MAIN COMPREHENSIVE OPERATING PARAMETER FOR ELECTROTHERMOMECHANICAL FRICTION IN BRAKE DEVICES

Authors

DOI:

https://doi.org/10.18372/0370-2197.3(112).21631

Keywords:

brake device, friction pair, non-equilibrium tribothermodynamics, entropy, complex parameter, dynamic friction coefficient

Abstract

The article proposes an algorithm for determining entropy, which is a complex parameter of non-equilibrium tribothermodynamics for their refined influence in pairs of friction pairs of brake devices. Entropy is a complex parameter of the state of the tribosystem, including the amount of heat generated in the areas of contact spots of macroprotrusions of friction pairs, impulse specific loads, surface-volume temperatures and volumes of materials of surface and near-surface layers of polymer linings. The research is based on the principle that all the work of impulse friction forces during frictional interaction of pairs in friction nodes is converted into heat, while cases of isothermal, isobaric and isochoric processes in conjugated friction pairs are possible, and as a result, isentropic phenomena are possible, which allows for equilibrium tribothermodynamics. The change in entropy is given for different states of the surface-volume mass of the friction lining of the brake friction node.

Author Biographies

Myroslav Kindrachuk, National University “Kyiv Aviation Institute”

Dr. technical Sciences, corresponding member of the National Academy of Sciences of Ukraine, professor of the Department of Applied Mechanics and Materials Engineering, National University "Kyiv Aviation Institute".

Vasyl Scrypnyk, Ivano-Frankivsk National Technical University of Oil and Gas

Dr. technical of Sciences, professor, department of road transport, Ivano-Frankivsk National Technical University of Oil and Gas.

Dmytro Zhuravlоv, Ivano-Frankivsk National Technical University of Oil and Gas; Kharkiv National Automobile and Road University

Doctor of Technical Sciences, Associate Professor of the Department of Technical Mechanics, Engineering and Computer Graphics Ivano-Frankivsk National Technical University of Oil and Gas, Doctoral Student of the Department of Construction and Road Machinery of the Kharkiv National Automobile and Road University.

Yevhen Andreychikov, Ivano-Frankivsk National Technical University of Oil and Gas

Lieutenant Colonel, Senior Lecturer of the Department of Military Training Ivano-Frankivsk National Technical University of Oil and Gas.

Oleksandr Burava, vano-Frankivsk National Technical University of Oil and Gas

senior lecturer, lieutenant colonel of the Department of Military Training, Ivano-Frankivsk National Technical University of Oil and Gas.

Viktor  Nishchuk , Ivano-Frankivsk National Technical University of Oil and Gas

Major, Lecturer, Department of Military Training, Ivano-Frankivsk National Technical University of Oil and Gas.

Andriy Prysyazhny, Ivano-Frankivsk National Technical University of Oil and Gas

Major, Lecturer, Department of Military Training, Ivano-Frankivsk National Technical University of Oil and Gas, 15 Karpatska St., Ivano-Frankivsk, Ukraine

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Published

2026-10-18

How to Cite

Kindrachuk, M., Scrypnyk, V., Zhuravlоv D., Andreychikov, Y., Burava, O., Nishchuk , V., & Prysyazhny, A. (2026). MAIN COMPREHENSIVE OPERATING PARAMETER FOR ELECTROTHERMOMECHANICAL FRICTION IN BRAKE DEVICES. Problems of Friction and Wear, (3(112), 197–208. https://doi.org/10.18372/0370-2197.3(112).21631

Issue

No. 3(112) (2026)

Section

Проблеми тертя та зношування

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