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Applied Sciences
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Plasma Dynamics and Applications
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Plasma Dynamics and Applications

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Applied Physics General".

Deadline for manuscript submissions: closed (25 June 2024) | Viewed by 752

Special Issue Editor

Prof. Dr. Shixiang Peng

E-Mail Website
Guest Editor
Institute of Heavy Ion Physics, School of Physics, Peking University, Beijing 100871, China
Interests: high-current ion accelerator; focusing on the physics and technology of high-current and high-quality ion sources

Special Issue Information

Dear Colleagues,

Plasma dynamics is an interdisciplinary field of study encompassing physics, engineering, chemistry, etc. In this Special Issue, we welcome submissions focusing on research related to the formation, evolution, and interactions of plasma, including but not limited to articles exploring the nonlinear behavior, turbulence properties, magnetic effects, and other aspects of plasma. Furthermore, we encourage discussions on the latest research findings regarding the applications of plasma in various fields. Plasma dynamics finds extensive applications in astrophysics, nuclear fusion, plasma technology, laser plasma, and other domains. Contributors are invited to explore the practical applications of plasma in energy generation, materials processing, space science, medicine, environmental engineering, and more. We look forward to receiving contributions that demonstrate originality and innovation, with the aim of advancing the field of plasma dynamics and promoting further applications in real-world scenarios.

Prof. Dr. Shixiang Peng
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Applied Sciences is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • plasma dynamics
  • astrophysics
  • nuclear fusion
  • plasma technology
  • laser plasma
  • energy generation
  • materials processing
  • space science
  • medicine
  • environmental engineering

Published Papers (1 paper)

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Research

17 pages, 1022 KiB  
Article
Solution of Orifice Hollow Cathode Plasma Model Equations by Means of Particle Swarm Optimization
by Giovanni Coppola, Mario Panelli and Francesco Battista
Appl. Sci. 2024, 14(13), 5831; https://doi.org/10.3390/app14135831 - 3 Jul 2024
Viewed by 519
Abstract
Orifice Hollow Cathodes are electric devices necessary for the functioning of common plasma thrusters for space applications. Their reliability mainly depends on the success of a spacecraft’s mission equipped with electric propulsion. The development of plasma models is crucial in the evaluation of [...] Read more.
Orifice Hollow Cathodes are electric devices necessary for the functioning of common plasma thrusters for space applications. Their reliability mainly depends on the success of a spacecraft’s mission equipped with electric propulsion. The development of plasma models is crucial in the evaluation of plasma properties within the cathodes that are difficult to measure due to the small dimensions. Many models, based on non-linear systems of plasma equations, have been proposed in the openiterature. These are solved commonly by means of iterative procedures. This paper investigates the possibility of solving them by means of the Particle Swarm Optimization method. The results of the validation tests confirm the expected trends for all the unknowns; the confidence bound of the discharge current as a function of mass flow rate is very narrow (2 ÷ 5) V); moreover, the results match very well the experimental data except at theowest mass flow rate (0.08 mg/s) and discharge current (1A), where the computations underpredict the discharge current to the utmost by 40%. The highest data dispersion regards the plasma density in the emitter region (±20% of the average value) and the wall temperatures (±50 K with respect to the average values) of the orifice and insert; those of the others variables are very tiny. Full article
(This article belongs to the Special Issue Plasma Dynamics and Applications)
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