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Fluids
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High Speed Flows, 2nd Edition
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High Speed Flows, 2nd Edition

A special issue of Fluids (ISSN 2311-5521).

Deadline for manuscript submissions: 31 May 2024 | Viewed by 3215

Special Issue Editors

Prof. Dr. Olga A. Azarova

E-Mail Website
Guest Editor
Department of Mathematical Modeling of Computer-Aided Design Systems, Federal Research Center “Computer Science and Control” of the Russian Academy of Sciences, Vavilova st. 40, 119333 Moscow, Russia
Interests: fluid mechanics; computational fluid dynamics; numerical simulation; aerodynamics; flow control; CFD coding
Special Issues, Collections and Topics in MDPI journals
Dr. Tatiana Lapushkina

E-Mail Website
Guest Editor
Laboratory of Physical Gasdynamics, Ioffe Institute, 194021 Saint Petersburg, Russia
Interests: supersonic flows; aerodynamics; plasma physics; magnetohydrodynamics; shock waves; gas discharge

Special Issue Information

Dear Colleagues,

High-speed gas flows occur during the movement of aircrafts, rockets, descent vehicles, as well as in combustion chambers, nozzles and in many other technological applications. High-speed flows are characterized by a complex shock–vortex structure and the presence of large gradients of gas parameters due to the emerging shock waves, areas of shear deformations and the possible development of gas-dynamic instabilities. This Special Issue of Fluids is focused on the recent advances in the numerical and experimental modeling of high-speed flows. The planned topics include (but are not limited to) the following areas: supersonic/hypersonic flows, flow control, shock waves, turbulence, vortices and vortex structures, boundary layers, heat fluxes, gas-dynamic instabilities.

Prof. Dr. Olga A. Azarova
Dr. Tatiana Lapushkina
Guest Editors

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. Fluids 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 1800 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

  • gas flows
  • hypersonic flows
  • flow control
  • shock waves
  • turbulence
  • vortices and vortex structures
  • boundary layers
  • heat fluxes

Published Papers (2 papers)

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Research

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13 pages, 6096 KiB  
Article
Dual Numerical Solution for 3D Supersonic Laminar Flow Past a Blunt-Fin Junction: Change in Temperature Ratio as a Method of Flow Control
by Elizaveta Kolesnik, Evgueni Smirnov and Elena Babich
Fluids 2023, 8(5), 149; https://0-doi-org.brum.beds.ac.uk/10.3390/fluids8050149 - 11 May 2023
Cited by 1 | Viewed by 1166
Abstract
The results of a numerical solution of the problem of supersonic flow past a blunt fin mounted on a plate with a developing boundary layer are presented. The initial formulation of the problem is based on the presented in the literature computational and [...] Read more.
The results of a numerical solution of the problem of supersonic flow past a blunt fin mounted on a plate with a developing boundary layer are presented. The initial formulation of the problem is based on the presented in the literature computational and experimental investigation, in which the laminar flow regime was studied for the fin perpendicular to the plate at the free-stream Mach number equal to 6.7. Earlier, the authors showed (2020) that under these conditions there exist two stable solutions to the problem. These solutions correspond to the metastable states of flow with different configurations of the vortex structure and different patterns of local heat transfer. In the present study, the influence of a temperature ratio on the vortex structure in the separation region, local heat transfer, and the possibility of obtaining a dual solution are investigated. The ability to switch between solutions of two types using a short-time change in the plate temperature ratio are shown. Full article
(This article belongs to the Special Issue High Speed Flows, 2nd Edition)
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Review

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36 pages, 14240 KiB  
Review
Research Progress on Active Secondary Jet Technology in Supersonic Flow Field of Aerospace Propulsion Systems
by Hao Zhu, Haizhou Guo, Junjie Sun, Hui Tian and Guobiao Cai
Fluids 2023, 8(12), 313; https://0-doi-org.brum.beds.ac.uk/10.3390/fluids8120313 - 30 Nov 2023
Viewed by 1573
Abstract
As humans continue to explore the aerospace field, higher demands have been placed on new types of propulsion systems. Meanwhile, active secondary flow has been applied to various aspects of engines over the past seventy years, significantly enhancing engine performance. For the new [...] Read more.
As humans continue to explore the aerospace field, higher demands have been placed on new types of propulsion systems. Meanwhile, active secondary flow has been applied to various aspects of engines over the past seventy years, significantly enhancing engine performance. For the new generation of propulsion systems, active secondary flow remains a highly promising technology. This article provides an overview of the application of active secondary flow in engines, including a review of the past research on the secondary jet flow field, and an introduction of the more prominent applications of the jet in engines and its research progress. Finally, the problems existing in the current application of the secondary jet are summarized, and the future direction of the research is anticipated. Full article
(This article belongs to the Special Issue High Speed Flows, 2nd Edition)
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Planned Papers

The below list represents only planned manuscripts. Some of these manuscripts have not been received by the Editorial Office yet. Papers submitted to MDPI journals are subject to peer-review.

Impact of the near-surface plasma region on the bow shock wave and aerodynamic characteristics of the high-speed model in xenon

Olga Azarova and Tatiana Lapushkina

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