Results 31 to 40 of about 196 (116)

The RF H− ion source project at RAL [PDF]

AIP Conference Proceedings, 2018
A project to design and construct an RF-driven long-lifetime volume production ion source producing 30 mA of H− with 50 Hz repetition rate and 1.5% duty factor at 35 keV energy for the ISIS Neutron and Muon Source has been started at Rutherford Appleton Laboratory.
Tarvainen, Olli, Lawrie, Scott, Faircloth, Dan, Abel, Robert, Sarmento, Tiago Morais, Macgregor, John, Whitehead, Mark, Wood, Trevor, Lettry, Jacques, Noll, Daniel, Lallement, Jean-Baptiste, Angot, Julien, Sole, Patrick, Thuillier, Thomas   +13 more
openaire   +1 more source

Simulations of Beam Quality in a 13 MeV PET Cyclotron

Atom Indonesia, 2015
Simulation of the trajectories of negative hydrogen ion (H−) beam in a 13 MeV PET cyclotron (DECY-13) were carried out by using the Runge-Kutta (RK4) approximation method and Scilab 5.4.1.
A. Pramudita, E. Mulyani, I.A. Kudus
doaj   +1 more source

Performance prediction of radio frequency based negative ion source using fusion neural network model

Nuclear Fusion
To accelerate the development of a radio frequency negative ion source (RF-NIS), a fusion neural network model has been developed to simulate and predict the performance of RF-NIS under set working parameters.
Yu Gu, Chundong Hu, Yang Li, Yuwen Yang, Yahong Xie, Qinglong Cui, Yuanzhe Zhao   +6 more
doaj   +1 more source

Simulation modeling and electron energy distribution function studies of an electron cyclotron resonance source with a new magnetic topology

Physical Review Accelerators and Beams, 2023
A 10 GHz ECR ion source (PK-GANESA) with a new magnetic field topology was developed in a GANIL-Pantechnik collaboration. The performance of this source is analyzed through simulations of electron trajectories over a time of 20  μs to ensure both rf ...
A. Khandelwal, J.-E. Ducret, L. Maunoury, L. Garrigues   +3 more
doaj   +1 more source

First Prototype of a Cesium Oven Design for Negative-Ion-Source-Based Neutral Beam Injector at ASIPP

Energies, 2022
The RF-driven negative ion source has a steady state characteristic and will be a promising ion source for neutral beam injection (NBI) in the future.
Wei Liu, Bo Liu, Yuanzhe Zhao, Qinglong Cui, Chundong Hu, Lizhen Liang   +5 more
doaj   +1 more source

2×1010 n/s DD-neutron yield achieved in a compact RF-ion-source-driven neutron generator

Physics Open
The Institute of Energy, Hefei Comprehensive National Science Center has developed a high-yield compact deuterium-deuterium neutron generator for neutron imaging based on a RF ion source.
Zhenqing Zhu, Yuzhong Qian, Mengmeng Li, Xin Tao, Bing Hong, Renli Zhu, Xiancai Meng, Lizhen Liang, Chundong Hu   +8 more
doaj   +1 more source

Physical and technical basis of Materials Plasma Exposure eXperiment from modeling and Proto-MPEX results

Nuclear Fusion, 2023
The Materials Plasma Exposure eXperiment (MPEX) is a steady-state linear plasma device that will address plasma-material interaction (PMI) science and enable testing of fusion reactor-relevant divertor plasma-facing materials.
C. Lau, T.M. Biewer, T.S. Bigelow, J.F. Caneses, J.B.O. Caughman, R.H. Goulding, J. Rapp, the MPEX Team   +7 more
doaj   +1 more source

Three-dimensional fluid simulation of radio-frequency negative hydrogen ion source with the addition of noble gases

Nuclear Fusion
As an essential part of the neutral beam injection system for the magnetic confinement fusion devices, radio-frequency (RF) ion source is responsible for generating negative hydrogen ions.
Chao Chen, Ning Liu, Miao Zhao, Guangjiu Lei, Dongping Liu, Xianjun Sheng   +5 more
doaj   +1 more source

Progress of CRAFT negative ion source neutral beam injection test facility

Nuclear Fusion
The Comprehensive Research Facility for Fusion Technology (CRAFT) is a national large research infrastructure in China. CRAFT aims to develop the key technologies for future fusion reactor and the negative ion source neutral beam injection (NNBI) is one ...
Jianglong Wei, Wei Liu, Yongjian Xu, Yuming Gu, Yahong Xie, Na Wang, Bo Liu, Dmitrii Stepanov, Shengmin Pan, Zhigang Zhu, Bin Guo, Xiancai Meng, Xufeng Peng, Hao Wu, Liang Zhang, Chundong Hu, Lizhen Liang, CRAFT NNBI Team   +17 more
doaj   +1 more source

Radiofrequency and 2.45 GHz electron cyclotron resonance H− volume production ion sources

New Journal of Physics, 2016
The volume production of negative hydrogen ions ( ${{\rm{H}}}^{-}$ ) in plasma ion sources is based on dissociative electron attachment (DEA) to rovibrationally excited hydrogen molecules (H _2 ), which is a two-step process requiring both, hot electrons
O Tarvainen, S X Peng
doaj   +1 more source