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Complex Heat Exchange in Friction Steam of Brakes

Author

Listed:
  • Ivan Kernytskyy

    (Institute of Civil Engineering, Warsaw University of Life Sciences—SGGW, 166 Nowoursynowska St., 02-787 Warsaw, Poland)

  • Aleksandr Volchenko

    (Institute of Mechanical Engineering, Ivano-Frankivsk National Technical University of Oil and Gas, 15 Karpacka St., 76000 Ivano-Frankivsk, Ukraine)

  • Olga Szlachetka

    (SGGW Water Centre, Warsaw University of Life Sciences—SGGW, 166 Nowoursynowska St., 02-787 Warsaw, Poland)

  • Orest Horbay

    (Department of Transport Technologies, Lviv Polytechnic National University, 12 Stepana Bandery St., 79000 Lviv, Ukraine)

  • Vasyl Skrypnyk

    (Institute of Mechanical Engineering, Ivano-Frankivsk National Technical University of Oil and Gas, 15 Karpacka St., 76000 Ivano-Frankivsk, Ukraine)

  • Dmytro Zhuravlev

    (Institute of Mechanical Engineering, Ivano-Frankivsk National Technical University of Oil and Gas, 15 Karpacka St., 76000 Ivano-Frankivsk, Ukraine)

  • Vasyl Bolonnyi

    (Drohobych Specialized College of Oil and Gas, 57 Mykhaila Hrushevs’koho St., 82100 Drohobych, Ukraine)

  • Volodymyr Yankiv

    (Department of Mechanical and Energy, Lviv National Agrarian University, 1 Volodymyra Velykoho St., 30831 Dubliany, Ukraine)

  • Ruslan Humenuyk

    (Department of Mechanical and Energy, Lviv National Agrarian University, 1 Volodymyra Velykoho St., 30831 Dubliany, Ukraine)

  • Pavlo Polyansky

    (Department of Mechanical, Mykolayiv National Agrarian University, 17 Ukraine Krylova St., 54040 Mykolayiv, Ukraine)

  • Aleksandra Leśniewska

    (Institute of Civil Engineering, Warsaw University of Life Sciences—SGGW, 166 Nowoursynowska St., 02-787 Warsaw, Poland)

  • Dariusz Walasek

    (Institute of Building Engineering, Warsaw University of Technology, Aleja Armii Ludowej 16, 00-637 Warsaw, Poland)

  • Eugeniusz Koda

    (Institute of Civil Engineering, Warsaw University of Life Sciences—SGGW, 166 Nowoursynowska St., 02-787 Warsaw, Poland)

Abstract

In this article the structural features of friction pairs of brakes are analyzed. Heat transfer processes with new boundary conditions are described analytically with the addition of flow conditions and the appearance of a boundary thermal layer to convective heat transfer. The joint action of heat conduction and convection fields is presented. The release of heat during friction is due to the destruction of adhesive bonds in the actual contact zones, and the stress–strain state of micro-roughnesses. It should be said that due to the presence of accompanying transfer processes, complex heat transfer is much more complex compared to purely conductive, convective, and radiative heat transfer, which significantly complicates its analytical and experimental study. In this regard, the processes of complex heat transfer are currently studied little. From the point of view of non-equilibrium thermodynamics, the main task of describing the transfer process is to establish a relationship between the magnitude of the specific flux and the surface-volume temperatures that it causes in the metallic friction elements of the brakes. Additionally, as a result, an assessment of conductive and convective heat transfer in friction pairs of brake devices was made.

Suggested Citation

  • Ivan Kernytskyy & Aleksandr Volchenko & Olga Szlachetka & Orest Horbay & Vasyl Skrypnyk & Dmytro Zhuravlev & Vasyl Bolonnyi & Volodymyr Yankiv & Ruslan Humenuyk & Pavlo Polyansky & Aleksandra Leśniews, 2022. "Complex Heat Exchange in Friction Steam of Brakes," Energies, MDPI, vol. 15(19), pages 1-11, October.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:19:p:7412-:d:937335
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    References listed on IDEAS

    as
    1. Rafał Wyczółkowski & Vazgen Bagdasaryan & Marek Gała & Paweł Artur Król, 2022. "The Review of Chosen Methods Used to Investigate Heat Transfer in a Steel Porous Charge," Energies, MDPI, vol. 15(6), pages 1-23, March.
    2. Carlo Cravero & Davide Marsano, 2022. "Flow and Thermal Analysis of a Racing Car Braking System," Energies, MDPI, vol. 15(8), pages 1-16, April.
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