Predicting the Durability of Aircraft Electric Wires with Irradiated Polyolefin Insulation

Authors

  • Михаил [Mikhail] Андреевич [A.] Боев [Boev]
  • Сергей [Sergey] Александрович [A.] Юскин [Yuskin]
  • Артем [Artem] Андреевич [A.] Брюханов [Bryukhanov]

DOI:

https://doi.org/10.24160/1993-6982-2024-3-11-16

Keywords:

aircraft, onboard electrical wires, induction oxidation period, structurally sensitive parameter, aircraft equipment operation, cross-linked polyethylene, polyvinylidene fluoride

Abstract

The article presents a theoretical approach to calculating the durability of the BPDO type (where B stands for onboard, P for wire, and DO for insulation made of thermally stabilized cross-linked polyethylene and a protective layer of fluoroplastic) wires with irradiated polyolefin insulation, which are most widely used in aircraft applications. Earlier studies have shown that for low-voltage wires with a small thickness of insulation, its destruction is in most cases caused by gradual thermal oxidative destruction of the polymer. Therefore, by determining the induction period or an indicator associated with it through a correlation, it is possible to predict the cable product durability. A theoretical substantiation of the appearance of the structurally sensitive insulation parameter TIO, obtained as the temperature value at the intersection of the tangents to the base (baseline) and the left arm of the exothermic peak on the curve of thermal analysis of polyolefin insulation samples, is considered. Calculation formulas and kinetic parameters for aging of BPDO type onboard wires are proposed.

Author Biographies

Михаил [Mikhail] Андреевич [A.] Боев [Boev]

Dr.Sci. (Techn.), Professor of Physics and Technologies of Electrical Materials and Components Dept., NRU MPEI, Full Member of the Academy of Electrotechnical Sciences of the Russian Federation, e-mail: maboev@mail.ru

Сергей [Sergey] Александрович [A.] Юскин [Yuskin]

Ph.D. (Techn.), Head of Department, Expert, State Scientific Research Institute of Civil Aviation, e-mail: yuskin_sa@ncplg.ru 

Артем [Artem] Андреевич [A.] Брюханов [Bryukhanov]

Engineer, State Scientific Research Institute of Civil Aviation, e-mail: bryhanov_aa@ncplg.ru

References

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Для цитирования: Боев М.А., Юскин С.А., Брюханов А.А. Прогнозирование долговечности авиационных электропроводов с облучённой полиолефиновой изоляцией // Вестник МЭИ. 2024. № 3. С. 11—16. DOI: 10.24160/1993-6982-2024-3-11-16
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Конфликт интересов: авторы заявляют об отсутствии конфликта интересов
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2. Sirota A.G. Modifikatsiya Struktury i Svoystv Poliolefinov. L.: Khimiya, 1984. (in Russian).
3. Ma J., Nan X., Liu J. Investigation of the Dielectric, Mechanical, and Thermal Properties of Noncovalent Functionalized MWCNTs/polyvinylidene Fluoride (PVDF) Composites. Polym. Adv. Technol. 2016;59(1):1—8.
4. Tsvayfel' Kh., Maer R.D., Shiller M. Dobavki k Polimeram. SPb.: Professiya, 2010. (in Russian).
5. Harlin A., Danikas M.G., Hyvnen P. Polyolefin Insulation Degradation in Electrical Field Below Critical Inception Voltages. J. Electrical Eng. 2005;56(5—6):135—140.
6. Boev M.A., Edemskaya V.V., Kholodnyy S.D. Issledovanie Okisleniya Polietilenovoy Izolyatsii Nizkovol'tnykh Provodov Metodom Skaniruyushchey Kalorimetrii. Kabel'naya Tekhnika. 1994;5(243):2—4. (in Russian).
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For citation: Boev M.A., Yuskin S.A., Bryukhanov A.A. Predicting the Durability of Aircraft Electric Wires with Irradiated Polyolefin Insulation. Bulletin of MPEI. 2024;3:11—16. (in Russian). DOI: 10.24160/1993-6982-2024-3-11-16
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Conflict of interests: the authors declare no conflict of interest

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Published

2024-02-20

Issue

No. 3 (2024): Вulletin № 3

Section

Theoretical and applied electrical engineering (technical sciences) (2.4.1.)