Use of numerical modeling in analysis of aeroelastic interaction of rolling stock with tunnel constructions

Nikita Bogdanov; Yan Vatulin; Aleksandr Vorob&#039;ev; Kirill Sotnikov

doi:10.20295/2223-9987-2024-01-65-73

UDC

629.3.015

USE OF NUMERICAL MODELING IN ANALYSIS OF AEROELASTIC INTERACTION OF ROLLING STOCK WITH TUNNEL CONSTRUCTIONS Use of numerical modeling in analysis of aeroelastic interaction of rolling stock with tunnel constructions

АА Аа

Published in Bulletin of scientific research results · Pages 65–73 · Rubric: PROBLEMATIC OF TRANSPORT SYSTEM

DOI: https://doi.org/10.20295/2223-9987-2024-01-65-73

Received: 02.04.2024 Accepted: 02.04.2024 Published: 02.04.2024

Authors

Nikita Bogdanov

Yan Vatulin

Aleksandr Vorob'ev

Kirill Sotnikov

Nikita Bogdanov

Emperor Alexander I St. Petersburg State Transport University Graduate student, Master’s Degree · Russian Federation · St. Petersburg

Yan Vatulin

Academic degree: candidate of technical sciences

Science rang: docent

Emperor Alexander I Petersburg State Transport University Associate Professor · Russian Federation · St. Petersburg

Aleksandr Vorob'ev

Academic degree: doctor of technical sciences

Science rang: professor

Emperor Alexander I St. Petersburg State Transport University Professor · Russian Federation · St. Petersburg

Kirill Sotnikov

Emperor Alexander I Petersburg State Transport University Graduate student · Russian Federation · Saint-Petersburg

ABSTRACT

Purpose of the work: study of the formation of a complex air structure under conditions of rolling stock movement along extended underground structures using numerical modeling methods. Methods: an analysis of the influence of aerodynamic factors on rolling stock, passengers and railway infrastructure was carried out based on the finite element and volume method. The reasons for the occurrence of a compacted air zone, which appears in front of the head car of the train and exerts significant resistance to the movement of the train using the “Frozen Rotor” method, have been investigated. The indicators of energy efficiency and safety of the process of freight and passenger transportation are analyzed, taking into account the processes of aerodynamic interaction of moving rolling stock and artificial tunnel-type structures. Results: using numerical modeling and the use of the “Frozen Rotor” method, it was possible to obtain a qualitative picture of the distribution of transverse vortex air flows resulting from the occurrence of viscous friction. Regularities were discovered in the changes in the dynamics of pressure and speed of air masses on the surface of the head fairing when a train enters a tunnel. The fact of the negative impact of zones of high and low pressure, as well as their sharp drop, on the locomotive crew and passengers has been established. Practical significance: the possibility of conducting research in the field of aerodynamics of railway transport using modern numerical modeling methods is shown. This topic is very relevant in the field of designing high-speed rolling stock.

KEYWORDS

aeroelastic interaction, artificial tunnel-type structures, energy efficiency, numerical modeling, transverse vortices, piston, effect

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GOST

Bogdanov N. V., Vatulin Y. S., Vorob'ev A. A., Sotnikov K. A. Use of numerical modeling in analysis of aeroelastic interaction of rolling stock with tunnel constructions // . 2024. pp. 65-73. DOI: https://doi.org/10.20295/2223-9987-2024-01-65-73. (Date of access 20.08.2026).

MLA

Nikita Bogdanov, Vatulin Y. S., Vorob'ev A. A., Sotnikov K. A.. "Use of numerical modeling in analysis of aeroelastic interaction of rolling stock with tunnel constructions." (2024): 65-73. DOI: https://doi.org/10.20295/2223-9987-2024-01-65-73.

APA

Bogdanov N. V., Vatulin Y. S., Vorob'ev A. A., Sotnikov K. A. (2024). Use of numerical modeling in analysis of aeroelastic interaction of rolling stock with tunnel constructions. , 65-73. https://doi.org/10.20295/2223-9987-2024-01-65-73

Chicago

Nikita Bogdanov, Vatulin Y. S., Vorob'ev A. A., Sotnikov K. A.. "Use of numerical modeling in analysis of aeroelastic interaction of rolling stock with tunnel constructions." , no. (2024): 65-73. https://doi.org/10.20295/2223-9987-2024-01-65-73.

WIKI

{{cite journal | author = Bogdanov N. V., Vatulin Y. S., Vorob'ev A. A., Sotnikov K. A. | title = Use of numerical modeling in analysis of aeroelastic interaction of rolling stock with tunnel constructions | journal = | year = 2024 | pages = 65-73 | doi = 10.20295/2223-9987-2024-01-65-73 }}

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USE OF NUMERICAL MODELING IN ANALYSIS OF AEROELASTIC INTERACTION OF ROLLING STOCK WITH TUNNEL CONSTRUCTIONS Use of numerical modeling in analysis of aeroelastic interaction of rolling stock with tunnel constructions

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