US-Japan Workshop on RF Heating and Current Drive Physics
from
Monday, March 17, 2025 (8:00 AM)
to
Wednesday, March 19, 2025 (4:15 PM)
Monday, March 17, 2025
8:30 AM
8:30 AM - 9:00 AM
Room: 4F meeting room at Heliotron experimental building
9:00 AM
Opening remarks
Opening remarks
9:00 AM - 9:10 AM
9:10 AM
1 (Plenary) Progress in including non-local finite temperature effects to FEM-based RF fullwave simulations
-
Syun'ichi Shiraiwa
(
PPPL
)
1 (Plenary) Progress in including non-local finite temperature effects to FEM-based RF fullwave simulations
Syun'ichi Shiraiwa
(
PPPL
)
9:10 AM - 9:40 AM
9:40 AM
2 (Invited) Investigation of RF Synergy Effects Between EC and LH Current Drive in EAST
-
Seung Gyou Baek
2 (Invited) Investigation of RF Synergy Effects Between EC and LH Current Drive in EAST
Seung Gyou Baek
9:40 AM - 10:10 AM
10:10 AM
Coffee break & workshop photo
Coffee break & workshop photo
10:10 AM - 10:30 AM
Room: 4F meeting room at Heliotron experimental building
10:30 AM
3 (Invited) Novel x-ray technology for long-pulse LHCD & ICRH operation at WEST
-
Luis Delgado-Aparicio
(
PPPL
)
3 (Invited) Novel x-ray technology for long-pulse LHCD & ICRH operation at WEST
Luis Delgado-Aparicio
(
PPPL
)
10:30 AM - 11:00 AM
11:00 AM
4 Two-dimensional axisymmetric finite element simulation of lower hybrid waves with an iterative scheme
-
Fumiya Adachi
(
The Univeristy of Tokyo
)
4 Two-dimensional axisymmetric finite element simulation of lower hybrid waves with an iterative scheme
Fumiya Adachi
(
The Univeristy of Tokyo
)
11:00 AM - 11:30 AM
11:30 AM
Lunch break
Lunch break
11:30 AM - 1:00 PM
Room: 4F meeting room at Heliotron experimental building
1:00 PM
5 Kinetic full-wave analysis in tokamak plasmas using integral form of dielectric tensors
-
Atsushi Fukuyama
(
Kyoto University
)
5 Kinetic full-wave analysis in tokamak plasmas using integral form of dielectric tensors
Atsushi Fukuyama
(
Kyoto University
)
1:00 PM - 1:30 PM
1:30 PM
6 (Invited) Sheath rectification on WEST
-
Wouter Tierens
(
ORNL
)
6 (Invited) Sheath rectification on WEST
Wouter Tierens
(
ORNL
)
1:30 PM - 2:00 PM
2:00 PM
7 EC technology development activities at Kyoto Fusioneering
-
Toru Tsujimura
(
Kyoto Fusioneering Ltd.
)
7 EC technology development activities at Kyoto Fusioneering
Toru Tsujimura
(
Kyoto Fusioneering Ltd.
)
2:00 PM - 2:30 PM
2:30 PM
2:30 PM - 4:00 PM
Room: 4F meeting room at Heliotron experimental building
4:00 PM
Adjourn
Adjourn
4:00 PM - 4:10 PM
Tuesday, March 18, 2025
8:30 AM
8 Simulation study of ECH multiple resonance heating and energetic electron generation in the QUEST
-
Sadayoshi Murakami
(
Kyoto University
)
8 Simulation study of ECH multiple resonance heating and energetic electron generation in the QUEST
Sadayoshi Murakami
(
Kyoto University
)
8:30 AM - 9:00 AM
9:00 AM
9 (Invited) First results on ECH and plans for ICRF Heating on WHAM
-
Cary Forest
(
University of Wisconsin, Madison
)
9 (Invited) First results on ECH and plans for ICRF Heating on WHAM
Cary Forest
(
University of Wisconsin, Madison
)
9:00 AM - 9:30 AM
9:30 AM
Coffee break & workshop photo
Coffee break & workshop photo
9:30 AM - 9:45 AM
Room: 4F meeting room at Heliotron experimental building
9:45 AM
10 EC current start-up using a retarding electric field in the QUEST spherical tokamak and a future plan for the next ECH experiments
-
Takumi Onchi
(
Kyushu University
)
10 EC current start-up using a retarding electric field in the QUEST spherical tokamak and a future plan for the next ECH experiments
Takumi Onchi
(
Kyushu University
)
9:45 AM - 10:15 AM
10:15 AM
11 (Invited) Automated robust machine learning enhanced ICRF heating predictions
-
Alvaro Sanchez-Villar
(
Princeton Plasma Physics Laboratory / Princeton University
)
11 (Invited) Automated robust machine learning enhanced ICRF heating predictions
Alvaro Sanchez-Villar
(
Princeton Plasma Physics Laboratory / Princeton University
)
10:15 AM - 10:45 AM
10:45 AM
12 Multiphysics Analysis of Gyrotrons for a Helical Fusion Reactor Using the 3D Electromagnetic Field Simulator CST Studio
-
Kenichi Kaneta
(
Helical Fusion co., ltd.
)
12 Multiphysics Analysis of Gyrotrons for a Helical Fusion Reactor Using the 3D Electromagnetic Field Simulator CST Studio
Kenichi Kaneta
(
Helical Fusion co., ltd.
)
10:45 AM - 11:15 AM
11:15 AM
13 Status of LHD ECH system for next campaign and related topics
-
Masaki Nishiura
(
National Institute for Fusion Science
)
13 Status of LHD ECH system for next campaign and related topics
Masaki Nishiura
(
National Institute for Fusion Science
)
11:15 AM - 11:45 AM
11:45 AM
Lunch break
Lunch break
11:45 AM - 1:00 PM
Room: 4F meeting room at Heliotron experimental building
1:00 PM
14 (Plenary) Recent DIII-D Results on Electron Heating and Current Drive with Helicon Waves at 476 MHz
-
Robert Pinsker
(
General Atomics
)
14 (Plenary) Recent DIII-D Results on Electron Heating and Current Drive with Helicon Waves at 476 MHz
Robert Pinsker
(
General Atomics
)
1:00 PM - 1:30 PM
1:30 PM
15 Investigation of Influence of the Doppler Effect on Electron Cyclotron Heating in the Large Helical Device
-
Ryohma Yanai
(
NIFS
)
15 Investigation of Influence of the Doppler Effect on Electron Cyclotron Heating in the Large Helical Device
Ryohma Yanai
(
NIFS
)
1:30 PM - 2:00 PM
2:00 PM
16 (Invited) Wave-filament Interaction Experiments on the LArge Plasma Device (LAPD)
-
Joshua Larson
(
University of California, Los Angeles
)
16 (Invited) Wave-filament Interaction Experiments on the LArge Plasma Device (LAPD)
Joshua Larson
(
University of California, Los Angeles
)
2:00 PM - 2:30 PM
2:30 PM
17 (Invited) Installation, Commissioning, and Experimental Campaign of the High Field Side Lower Hybrid Current Drive Experiment on DIII-D
-
Andrew Seltzman
(
MIT
)
17 (Invited) Installation, Commissioning, and Experimental Campaign of the High Field Side Lower Hybrid Current Drive Experiment on DIII-D
Andrew Seltzman
(
MIT
)
2:30 PM - 3:00 PM
3:00 PM
Coffee break
Coffee break
3:00 PM - 3:15 PM
Room: 4F meeting room at Heliotron experimental building
3:15 PM
18 Identification of coexisting local and non-local turbulence using modulated electron cyclotron heating method
-
Naoki Kenmochi
(
National Institute for Fusion Science
)
18 Identification of coexisting local and non-local turbulence using modulated electron cyclotron heating method
Naoki Kenmochi
(
National Institute for Fusion Science
)
3:15 PM - 3:45 PM
3:45 PM
19 Diagnostic plan of ECE and ECE Imaging in the Compact Helical Device
-
Daiki Nishimura
(
National Institute for Fusion Science
)
19 Diagnostic plan of ECE and ECE Imaging in the Compact Helical Device
Daiki Nishimura
(
National Institute for Fusion Science
)
3:45 PM - 4:05 PM
4:05 PM
20 Nonlinear Gaussian Process Tomography with non-negative constraint for Spatially Resolved Plasma Analysis in RT-1
-
Kenji Ueda
(
National Institute for Fusion Science
)
20 Nonlinear Gaussian Process Tomography with non-negative constraint for Spatially Resolved Plasma Analysis in RT-1
Kenji Ueda
(
National Institute for Fusion Science
)
4:05 PM - 4:25 PM
4:25 PM
Adjourn
Adjourn
4:25 PM - 4:35 PM
4:25 PM - 5:25 PM
Room: Heliotron experimental building
6:30 PM
6:30 PM - 8:30 PM
Wednesday, March 19, 2025
8:30 AM
21 (Invited) Dual utilization of X-I and O-I ECCD for fully solenoid-free operations for a fusion reactor
-
Masayuki Ono
(
PPPL, Princeton University
)
21 (Invited) Dual utilization of X-I and O-I ECCD for fully solenoid-free operations for a fusion reactor
Masayuki Ono
(
PPPL, Princeton University
)
8:30 AM - 9:00 AM
9:00 AM
22 (Invited) Interpretive Modeling of Tungsten Erosion and Transport at RF Antenna Structures in the WEST Tokamak
-
Atul Kumar
(
Oak Ridge National Laboratory, USA
)
22 (Invited) Interpretive Modeling of Tungsten Erosion and Transport at RF Antenna Structures in the WEST Tokamak
Atul Kumar
(
Oak Ridge National Laboratory, USA
)
9:00 AM - 9:30 AM
9:30 AM
Coffee break & workshop photo
Coffee break & workshop photo
9:30 AM - 9:45 AM
Room: 4F meeting room at Heliotron experimental building
9:45 AM
23 Reconstruction of electron velocity distribution function and Gibbs entropy from electron cyclotron emission spectrum
-
Eiichirou Kawamori
(
Institute of Space and Plasma Sciences, National Cheng Kung University, Taiwan
)
23 Reconstruction of electron velocity distribution function and Gibbs entropy from electron cyclotron emission spectrum
Eiichirou Kawamori
(
Institute of Space and Plasma Sciences, National Cheng Kung University, Taiwan
)
9:45 AM - 10:15 AM
10:15 AM
10:15 AM - 11:00 AM
11:00 AM
Adjourn
Adjourn
11:00 AM - 11:10 AM