica, Gerald L. Kulcinski, John F. Santarius

Numerical Simulation of the Interaction Between Z-Pinch Plasma and Foam Converter Using Code MULTI (#18353)

Fuyuan Wu, Rafael Ramis, Zhenghong Li, Yanyun Chu, Jianlun Yang, Zhen Wang, Shijiang Meng, Zhanchang Huang, Jiaming Ning

Neutron Generation in CANDOR, an Advanced-Fuel Fusion Experiment

M. Zucchetti, M. Riva, R. Testoni, L. Candido, B. Coppi

Thermohydraulic Assessment for the Modified Concept of the K-DEMO Divertor Target

Sungjin Kwon, Kihak Im, Jong Sung Park

Hydrogen Permeation Through Fluoride Molten Salt Mixed with Ti Powder

Ryosuke Nishiumi, Satoshi Fukada, Jun Yamashita, Kazunari Katayama, Akio Sagara, Juro Yagi

Study on Tritium Production Using a High-Temperature Gas-Cooled Reactor for Fusion Reactors: Evaluation of Tritium Outflow by Non-Equilibrium Diffusion Simulations

S. Nagasumi, H. Matsuura, K. Katayama, T. Otsuka, M. Goto, S. Nakagawa

Components Design and Analysis for the HCCR TBM Preliminary Design

Dong-Jun Kim, Seong Dae Park, Dong Won Lee, Mu-Young Ahn

Stress Analysis of the K-DEMO Vacuum Vessel

Han Zhang, Peter H. Titus, Thomas Brown

Characteristics of Gas Mixture Supply/Pressure Control Using Non-Evaporable Getters in a Discharge-Type Fusion Neutron Source

Yasushi Yamamoto, Hiroki Konda, Yuki Matsuyama, Hodaka Osawa, Masami Ohnishi

Assesment of Pumping Requirements in DEMO Reactor

Yu. Igitkhanov, Ch. Day, P. Lang, B. Plöckl

Impact of Annealing on Deuterium Retention Behavior in Damaged W

Shodai Sakurada, Yuki Uemura, Hiroe Fujita, Keisuke Azuma, Takeshi Toyama, Naoaki Yoshida, Tatsuya Hinoki, Sosuke Kondo, Yuji Hatano, Masashi Shimada, Dean Buchenauer, Takumi Chikada, Yasuhisa Oya

Evaluation of Interface and Cohesion Shear Strength of Mechanical Lap-Joint Between HTS Coated Conductors Intended for Segmented HTS Magnet

Luis E. Aparicio F., Satoshi Ito, Hidetoshi Hashizume

Study on Thermal Mixing of MHD Liquid Metal Free-Surface Film Flow

Koji Kusumi, Tomoaki Kunugi, Takehiko Yokomine, Zensaku Kawara, Egemen Kolemen, Hantao Ji, Erik P. Gilson

Numerical Investigation on Cooling Performance of Breeding Zone in HCCR TBM

Seong Dae Park, Dong Won Lee, Dong Jun Kim, Seungyon Cho