Results 51 to 60 of about 519,225 (355)

WEST: Impact of wall conditions on impurity sources and core contamination for various plasma shapes*

Nuclear Materials and Energy
WEST’s unique characteristics with nearly all tungsten (W) PFCs offer an ideal platform to study plasma operations and plasma scenario development for long-pulsed, actively cooled, nearly all W-PFC tokamaks [1]. W erosion/redeposition of the PFCs and the
A. Grosjean, D.C. Donovan, P. Devynck, Fedorczak, A. Gallo, J. Gaspar, J. Gerardin, J.P. Gunn, C. Guillemaut, B. Guillermin, C.A. Johnson, S.R. Kosslow, P. Manas, S. Mazzi, D. Moiraf, P. Moreau, B. Putra, N. Rivals, E.A. Unterberg   +18 more
doaj   +1 more source

Experimental study of electron cyclotron heating assisted start-up on J-TEXT

Nuclear Fusion, 2023
Second harmonic X-mode (X2 mode) electron cyclotron heating (ECH) assisted start-up has been studied experimentally on the J-TEXT device to determine the minimum ECH power requirements to assist breakdown and develop a better physical description of the ...
Junli Zhang, Peter C de Vries, Kazunobu Nagasaki, Donghui Xia, Wei Jiang, Zhoujun Yang, Zhifeng Cheng, Li Gao, Xin Xu, Zhijiang Wang, Nengchao Wang, Yonghua Ding, Zhipeng Chen, Zhongyong Chen, Yuan Pan, J-TEXT Team   +15 more
doaj   +1 more source

COVID-19 pandemic and associated lockdown as a “Global Human Confinement Experiment” to investigate biodiversity conservation

Biological Conservation, 2020
Efforts to curtail the spread of the novel coronavirus (SARS-CoV2) have led to the unprecedented concurrent confinement of nearly two-thirds of the global population.
A. Bates, R. Primack, Paula Moraga, C. Duarte   +3 more
semanticscholar   +1 more source

Impact of COVID-19 Confinement on Physical Activity and Sedentary Behaviour in Spanish University Students: Role of Gender

International Journal of Environmental Research and Public Health, 2021
During the COVID-19 pandemic, entire populations were instructed to live in home-confinement to prevent the expansion of the disease. Spain was one of the countries with the strictest conditions, as outdoor physical activity was banned for nearly two ...
A. Rodríguez-Larrad, A. Mañas, I. Labayen, M. González-Gross, A. Espin, S. Aznar, J. Serrano-Sanchez, F. Vera-García, D. González-Lamuño, I. Ara, Luis Carrasco-Páez, J. Castro-Piñero, M. Gómez-Cabrera, S. Márquez, J. Tur, N. Gusi, P. Benito, D. Moliner-Urdiales, J. Ruiz, F. Ortega, D. Jiménez-Pavón, J. Casajús, J. Irazusta   +22 more
semanticscholar   +1 more source

Health-Related Behaviors Among School-Aged Children and Adolescents During the Spanish Covid-19 Confinement

Frontiers in Pediatrics, 2020
In response to the coronavirus disease 2019 (Covid-19) world pandemic, affected countries such as Spain enacted measures comprising compulsory confinement as well as restrictions regarding free movement.
R. López-Bueno, G. López-Sánchez, J. Casajús, J. Calatayud, A. Gil-Salmerón, I. Grabovac, M. Tully, L. Smith   +7 more
semanticscholar   +1 more source

CONFINEMENT AND LIBERATION [PDF]

, 2005
This is a review of topics which haunted me for the last 40 years, starting with spontaneous symmetry breaking and ending with gauge/string/space-time correspondence. While the first part of this article is mostly historical, the second contains some comments, opinions and conjectures which are new. This work is prepared for the volume " Fifty Years of
openaire   +2 more sources

Calorimetry measurement for energy balance and energy distribution in WEST for L-mode plasmas

Nuclear Fusion
This paper presents the energy balance of 602 pulses from four different experimental campaigns for the WEST tokamak. Different magnetic configurations have been studied, with lower single null (LSN) and upper single null (USN) configuration with ...
J. Gaspar, J. Gerardin, Y. Corre, J. Daumas, N. Fedorczak, V. Lamaison, C. Bourdelle, G. Ciraolo, A. Ekedahl, A. Gallo, N. Rivals, E. Tsitrone, the WEST Team   +12 more
doaj   +1 more source

Identification of a double decay length (λqt) heat flux deposition shape with embedded thermal measurement and neural network

Nuclear Materials and Energy
The estimation of the heat flux density distribution profiles in tokamak devices is a very important research topic for edge plasma physics purposes and also to ensure the safety of the machine.
Y. Anquetin, J. Gaspar, Y. Corre, JL. Gardarein, J. Gerardin, P. Malard, F. Rigollet, Q. Tichit, E. Tsitrone   +8 more
doaj   +1 more source

Disruption prediction for future tokamaks using parameter-based transfer learning

Communications Physics, 2023
Tokamaks are the most promising way for nuclear fusion reactors. Disruption in tokamaks is a violent event that terminates a confined plasma and causes unacceptable damage to the device.
Wei Zheng, Fengming Xue, Zhongyong Chen, Dalong Chen, Bihao Guo, Chengshuo Shen, Xinkun Ai, Nengchao Wang, Ming Zhang, Yonghua Ding, Zhipeng Chen, Zhoujun Yang, Biao Shen, Bingjia Xiao, Yuan Pan   +14 more
doaj   +1 more source

SUSY Confinement* [PDF]

Communications in Theoretical Physics, 2018
Abstract In response to the present status that searching for SUSY particles has been unsuccessful, we propose a bold scenario that SUSY particles are confined inside hadrons with a required condition of P R = 1
Zhao, Shu-Min, Li, Xue-Qian
openaire   +2 more sources