Results 31 to 40 of about 230,775 (291)

Ion acceleration mechanism in plasma focus devices

open access: yesLaser and Particle Beams, 2017
AbstractPlasma focus is one type of ion source with energy up to few MeV. While some efforts have been made to understand the physics of ion beam acceleration in plasma focus devices (PFD), an acceptable clarification does not exist yet. In this work, the procedure of ions) electrons) acceleration in PFDs to the MeV energy is investigated theoretically.
H. Sadeghi, M. Habibi, M. Ghasemi
openaire   +1 more source

A study of high-frequency properties of plasma and the influence of electromagnetic radiation from IR to XUV [PDF]

open access: yesNuclear Technology and Radiation Protection, 2017
On the basis of calculated values for the conductivity in an external electric field, we determined the high-frequency characteristics of plasmas under extreme conditions (e. g. dense plasma focus device).
Srećković Vladimir A.   +3 more
doaj   +1 more source

Identification of important error fields in stellarators using Hessian matrix method [PDF]

open access: yes, 2019
Error fields are predominantly attributed to inevitable coil imperfections. Controlling error fields during coil fabrication and assembly is crucial for stellarators.
127313   +13 more
core   +3 more sources

Results of the experimental research of the heat-transfer jet pressure to the rock surface during thermal reaming of the borehole [PDF]

open access: yes, 2018
The performed analysis of scientific sources confirms the existence of a small number of publications devoted to the experimental research of the gasdynamics and plasmodynamics of jets used as a heat- transfer medium in the thermal ...
Potapchuk, Iryna   +3 more
core   +1 more source

Design, construction and optimization of Thomson parabola spectrometer as a diagnostic tool in plasma focus device [PDF]

open access: yesمجله علوم و فنون هسته‌ای, 2015
One of the main requirements in plasma focus researches is determination of the type and energy range of the produced ions in order to use them in applications and theoretical research activities.
Mohsen Nikbakht   +4 more
doaj  

Study Cherenkov radiation by production of positrons and its annihilation in dense plasma focus

open access: yesResults in Physics, 2019
The purpose of the current study was to evaluate the production of positrons through natNe2D4He18F, nuclear reactions and its possible Cherenkov radiation (CR) before annihilating in the hot and dense plasma medium (pinch) of a Mather type dense plasma ...
S. Adlparvar   +2 more
doaj   +1 more source

19.2% Efficient InP Heterojunction Solar Cell with Electron-Selective TiO2 Contact. [PDF]

open access: yes, 2014
We demonstrate an InP heterojunction solar cell employing an ultrathin layer (∼10 nm) of amorphous TiO2 deposited at 120 °C by atomic layer deposition as the transparent electron-selective contact.
Battaglia, Corsin   +8 more
core   +2 more sources

Electrical Behavior of an Ultralow-Energy Plasma-Focus Device

open access: yesIEEE Transactions on Plasma Science, 2014
Measurements of electrical signals in discharges performed in a miniature plasma-focus device (5 nF capacitor bank, central electrode diameter and effective free length 2.0 and 0.5 mm, respectively, no outer electrode) are reported. A lumped model is built that gives good agreement between the model and the recorded signals. The main conclusions are as
Barbaglia, Mario Oscar   +4 more
openaire   +4 more sources

Re-appraisal and extension of the Gratton-Vargas two-dimensional analytical snowplow model of plasma focus evolution in the context of contemporary research

open access: yes, 2013
Recent resurgence of interest in applications of dense plasma focus and doubts about the conventional view of dense plasma focus as a purely irrotational compressive flow have re-opened questions concerning device optimization.
Auluck, S K H
core   +1 more source

Design and optimization of a compact laser-driven proton beamline [PDF]

open access: yes, 2018
Laser-accelerated protons, generated by irradiating a solid target with a short, energetic laser pulse at high intensity (I > 1018W·cm-2), represent a complementary if not outperforming source compared to conventional accelerators, due to their intrinsic
Antici, P.   +3 more
core   +1 more source

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