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Symmetry
Special Issues
Symmetry and Its Application in Fluid Mechanics
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Symmetry and Its Application in Fluid Mechanics

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

Deadline for manuscript submissions: 31 August 2026 | Viewed by 885

Special Issue Editors

Prof. Dr. Zhenyu Ouyang

E-Mail Website
Guest Editor
Laboratory of Impact and Safety Engineering (Ministry of Education), Ningbo University, Ningbo 315201, China
Interests: non-newtonian fluid; microfluids; active fluid/particle
Dr. Fangyang Yuan

E-Mail Website
Guest Editor
Associate Professor, School of Mechanical Engineering, Jiangnan University, Wuxi 214122, China
Interests: bubbles; multicomponent systems; irregular particles
Dr. Chundong Xue

E-Mail Website
Guest Editor
Associate Professor, School of Biomedical Engineering, Faculty of Medicine, Dalian University of Technology, Dalian 116024, China
Interests: micro and nanoscale flow; biofluid mechanics; fluid mechanics in nanomedicine

Special Issue Information

Dear Colleagues,

Multiphase flow is prevalent in nature and industrial applications, including environmental modification, water treatment, medical diagnostics and treatments, industrial transportation, atmospheric suspended matter treatments, and spray combustion. While multiphase flow has long been a focus of attention, recent advancements in new materials (active/soft materials), artificial intelligence (AI) technology, and research facilities have brought fresh potential to this field, opening the door to new discoveries.

This Special Issue will provide a comprehensive overview of recent innovations in multiphase flow for both research and industrial applications. We welcome original research articles and reviews in various areas, including, but not limited to, the following:

  • Multiphase flow symmetry breaking in break-up and separation;
  • Microfluidics and nanofluidics;
  • Droplets and bubbles and asymmetry flows;
  • Active and soft materials;
  • Multicomponent systems;
  • Particle transport and manipulation and asymmetry migration;
  • Artificial intelligence (AI) applications.

Both experimental and numerical studies are encouraged. We look forward to receiving your contributions.

Prof. Dr. Zhenyu Ouyang
Dr. Fangyang Yuan
Dr. Chundong Xue
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. 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

  • multiphase flows
  • microfluidics
  • nanofluidics
  • droplets
  • bubbles
  • active material
  • soft material
  • multicomponent
  • particle manipulation
  • artificial intelligence

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Further information on MDPI's Special Issue policies can be found here.

Published Papers (1 paper)

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Research

18 pages, 6437 KiB  
Article
Effect of a Uniform Axial Magnetic Field on the Spatiotemporal Evolution of Thermocapillary Convection in a High Prandtl Fluid Under Microgravity
by Shuo Yang, Pushi Ge, Yu Gao, Jintao Luo, Tianyu Wang, Zhe Liu, Yunyi Zheng, Wanqi Li and Jie Cui
Symmetry 2024, 16(12), 1645; https://doi.org/10.3390/sym16121645 - 12 Dec 2024
Viewed by 587
Abstract
In this paper, the semi-floating liquid bridge model with the silicone oil-based ferromagnetic fluid under microgravity was taken as the research object. The enhanced level set method was employed to numerically monitor the free surface flow characteristics, utilizing a staggered grid. The internal [...] Read more.
In this paper, the semi-floating liquid bridge model with the silicone oil-based ferromagnetic fluid under microgravity was taken as the research object. The enhanced level set method was employed to numerically monitor the free surface flow characteristics, utilizing a staggered grid. The internal flow, temperature, velocity and interface deformation of thermocapillary convection under a uniform axial magnetic field were studied by direct numerical simulation. The results show that the transverse development of thermocapillary convection is suppressed by the axial uniform magnetic field, and the cell flow is controlled near the free surface. The average axial velocity was increased by about three times, and the average radial velocity was increased by about two times. The average axial temperature near the free surface was much higher than that on other radii. The axial temperature level of the surface flow was improved under of the influence of a uniform axial magnetic field. The axial temperature gradient in the central area of the liquid bridge basically showed the same change rule. The closer to the hot disk of the liquid bridge, the larger the axial temperature gradient. In addition, the axial uniform magnetic field effectively suppressed the micro-deformation of the free interface, and the free surface micro-deformation was at an order of magnitude of 10−5 (the deformation of the free surface in thermocapillary convection within a liquid bridge without a magnetic field was at an order of magnitude of 10−4). Therefore, studying the influence of the axial magnetic field on the thermocapillary convection of a high Prandtl number fluid can provide the necessary theoretical support for the development of crystal preparation technology. Full article
(This article belongs to the Special Issue Symmetry and Its Application in Fluid Mechanics)
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