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Symmetry
Special Issues
Symmetry and Its Applications in Experimental Fluid Mechanics
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Special Issue "Symmetry and Its Applications in Experimental Fluid Mechanics"

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

Deadline for manuscript submissions: 31 December 2023 | Viewed by 829

Special Issue Editors

Dr. Qi Kang

E-Mail Website
Guest Editor
Institute of Mechanics, Chinese Academy of Sciences, Beijing 100190, China
Interests: experimental fluid mechanics; microgravity fluid physics; heat and mass transfer
Dr. Feng Shen

E-Mail Website
Guest Editor
Faculty of Materials and Manufacturing, Beijing University of Technology, Beijing 100021, China
Interests: experimental fluid mechanics; flow visualization; microfluidics
Dr. Di Wu

E-Mail Website
Co-Guest Editor
Institute of Mechanics, Chinese Academy of Sciences, Beijing 100190, China
Interests: microgravity fluid physics; heat and mass transfer; experimental fluid mechanics
Dr. Jia Wang

E-Mail Website
Co-Guest Editor
Institute of Mechanics, Chinese Academy of Sciences, Beijing 100190, China
Interests: microgravity fluid physics; experimental fluid mechanics; surface tension flow
Dr. Bin Zhou
E-Mail Website
Co-Guest Editor
Department of Architecture, Weifang University, Weifang 261061, China
Interests: experimental fluid mechanics
Dr. Longsheng Duan

E-Mail Website
Co-Guest Editor
Beijing System Design Institute of the Electro-Mechanic Engineering, Beijing 100143, China
Interests: microgravity fluid physics; heat and mass transfer; experimental fluid mechanics
Dr. Shangtong Chen

E-Mail Website
Co-Guest Editor
Beijing Institute of Control Engineering, China Academy of Space Technology, Beijing 100094, China
Interests: microgravity fluid physics; experimental fluid mechanics

Special Issue Information

Dear Colleagues,

Many flow patterns in nature and industry are fascinating due to their symmetry. These phenomena may be symmetrical about a line, a point, an axial or even time. In experiments related to fluid mechanics, there are many symmetrical or asymmetrical phenomena, e.g., laminar flow, vortex rings, vortexes in microdroplets, Kármán vortex streets, Marangoni flow in microgravity, multiphase flow, interface flow and so on. Obtaining an understanding of the background physics of these flow patterns is important.

We invite you to share your research into fascinating flow patterns with researchers worldwide in this Special Issue. These symmetrical or asymmetrical flow phenomena observed in experiments reflect complex scientific problems relating to fluid mechanics.

This Special Issue is intended to provide a series of papers focused on symmetry and its applications in experimental fluid mechanics, devoted to understanding the background physics of these flow patterns.

Dr. Qi Kang
Dr. Feng Shen
Dr. Di Wu
Dr. Jia Wang
Dr. Bin Zhou
Dr. Longsheng Duan
Dr. Shangtong Chen
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

  • Symmetric flow phenomena
  • Axisymmetric vortex
  • Vortex of symmetry
  • Symmetric flow field
  • Symmetric flow pattern
  • Symmetric interface
  • Flow visualization
  • Particle image velocimetry (PIV)
  • Multiphase flow
  • Droplets/bubbles
  • experimental fluid mechanics
  • flow visualization
  • microgravity fluid physics
  • vortex
  • microfluidics
  • particle image velocimetry (PIV)
  • multiphase flow
  • interface flow
  • laminar flow
  • flow stability
  • droplets/bubbles

Published Papers (1 paper)

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Research

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Article
An Intelligent Approach to Determine Component Volume Percentages in a Symmetrical Homogeneous Three-Phase Fluid in Scaled Pipe Conditions
by
Abdulilah Mohammad Mayet
,
Seyed Mehdi Alizadeh
,
V. P. Thafasal Ijyas
,
John William Grimaldo Guerrero
,
Neeraj Kumar Shukla
,
Javed Khan Bhutto
,
Ehsan Eftekhari-Zadeh
and
Ramy Mohammed Aiesh Qaisi
Symmetry 2023, 15(6), 1131; https://doi.org/10.3390/sym15061131 - 23 May 2023
Viewed by 490
Abstract
Over time, the accumulation of scale within the transmission pipeline results in a decrease in the internal diameter of the pipe, leading to a decline in efficiency and energy waste. The employment of a gamma ray attenuation system that is non-invasive has been [...] Read more.
Over time, the accumulation of scale within the transmission pipeline results in a decrease in the internal diameter of the pipe, leading to a decline in efficiency and energy waste. The employment of a gamma ray attenuation system that is non-invasive has been found to be a highly precise diagnostic technique for identifying volumetric percentages across various states. The most appropriate setup for simulating a volume percentage detection system through Monte Carlo N particle (MCNP) simulations involves a system consisting of two NaI detectors and dual-energy gamma sources, namely 241Am and 133Ba radioisotopes. A three-phase flow consisting of oil, water, and gas exhibits symmetrical homogenous flow characteristics across varying volume percentages as it traverses through scaled pipes of varying thicknesses. It is worth mentioning that there is an axial symmetry of flow inside the pipe that creates a homogenous flow pattern. In this study, the experiment involved the emission of gamma rays from one end of a pipe, with photons being absorbed by two detectors located at the other end. The resulting data included three distinct features, namely the counts under the photopeaks of 241Am and 133Ba from the first detector as well as the total count from the second detector. Through the implementation of a two-output MLP neural network utilising the aforementioned inputs, it is possible to accurately forecast the volumetric percentages with an RMSE of under 1.22, regardless of the thickness of the scale. The minimal error value ensures the efficacy of the proposed technique and the practicality of its implementation in the domains of petroleum and petrochemicals. Full article
(This article belongs to the Special Issue Symmetry and Its Applications in Experimental Fluid Mechanics)
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