Symmetry/Asymmetry in the Numerical Study of Heat Transfer and Fluid Flow

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 1190

Special Issue Editor


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Guest Editor
School of Energy and Environmental Engineering, Hebei University of Technology, Tianjin 300401, China
Interests: supercirtical heat transfer and power systems; heat transfer enhancement theory and technology; compact heat exchangers; solar thermal power systems

Special Issue Information

Dear Colleagues,

This Special Issue aims to explore the intricate relationships between symmetry and asymmetry in numerical studies of heat transfer and fluid flow. By inviting contributions that delve into various geometrical configurations, this Special Issue seeks to highlight how these design characteristics influence thermal performance and fluid dynamics. Contributions will cover a range of topics, including the effects of symmetrical designs on efficiency, the advantages of asymmetrical configurations in enhancing mixing and heat distribution, and the implications for engineering applications such as heat exchangers and cooling systems. Through a collection of innovative research articles, this Special Issue will provide valuable insights into optimizing fluid flow and heat transfer processes, fostering advancements in both theoretical understanding and practical applications. Researchers are encouraged to present novel numerical approaches, case studies, and comparative analyses that further our understanding of these critical phenomena.

We look forward to receiving your contributions.

Dr. Xiaolong Li
Guest Editor

Manuscript Submission Information

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Keywords

  • heat transfer
  • fluid flow
  • numerical study
  • thermal performance

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Published Papers (1 paper)

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Research

22 pages, 5717 KB  
Article
Flow and Heat Transfer in Porous Media Under Non-Standard Asymmetric Boundary Conditions
by Nasser Firouzi, Joy Djuansjah and Przemysław Podulka
Symmetry 2025, 17(12), 2183; https://doi.org/10.3390/sym17122183 - 18 Dec 2025
Viewed by 819
Abstract
This study investigates natural convection in porous media under non-standard asymmetric boundary conditions, focusing on flow and heat transfer. Numerical simulations were performed to analyze flow patterns, temperature distributions, and heat transfer for varying Rayleigh numbers, porosities, and internal heat generation rates. The [...] Read more.
This study investigates natural convection in porous media under non-standard asymmetric boundary conditions, focusing on flow and heat transfer. Numerical simulations were performed to analyze flow patterns, temperature distributions, and heat transfer for varying Rayleigh numbers, porosities, and internal heat generation rates. The results indicate that increasing the Rayleigh number significantly enhances heat transfer, with Nusselt numbers ranging from 5.72 to 11.02 across all cases. Higher internal heat generation and porosity lead to more uniform temperature distributions and larger convection cells, with Nusselt numbers increasing by up to 16% compared to the base case. These findings demonstrate that non-uniform boundary conditions, such as linearly cooled sidewalls, have a significant effect on heat transfer in porous media, offering insights for improving thermal management in materials with complex boundary conditions. Full article
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