Results 11 to 20 of about 63,373 (254)

Evaluation of X-ray dose distribution in adult male and female organs due to plasma focus device function [PDF]

مجله علوم و فنون هسته‌ای, 2021
The X-ray dose and hard X-ray spectrum corresponding to a 2.5 kJ plasma focus device were investigated in the present work. The X-ray dose using Argon gas at a pressure of 0.8 mbar and a distance of 23 cm from the top of the anode was 0.8 mSv per shot ...
S.M. Nouri Dogahi, S.M.M. Abtahi, M. Habibi   +2 more
doaj   +1 more source

Investigating the effects of high-energy pulsed protons on the surface and structural properties of copper and tungsten by MTPF-2 plasma focus device [PDF]

مجله علوم و فنون هسته‌ای, 2020
In the present work, the results of using a low energy plasma focus device MTPF-2, in order to investigate the destructive effects of shockwave and high-energy ions on tungsten and copper surfaces, are presented.
M.A. Tafreshi, M.R. Habashi, B.S. Bidabadi, A. Abdisaray, S. Shafiei, A. Nasiri   +5 more
doaj   +1 more source

Determination of conditions for obtaining radioactivity of nitrogen-13 isotope for medical use by NX2 dense plasma focus device

St. Petersburg Polytechnical University Journal: Physics and Mathematics, 2023
In the paper, a theoretical study to calculate the value of the radioactivity ‎of nitrogen-13 isotope required for use in positron emission tomography (PET) has been presented. The isotope is produced by deuteron beams from NX2 dense plasma focus ‎device.
Nassif Alaa, Sahyouni Walid, Zeidan Ola, Kafa Noha   +3 more
doaj   +1 more source

Influence of electrode geometry on X-ray emission, plasma inductance, voltage, and current derivative signals obtained from a plasma focus device

Results in Physics, 2021
Plasma focus devices have been investigated as a pulsed radiation source. Different studies have shown that the shape of the anode affects strongly the plasma dynamic and X-ray emission that takes place in plasma focus devices.
Jalaj Jain, Jose Moreno, Biswajit Bora, Leopoldo Soto   +3 more
doaj   +1 more source

On the Generation of Plasma Jets in the Kilojoule Plasma Focus Device

Plasma Physics Reports, 2022
Abstract— Laser–optic methods were used to study the properties of plasma jets generated in the KJ Plasma Focus device. Measurements of the plasma jet velocity were conducted immediately after its appearance. During the first 10 ns, the average velocity is about 5 × 10
S. N. Polukhin, V. Ya. Nikulin, P. V. Silin   +2 more
openaire   +1 more source

Features of Pinch Plasma, Electron, and Ion Beams That Originated in the AECS PF-1 Plasma Focus Device

Plasma, 2022
The measured current traces of alow energy AECS PF-1 plasma focus device are used for studying of the formed plasma, and the produced ion and electron beams.
Mohamad Akel, Sharif AL-Hawat, Muthanna Ahmad, Yamen Ballul, Soliman Shaaban   +4 more
doaj   +1 more source

Study of the Current Sheath Velocity in a 2.2 kJ Plasma Focus Device [PDF]

مجله علوم و فنون هسته‌ای, 2018
In this article, after a brief introduction of MTPF-1 plasma focus device, some of the related  experimental data are presented. These data show that it is possible to select the proper gas pressure and discharge voltage in order to have a specified ...
M. A Tafreshi, D Rostamifard, A Nasiri
doaj   +1 more source

Evaluating Structural Changes in Graphite Under Ion Pulse Irradiation: A Case Study on Plasma Facing Materials [PDF]

Journal of Advanced Materials in Engineering
In this study, the effects of high-energy hydrogen ion irradiation, generated by the MTPF-2 type modern plasma focus device, on the surface and structural properties of graphite were investigated.
M.M.R. Seyed Habashy, A.R. Asle Zaeem
doaj   +1 more source

Damage studies on irradiated tungsten by helium ions in a plasma focus device

Nuclear Engineering and Technology, 2020
Damage of tungsten due to helium ions of a PF device was studied. The tungsten was analyzed by SEM and AFM after irradiation. SEM revealed fine bubbles of helium atoms with diameters of a few nanometers, which join and form larger bubbles and blisters on
Mir mohammadreza Seyyedhabashy, Mohammad Amirhamzeh Tafreshi, Babak Shirani bidabadi, Sepideh Shafiei, Ali Nasiri   +4 more
doaj   +1 more source

Effect of Atomic Number on Plasma Pinch Properties and Radiative Emissions

Advances in High Energy Physics, 2021
The aim of the research is to examine the dependence of plasma pinch properties and radiation emissions on the atomic number of the operating gas within the dense plasma focus device (NX2) when using hydrogen and argon gases.
Walid Sahyouni, Alaa Nassif
doaj   +1 more source