Results 41 to 50 of about 585 (174)

Impact of creep-fatigue interaction on divertor tungsten under high heat flux

Nuclear Materials and Energy, 2023
High heat flux as 20 MW m−2 during stationary operation can be foreseen in future fusion devices, leading to recrystallization and thermal creep in tungsten targets. Both recrystallization and thermal creep impact would play significant roles in service.
Yu-Zhong Jin, Hao Wang, Xiang Liu, You-Yun Lian, Fan Feng, Jian-bao Wang, Zong-jian Chai, Jiu-Peng Song, Xu-ru Duan   +8 more
doaj   +1 more source

Survey of tungsten gross erosion from main plasma facing components in WEST during a L-mode high fluence campaign

Nuclear Materials and Energy
An initial high fluence campaign was performed in WEST, in 2023, on the newly installed actively cooled tungsten divertor composed of ITER-grade monoblocks.
N. Fedorczak, C. Arnas, L. Cappelli, L. Colas, Y. Corre, M. Diez, A. Gallo, J. Gaspar, A. Grosjean, C. Guillemaut, J.P. Gunn, C. Johnson, C. Martin, E. Tsitrone, E.A. Unterberg, J. Bucalossi   +15 more
doaj   +1 more source

Optimization of tungsten castellated structures for the ITER divertor [PDF]

Journal of Nuclear Materials, 2015
Abstract In ITER, the plasma-facing components (PFCs) of the first wall and the divertor armor will be castellated to improve their thermo-mechanical stability and to limit forces due to induced currents. The fuel accumulation in the gaps may significantly contribute to the in-vessel fuel inventory.
Litnovsky, A., Hellwig, M., Matveev, D., Komm, M., van den Berg, M., De Temmerman, G., Rudakov, D., Ding, F., Luo, G.N., Krieger, K., Sugiyama, K., Pitts, R.A., Petersson, P.   +12 more
openaire   +3 more sources

Nonthermal plasma approaches for combating implant‐associated infections: A compendious review

VIEW, EarlyView.
Implant‐associated infections pose serious clinical challenges. Non‐thermal plasma (NTP) modifications overcome this bottleneck in distinct ways relative to traditional sterilization methods. Gas‐phase plasmas generate highly energetic species, UV radiation and reactive oxygen/nitrogen species (RONS), which alter the implant surface properties.
A. M. Trimukhe, Satish Rojekar, Amol Gholap, K. Navaneetha Pandiyaraj, Mukesh Patekar, Claudia Riccardi, R. R. Deshmukh, Tomáš Kovářík, Kalim Deshmukh   +8 more
wiley   +1 more source

Threshold Currents of Vacuum Arcs With Tungsten and Copper Cathodes

High Voltage, EarlyView.
ABSTRACT This paper presents the results of an experimental study aimed at determining the threshold current for triggering a vacuum arc discharge, the probability of arc ignition and the average arc operation time depending on the current for tungsten and copper electrodes.
P. S. Mikhailov, I. L. Muzyukin, I. V. Uimanov, D. L. Shmelev, S. A. Barengolts   +4 more
wiley   +1 more source

Tungsten foil laminate for structural divertor applications – Tensile test properties of tungsten foil

Journal of Nuclear Materials, 2013
Abstract This paper is the third part of our series on tungsten foil laminates. Within the tungsten laminate project we have succeeded in ductilizing tungsten by synthesizing a tungsten laminate made of tungsten foil, which is ductile. By assembling and joining several layers of tungsten foil, the ductile properties of the foil can be extended to the
Reiser, J., Rieth, M., Möslang, A., Dafferner, B., Hoffmann, A., Yi, X., Armstrong, D. E. J.   +6 more
openaire   +3 more sources

Investigation of particle exhaust from EAST divertor

Nuclear Materials and Energy, 2022
Particle control is one of the key issues for steady-state tokamak operation. The density decay time is used to evaluate the capability of the divertor to exhaust particle with all fueling turn off.
B. Cao, L. Wang, Y.W. Yu, G.Z. Zuo, J.S. Hu   +4 more
doaj   +1 more source

Arsenite methyltransferase 3 is required for mitochondrial function and hepatic lipid metabolism

The FEBS Journal, EarlyView.
AS3MT is a protein that helps the body process arsenic, a naturally occurring toxin found in water and soil. We discovered it also helps cells make and use energy properly. Without AS3MT, cells' mitochondria do not work well, leading to fatty liver and reduced activity. Increasing AS3MT in liver cells restores energy and protects against arsenic damage,
Patrice Delaney, James Griffin, Nouf Khan, Balnur Ibrash, Matthew J. O'Connor, Tomas Venit, Elizabeth Mayela Ambrosio, Spiros A. Pergantis, Elke Ober, Piergiorgio Percipalle, Kirsten C. Sadler   +10 more
wiley   +1 more source

Dust deposition on plasma-facing substrates extracted from the WEST Tokamak

Nuclear Materials and Energy
Dust particles deposited during the first phase of operation of the WEST tokamak were collected and analysed from substrates positioned at four distinct poloidal locations along the inner wall.
Nathan Nelson, Céline Martin, Cécile Arnas, Andrea Campos, Elodie Bernard, Chijin Xiao, Lénaïc Couëdel   +6 more
doaj   +1 more source

Demonstration of suppression of dust generation and partial reduction of the hydrogen retention by tungsten coated graphite divertor tiles in LHD

Nuclear Materials and Energy, 2019
Three sets of tungsten coated graphite divertor tiles (VPS-W tiles) were installed in the closed helical divertor of the Large Helical Device (LHD) instead of the graphite divertor tiles in the 2012FY plasma campaign for examining the plasma wall ...
M. Tokitani, S. Masuzaki, T. Murase
doaj   +1 more source