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Fluids
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Vortical Flows in Memory of Professor Ippolit Stepanovich Gromeka
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Vortical Flows in Memory of Professor Ippolit Stepanovich Gromeka

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

Deadline for manuscript submissions: closed (15 December 2023) | Viewed by 7042

Special Issue Editor

Dr. Khalid M. Saqr

E-Mail Website
Guest Editor
1. Institute of Fluid Science, Tohoku University, Miyagi 980-8577, Japan
2. Mechanical Engineering Department, College of Engineering and Technology, Arab Academy for Science, Technology and Maritime Transport, P.O. Box 1029 Alexandria, Egypt
Interests: fluid dynamics; turbulence; physiological flows; hemodynamics
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Professor Ippolit Stepanovich Gromeka (27/01/1851–13/10/1889) was one of the founding fathers of modern fluid mechanics. Gromeka died young at 38 years old leaving a pioneering legacy in many areas of fluid mechanics and after solving some of the difficult problems in the field for the first time. His legacy is often overlooked in modern literature; however, the influence of his seminal work is manifested in almost every direction of fluid mechanics’ research. During his brief academic and teaching career, Gromeka gained well-deserved fame as an excellent professor and a remarkable scientist. With his works, Gromeka laid the foundations for vortical flows and flows with transverse circulation (1882), which acquired great practical importance in hydraulic engineering. He also studied the unsteady motion of a viscous fluid (1882) and the vortex motions of a fluid on the surface of a sphere (1885). 

Vortical flows are flows with strong vorticity fields forming their main structure. Such flows are found everywhere in nature. Blood flow in the human circulatory system, tornados, and ocean circulation are some of the most famous examples of vortical flows which became possible to study because of Gromeka’s pioneering work. This Special Issue is dedicated to honor Gromeka’s memory and contributions and will consider manuscripts related to vortical and rotational flows at large.

Dr. Khalid M. Saqr
Guest Editor

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Keywords

  • physiological flows
  • helical flows
  • capillary flow
  • hydrodynamics
  • vortex motion

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Published Papers (3 papers)

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Research

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14 pages, 3884 KiB  
Article
Experimental Studies on Vortex-Induced Vibration of a Piggyback Pipeline
by Difei Xiao, Zhiyong Hao, Tongming Zhou and Hongjun Zhu
Fluids 2024, 9(2), 39; https://doi.org/10.3390/fluids9020039 - 1 Feb 2024
Cited by 1 | Viewed by 1473
Abstract
Offshore pipelines of different diameters are often seen in piggyback arrangements in close proximity. Under the effects of external flows, the pipelines may experience vibration. Reliable prediction of the vibration amplitudes is important for the design and operation of these structures. In the [...] Read more.
Offshore pipelines of different diameters are often seen in piggyback arrangements in close proximity. Under the effects of external flows, the pipelines may experience vibration. Reliable prediction of the vibration amplitudes is important for the design and operation of these structures. In the present study, the effect of the position angle (α) and gap ratio (G/D) of a piggyback pipeline on the amplitude of 1DOF vortex-induced vibration (VIV) was investigated experimentally in a wind tunnel. The diameter ratio d/D of the two cylinders was 0.5. Five position angles, namely, α = 0°, 45°, 90°, 135°, and 180°, and six gap ratios at each angle, G/D = 0, 0.1, 0.2, 0.3, 0.4, 0.5, were tested. It was found that both α and G/D affected the amplitude of vibrations significantly. For all gap ratios, the amplitude of vibrations increased from α = 0° to α = 90° and then decreased to a minimum value around α = 135°. The maximum amplitude occurred around α = 90° when G/D = 0, and the minimum occurred around α = 135°, when G/D = 0.2–0.3. At other position angles, the vibration amplitude was less sensitive to G/D, especially when the latter was between 0.1 and 0.4. These results verified those obtained using numerical methods and are invaluable to engineers when designing offshore piggyback pipelines. Full article
(This article belongs to the Special Issue Vortical Flows in Memory of Professor Ippolit Stepanovich Gromeka)
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13 pages, 4989 KiB  
Article
Transporting Particles with Vortex Rings
by Van Gulinyan, Fedor Kuzikov, Roman Podgornyi, Daniil Shirkin, Ivan Zakharov, Zarina Sadrieva, Maxim Korobkov, Yana Muzychenko and Andrey Kudlis
Fluids 2023, 8(12), 315; https://doi.org/10.3390/fluids8120315 - 5 Dec 2023
Cited by 2 | Viewed by 2290
Abstract
Due to their long-lived nature, vortex rings are highly promising for the non-contact transportation of colloidal microparticles. However, because of the high complexity of the structures, their description using rigorous, closed-form mathematical expressions is challenging, particularly in the presence of strongly inhomogeneous colloidal [...] Read more.
Due to their long-lived nature, vortex rings are highly promising for the non-contact transportation of colloidal microparticles. However, because of the high complexity of the structures, their description using rigorous, closed-form mathematical expressions is challenging, particularly in the presence of strongly inhomogeneous colloidal suspensions. In this work, we comprehensively study this phenomenon, placing special emphasis on a quantitative description of the ability of vortex rings to move the particles suspended in a liquid over distances significantly exceeding the ring’s dimensions. Moreover, within the study, we present straightforward analytical approximations extracted by using the fitting of the experimental and numerical simulation observations that reveal the dynamics of vortex rings transporting the microparticles. It includes both the dependence of the concentration on the distance traveled by the vortex ring and coefficients describing the evolution of vortex ring shape in time, which were not presented in the literature before. It turns out that despite the fact that 2D modeling is a simplification of the full 3D problem solution and is unable to capture some of the minor effects of real behavior, it has demonstrated a good consistency with the results obtained via experiments regarding the process of particles transportation. Full article
(This article belongs to the Special Issue Vortical Flows in Memory of Professor Ippolit Stepanovich Gromeka)
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Review

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18 pages, 4328 KiB  
Review
Ten Years of Passion: I.S. Gromeka’s Contribution to Science
by Kamil Urbanowicz and Arris S. Tijsseling
Fluids 2024, 9(3), 57; https://doi.org/10.3390/fluids9030057 - 23 Feb 2024
Cited by 1 | Viewed by 2271
Abstract
The work and life of Ippolit Stepanovich Gromeka is reviewed. Gromeka authored a classical set of eleven papers on fluid dynamics in just ten years before a tragic illness ended his life. Sadly, he is not well known to the western scientific community [...] Read more.
The work and life of Ippolit Stepanovich Gromeka is reviewed. Gromeka authored a classical set of eleven papers on fluid dynamics in just ten years before a tragic illness ended his life. Sadly, he is not well known to the western scientific community because all his publications were written in Russian. He is one of the three authors who independently derived an analytical solution for accelerating laminar pipe flow. He was the first to eliminate the contradiction between the theories of Young and Laplace on capillary phenomena. He initiated the theoretical basis of helical (Beltrami) flow, and he studied the movement of cyclones and anticyclones seventeen years before Zermelo (whose work is considered as pioneering). He is also the first to analyse wave propagation in liquid-filled hoses, thereby including fluid–structure interaction. Full article
(This article belongs to the Special Issue Vortical Flows in Memory of Professor Ippolit Stepanovich Gromeka)
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