Symmetry, Sustainable Solutions and New Methodologies in Continuous Media and Plasma

A special issue of Symmetry (ISSN 2073-8994). This special issue belongs to the section "Physics".

Deadline for manuscript submissions: closed (31 December 2023) | Viewed by 1712

Special Issue Editor


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Guest Editor
1. Department of Thermal Engineering, Russian University of Transport «MIIT», Obraztsova Street 9, Moscow 127994, Russia
2. Department of Physics, National Research Nuclear University MEPhI, Moscow, Russia
Interests: hydrodynamics; solids; plasma
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Special Issue Information

Dear Colleagues,

When studying processes in continuous media and plasma, both full-scale and numerical experiments and theoretical and computational studies based on statistical and stochastic methods are intensively used. At the same time, special attention continues to be paid to the problems of symmetry both in the theory of equations and in the solutions obtained on their basis, and in experiments depending on the regime parameters of the processes under consideration. The aim of the Special Issue is to present the views of scientists on methods of detecting and investigating symmetry in the study of processes in continuous media and plasma, as well as to demonstrate their results in the field of theory, numerical methods, and experiments. There are no restrictions on the volume of articles.

This Special Issue will focus on the following areas:

  1. Questions of symmetry in theoretical studies in liquids and gases;
  2. Questions of symmetry in theoretical studies in solids;
  3. Questions of symmetry in theoretical studies in plasma;
  4. Symmetry in numerical experiments in liquids and gases;
  5. Symmetry in numerical experiments in solids;
  6. Symmetry in numerical experiment in plasma;
  7. Symmetry in the studied processes during experiments in liquids and gases;
  8. Symmetry in the studied processes during experiments in solids;
  9. Questions of symmetry in experimental studies in plasma.

Prof. Dr. Artur V. Dmitrenko
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. Symmetry is an international peer-reviewed open access monthly 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

  • symmetry
  • statistical and stochastic methods
  • theoretical studies
  • full-scale and numerical experiments
  • continuous media and plasma

Published Papers (2 papers)

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Research

12 pages, 2877 KiB  
Article
Effect of Aspect Ratio on Optimal Disturbances of Duct Flows
by Andrey Boiko, Kirill Demyanko and Nikita Klyushnev
Symmetry 2023, 15(12), 2121; https://doi.org/10.3390/sym15122121 - 28 Nov 2023
Cited by 1 | Viewed by 595
Abstract
The linear temporal stability of the Poiseuille flow through a rectangular duct is considered. The effect of the duct aspect ratio on the transient growth of disturbances, which causes the so-called subcritical laminar–turbulent transition, is studied numerically. In particular, it is shown that [...] Read more.
The linear temporal stability of the Poiseuille flow through a rectangular duct is considered. The effect of the duct aspect ratio on the transient growth of disturbances, which causes the so-called subcritical laminar–turbulent transition, is studied numerically. In particular, it is shown that an increase in the aspect ratio promotes the subcritical transition in almost the entire considered range of the duct aspect ratios except a relatively narrow range, where the increase suppresses the transient growth of disturbances. Such peculiarity is qualitatively explained by considering the nonmodal stability of more simplified plane channel flow. Full article
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21 pages, 9119 KiB  
Article
Symmetry of Structures under Two-Dimensional Instability in a Finite-Height Horizontal Layer of Boiling Liquid
by Vladimir I. Zhukov and Aleksandr N. Pavlenko
Symmetry 2023, 15(9), 1792; https://doi.org/10.3390/sym15091792 - 20 Sep 2023
Cited by 1 | Viewed by 785
Abstract
The two-dimensional instability of a horizontal layer of boiling liquid with a finite height was experimentally studied. In this layer, “vapor columns” rose at the corners of a square rectangular grid, and the symmetry of “vapor column” location on the heating surface was [...] Read more.
The two-dimensional instability of a horizontal layer of boiling liquid with a finite height was experimentally studied. In this layer, “vapor columns” rose at the corners of a square rectangular grid, and the symmetry of “vapor column” location on the heating surface was considered. The model adopts an approach to the boiling crisis from the side of both developed nucleate boiling and transitional boiling (the Zuber problem). When dealing with developed nucleate boiling, the layer of boiling liquid is considered in calculations as an isotropic homogeneous system (foam). It is shown how the conditions on the heating surface (capillary-porous coating) affect the external hydrodynamics of the liquid layer and, ultimately, the value of the critical heat flux. The calculation ratio obtained by approaching the boiling crisis from the side of developed nucleate boiling takes into account the dependence of the critical heat flux on the void fraction of the boiling liquid layer. A new solution to the boiling crisis problem is proposed when approaching the crisis from the side of transitional boiling (the Zuber problem). This new solution eliminates some shortcomings of the classical problem (in particular, the void fraction of the layer corresponds to the experiments). Full article
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