Zobrazeno 1 - 10
of 158
pro vyhledávání: '"Dagang Liu"'
Publikováno v:
Frontiers in Physics, Vol 11 (2024)
Currently, there is limited research on the influence of gas ionization on the pulse formation process in pulse power source-driven loads. This paper introduces a road-field-Particle-In-Cell (PIC)/Monte Carlo Collision (MCC) collaborative simulation
Externí odkaz:
https://doaj.org/article/3a92103e12b74db2876475f406e6a623
Publikováno v:
AIP Advances, Vol 12, Iss 7, Pp 075313-075313-8 (2022)
Simulation of high-power microwave source devices generally uses parallel algorithms to speed up the operation. In recent years, with the upgrade of parallel technology, the parallel efficiency of the particle simulation software has been further imp
Externí odkaz:
https://doaj.org/article/8288138f44ff4d3193b84a5ae11cfcfb
Publikováno v:
Materials, Vol 16, Iss 6, p 2165 (2023)
The alkali-free accelerator based on aluminum sulfate is widely used in shotcrete in tunnels. Long-term Ca-leaching of shotcrete may adversely affect the tunnels in a water-rich mountain. It is necessary to examine further the impact of the AS accele
Externí odkaz:
https://doaj.org/article/89a5b0cf553c4b248dcf23100fdf448f
Publikováno v:
AIP Advances, Vol 11, Iss 7, Pp 075123-075123-11 (2021)
The dynamic behaviors of electrons in a miniature Penning ion source model are analyzed by the particle in cell/Monte Carlo collision particle simulation method combined with the scalar magnetic potential finite-difference method. Mainly, the influen
Externí odkaz:
https://doaj.org/article/ed7f1dd54884424395f7adc42ecd7764
Publikováno v:
Applied Sciences, Vol 12, Iss 9, p 4104 (2022)
In most negative hydrogen ion sources, an external magnet is installed near the extraction region to reduce the electron temperature. In this paper, the self-developed CHIPIC code is used to simulate the mechanism of a magnetic filter system, in the
Externí odkaz:
https://doaj.org/article/2186d16421e34bdaa33508f7c08bdef5
Publikováno v:
ACS Omega, Vol 2, Iss 6, Pp 2959-2966 (2017)
Externí odkaz:
https://doaj.org/article/96cad2ff4706468590747eb4c1c7fd6c
Publikováno v:
Applied Sciences, Vol 10, Iss 12, p 4402 (2020)
The use of fully grouted passive bolts as a reinforcement technique has been widely applied to improve the stability of tunnels. To analyze the behaviors of passive bolts and rock mass in a deep circular tunnel, a new semi-analytical solution is pres
Externí odkaz:
https://doaj.org/article/ab6640988c4d4b5a86b605c961cd417b
Publikováno v:
Materials, Vol 13, Iss 7, p 1572 (2020)
The cement-based grouting materials used for practical purposes in high-geothermal tunnels are inevitably affected by humidity and high temperature, leading to the deterioration of mechanical properties. Based on the characteristics of changing high
Externí odkaz:
https://doaj.org/article/8aed929435f14cd08318df532ea4af1e
Publikováno v:
Applied Sciences, Vol 10, Iss 7, p 2307 (2020)
The temperature distribution is one of the most vital parameters which should be fully considered in high geothermal tunnel design. For the purpose of studying the impact of temperature disturbance caused by construction on temperature distribution o
Externí odkaz:
https://doaj.org/article/2fcab4b11c8f4e50afa005f97312bc12
Publikováno v:
AIP Advances, Vol 8, Iss 3, Pp 035112-035112-8 (2018)
In this paper, a 5 Terawatt, 5 MV, 1 MA pulsed power system based on vacuum magnetic insulation is simulated by the particle-in-cell (PIC) simulation method. The system consists of 50 100-kV linear transformer drive (LTD) cavities in series, using ma
Externí odkaz:
https://doaj.org/article/ce58e38c11464b96a8f687906eef5b30