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Computation, Volume 10, Issue 3

March 2022 - 13 articles

Cover Story: Concerned about the increasing outburst of wildfires globally, the Fluid Mechanics Laboratory (FML) team proceeded to the conceptual design of an unmanned aerial vehicle (UAV) specially designed to tackle this phenomenon. The innovative aspect of the research was studying the response and aerodynamic efficiency of the UAV wing model in a two-phase flow of air and fire embers. Numerical simulations were conducted using three different meshing configurations. These were a fully structured mesh, an unstructured mesh, and a mosaic poly-hexcore mesh. The final validation of the simulations was achieved through comparison with the results obtained from the wind tunnel experiment conducted at FML, using a 3D-printed prototype. View this paper

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Article

14 Citations

7,129 Views

22 Pages

A Video Analytics System for Person Detection Combined with Edge Computing

Evangelos Maltezos,
Panagiotis Lioupis,
Aris Dadoukis,
Lazaros Karagiannidis,
Eleftherios Ouzounoglou,
Maria Krommyda and
Angelos Amditis

Computation2022, 10(3), 35;https://doi.org/10.3390/computation10030035

25 February 2022

Ensuring citizens’ safety and security has been identified as the number one priority for city authorities when it comes to the use of smart city technologies. Automatic understanding of the scene, and the associated provision of situational aw...

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Article

22 Citations

13,544 Views

24 Pages

Computational Fluid Dynamics Study of Wing in Air Flow and Air–Solid Flow Using Three Different Meshing Techniques and Comparison with Experimental Results in Wind Tunnel

Dionysios G. Karkoulias,
Evangelos D. Tzoganis,
Anastasios G. Panagiotopoulos,
Spyridon-Giaroslav D. Acheimastos and
Dionissios P. Margaris

Computation2022, 10(3), 34;https://doi.org/10.3390/computation10030034

23 February 2022

The main purpose of this work is to simulate the flow of air and solid particles over a wildfire and to investigate the single and multiphase flow over the surface of a custom-designed wing with an Eppler-420 airfoil including an appendant custom-des...

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Article

2 Citations

7,610 Views

19 Pages

A Comparison of Computational and Experimental Fluid Dynamics Studies between Scaled and Original Wing Sections, in Single-Phase and Two-Phase Flows, and Evaluation of the Suggested Method

Dionysios G. Karkoulias,
Anastasios G. Panagiotopoulos,
Andreas I. Giannaros and
Dionissios P. Margaris

Computation2022, 10(3), 33;https://doi.org/10.3390/computation10030033

23 February 2022

The correlation between computational fluid dynamics (CFD) and experimental fluid dynamics (EFD) is crucial for the behavior prediction of aerodynamic bodies. This paper’s objective is twofold: (1) to develop a method that approaches commercial...

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Computation - ISSN 2079-3197

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