Understanding LOC/SOC phenomenology in tokamaks [PDF]
, 2020 Phenomenology of Ohmic energy confinement saturation in tokamaks is reviewed. Characteristics of the linear Ohmic confinement (LOC) and saturated Ohmic confinement (SOC) regimes are documented and transformations in all transport channels across the LOC ...
Grierson, BA +19 more
core +1 more source
Study on the electron acceleration in the interaction of two relativistic laser beams with under-dense plasma [PDF]
مجله علوم و فنون هستهای, 2022 This paper applied two intense relativistic beams to low-density plasma under different conditions. The effect of the distance and the angle between these two beams on the acceleration of electrons were investigated.
S.A. Ghasemi +2 more
doaj +1 more source
The effect of laser polarization on radiation reaction trapping of the electrons in ultra high power laser interaction with rarified plasma [PDF]
مجله علوم و فنون هستهای, 2021 In ultra-high power laser interaction with plasma, quantum electrodynamics phenomena such as high energy photon emission by electrons, radiation reaction trapping, and anti-particle creation can affect the interaction mechanism.
M. Pishdast +2 more
doaj +1 more source
Dependency of the stochastic heating of electrons on the pulse rise-time in intense laser-plasma interaction [PDF]
مجله علوم و فنون هستهای, 2021 In this paper, the effects of the pulse rise-time in the performance of the electron heating in the interaction of intense laser pulse with under-dense plasma have been investigated using the particle-in-cell (PIC) simulation code. In this way, two laser
E. Khalilzadeh +2 more
doaj +1 more source
Simulation of collision of dust nanoparticles with graphite wall using LAMMPS code [PDF]
مجله علوم و فنون هستهای, 2021 In the present work, we have simulated the collision of dust nanoparticles with graphite wall using LAMMPS code, based on the molecular dynamics method.
M. Bakhtiyari Ramezani +2 more
doaj +1 more source
Recent progress of thick tungsten coating prepared by chemical vapor deposition as the plasma-facing material [PDF]
, 2021 Chemical vapor deposition (CVD) is a promising technique for the preparation of W-based plasma-facing materials (PFMs). An overview of the microstructure, chemical composition, thermal conductivity, thermal stability, thermal shock performance under ...
Lu, G.H. +31 more
core +1 more source
Investigation of the Raman backward radiation evolutions leading to chaos in the interaction of intense laser pulses with Helium atoms [PDF]
مجله علوم و فنون هستهای, 2022 This paper investigates the stochastic heating of electrons caused by Raman backscatter radiations during the interaction of a laser pulse with helium atoms by means of a parallel particle-in-cell (PIC) code.
Z. Dehghani +2 more
doaj +1 more source
Investigation of the wakefield generation in the interaction of the intense laser pulse with gas [PDF]
مجله علوم و فنون هستهای, 2021 In the present work, the formation of the wakefield during the interaction of intense laser pulse with a gas medium has been investigated by using PIC simulation code, including the ionization process.
E. Khalilzadeh, M.J. Jafari, Z. Dehghany
doaj +1 more source
Research Paper: Parametric Spectroscopy Characterization of the Induced Coupled Plasma ICP Torch 13.56 MHz under Atmospheric and Vacuum Pressure [PDF]
فیزیک کاربردی ایرانIn this research, measurements and calculations were carried out to estimate plasma density and temperature for the optimized ICP torch in two regimes: vacuum and atmospheric pressure.
Mansour Tabatabaei +4 more
doaj +1 more source
Scientific Reports, 2023 The force-balanced state of magnetically confined plasmas heated up to 100 million degrees Celsius must be sustained long enough to achieve a burning-plasma state, such as in the case of ITER, a fusion reactor that promises a net energy gain.
Semin Joung +9 more
doaj +1 more source