the auspices of National Natural Science Foundations of China(Nos.12075284 and 12205157);supported by the High-End Talents Program of Hebei Province,Innovative Approaches towards Development of Carbon-Free Clean Fusion Energy(No.2021HBQZYCSB006).
The EHL-2 spherical torus is designed to demonstrate proton-boron(p-11B)fusion within a compact spherical tokamak.Its planned heating system includes a negative ion-based neutral beam injection(N-NBI),two positive ion...
In a remarkable achievement,China’s new-generation magnetic confinement fusion device,the HL-3 tokamak(formerly known as HL-2M),achieved highconfinement mode(H-mode)operation with a plasma current of 1 mega amperes(M...
supported by National Natural Science Foundation of China(No.11875286);the National Key R&D Program of China(No.2019YFE03010002);CAS President’s International Fellowship Initiative(No.2022VMB0007)。
A broadband(BB)mode is observed by collective Thomson scattering diagnostics in repeatable shots of EAST and analyzed for the first time.This BB mode usually grows during L–H transitions,featuring a BB quasi-coherent...
supported in part by the National Key R&D Program of China(Nos.2019YFE03080200,2022YFE03030001 and2022YFE03050003);National Natural Science Foundation of China(Nos.11975271,12075284,12075283 and 12175277);the Chinese Academy of President’s International Fellowship Initiative(No.2021VMA0022);the Post-CUP program,JSPS-CAS Bilateral Joint Research Projects,‘Control of wall recycling on metallic plasma facing materials in fusion reactor’,2019–2022,(No.GJHZ201984)。
In the ELMy H-mode experiment,naturally occurring dust originating at the high-field side is clearly observed using the high-speed vacuum ultraviolet imaging system developed on the Experimental Advanced Superconducti...
supported by the National Key R&D Program of China(Nos.2022YFE03020004,2017YFE0301300,2018YFE0303104 and 2019YFE03030000);the Major Science and Technology Infrastructure Maintenance and Reconstruction Projects of the Chinese Academy of Sciences;National Natural Science Foundation of China(Nos.12275313,11922513,12005004 and U19A20113);the Institute of Energy,Hefei Comprehensive National Science Center(No.GXXT-2020-004);the Anhui Provincial Natural Science Foundation(No.2008085QA38);the Users with Excellence Program of Hefei Science Center,Chinese Academy of Sciences(No.2020HSC-UE009)。
The blob properties in I-mode and ELM-free H-mode plasmas compared to L-mode have been investigated on the EAST tokamak,including the blob detection rate Nb,sizeδb,lifetimeτb and radial velocity vr,b.The blob proper...
the National Key R&D Program of China under Grant Nos.2017YFE0301100 and 2019YFE03030004;the National Natural Science Foundation of China under Grant No.11575039;Users with Excellence Program of Hefei Science Center CAS(2020HSCUE010)。
To understand the effect of injected deuterium(D)pellets on background plasma,the ablation of D pellets and the transport of D species in both atomic and ionic states in the EAST device are simulated using a modified ...
supported by the National Key Research and Development Program of China(Grant Nos.2017YFE0301300,2017YFA0402500,and 2018YFE0303103);the National Natural Science Foundation of China(Grant Nos.12192283 and 12022511);the Users with Excellence Project of Hefei Science Center,CAS(Grant No.2018HSC-UE008);the CASHIPS Director’s Fund(Grant No.BJPY2019B01);the JSPS-CAS Bilateral Joint Research Project(Grant No.GJHZ201984);the Key Research Program of Frontier Sciences of CAS(Grant No.ZDBS-LY-SLH010)。
Neon(Ne)seeding is used to cool the edge plasma by radiation to protect the divertor tungsten(W)target in the Experimental Advanced Superconducting Tokamak(EAST).The W sputtering in the outer divertor target with Ne s...
partially supported by National Natural Science Foundation of China(Nos.11875017,11875020,12175186 and 11905052);the National Magnetic Confinement Fusion Science Program of China(Nos.2019YFE03030002,2017YFE0301203 and 2018YFE0310100);the Sichuan Outstanding Youth Science Foundation(No.2020JDJQ0019)。
A newly designed divertor Langmuir probe diagnostic system has been installed in a rare closed divertor of the HL-2A tokamak and steadily operated for the study of divertor physics involved edge-localized mode mitigat...
supported in part by the National MCF Energy R&D Program of China(Nos.2018YFE0311200,2017YFE0301204 and 2017YFE0301700);National Natural Science Foundation of China(Nos.11635008,U1967206 and 11975231)。
An electrostatic Quasi coherent mode has been observed in density fluctuations and perpendicular velocity fluctuations with the frequency range of 3–80 k Hz on the Experimental Advanced Superconducting Tokamak using ...
supported by the National Key R&D Program of China(Nos.2018YFE0311100 and 2017YFE0301205);National Natural Science Foundation of China(Nos.11905146,11775269,11575244,11575249,11575235,11422546,11805133,and U19A20113);Users with Excellence Program of Hefei Science Center,CAS(No.2019HSC-UE014);National Magnetic Confinement Fusion Science Program of China(Nos.2015GB110005,2015GB103003,2015GB101002,and 2015GB103000);Key Research Program of Frontier Sciences,CAS(No.QYZDB-SSWSLH001);CASHIPS Director’s Fund(No.BJPY2019A01);Shenzhen Clean Energy Research Institute.
The first experimental investigation of the tungsten behavior in ELMy H-mode plasmas with co-/counter neutral beam injection(NBI)and unfavor-able/favorable B t was performed on EAST.Tungsten was found to accumulate ea...