Author

Oleksandr Lapshyn

Doctor of Technical Sciences, Professor

Kryvyi Rih National University

50027, 11 Vitalii Matusevich Str., Kryvyi Rih, Ukraine

https://orcid.org/0000-0002-8658-4259

  • 8 Articles
  • 213 Views

All articles

open access
https://doi.org/10.31721/2306-5451-2021-1-52-44-49

Keywords: refuge chamber; mine working; safety; injuring people; accident; microclimate; rescuing workers

Suggested citation

Lapshyn, О., Hatskyi, A., & Hatskyi, І. (2021). Safety measures in case of accidents in mine workings based on the use of mobile refuge chamber. Journal of Kryvyi Rih National University, 19(1), 44-49. https://doi.org/10.31721/2306-5451-2021-1-52-44-49
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27.04.2021 313 Views Journal of Kryvyi Rih National University - Vol. 19, No. 1, 2021
open access
https://doi.org/10.31721/2306-5451-2022-1-54-70-76

Keywords: working; raise; dust; gases; explosion; safety; injuries; cabin

Suggested citation

Lapshyn, О., & Khudyk, M. (2022). Safety driving of raise workings with the help of drilling machines. Journal of Kryvyi Rih National University, 20(1), 70-75. https://doi.org/10.31721/2306-5451-2022-1-54-70-76
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26.04.2022 339 Views Journal of Kryvyi Rih National University - Vol. 20, No. 1, 2022
open access
https://doi.org/10.31721/2306-5451-2022-1-55-131-137

Keywords: industrial noise; noise muffler; sound-absorbing material; soundproof cabin; sound insulation; casing; screen; earpiece

Suggested citation

Lapshyn, О., & Khudyk, M. (2022). Increasing the efficiency of collective protection from industrial noise in the mining industry. Journal of Kryvyi Rih National University, 20(2), 131-137. https://doi.org/10.31721/2306-5451-2022-1-55-131-137
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28.11.2022 322 Views Journal of Kryvyi Rih National University - Vol. 20, No. 2, 2022
open access
https://doi.org/10.31721/2306-5451-2023-1-56-99-104

Keywords: safety; site; cone crusher; receiving bunker; air pollution

Suggested citation

Lapshyn, О., & Kovalenko, S. (2023). Improving labor safety during the maintenance of the ore unloading site and the repair of cone crushers in the quarry. Journal of Kryvyi Rih National University, 21(1), 99-104. https://doi.org/10.31721/2306-5451-2023-1-56-99-104
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25.04.2023 340 Views Journal of Kryvyi Rih National University - Vol. 21, No. 1, 2023
open access
https://doi.org/10.31721/2306-5451-2024-1-58-124-130

Keywords: ventilation; air; seasons; dust; temperature; humidity; speed; climatic fluctuations; efficiency

Suggested citation

Lapshyn, О., & Yaroshenko, H. (2024). Optimization of ventilation systems in titanium-zirconium ore beneficiation plants: a comprehensive study of temperature-dependent work. Journal of Kryvyi Rih National University, 22(1), 124-129. https://doi.org/10.31721/2306-5451-2024-1-58-124-130
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26.04.2024 551 Views Journal of Kryvyi Rih National University - Vol. 22, No. 1, 2024
open access
https://doi.org/10.31721/2306-5451-2024-1-58-130-137

Keywords: mining and geological conditions; construction safety; stability increase; mining; impact on existing facilities; seismic isolation; risks

Suggested citation

Lapshyn, О., & Yaroshenko, V. (2024). Comprehensive study of the harmful effects of complex mining and geological conditions on the safety of construction, mining and existing civil and industrial facilities. Journal of Kryvyi Rih National University, 22(1), 130-137. https://doi.org/10.31721/2306-5451-2024-1-58-130-137
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26.04.2024 402 Views Journal of Kryvyi Rih National University - Vol. 22, No. 1, 2024
open access
https://doi.org/10.31721/2306-5451-2025-1-23-10-20

Keywords: ventilation; industrial premises; heat conservation; aerodynamic characteristics; energy-saving technologies; air balance

Suggested citation

Lapshyn, О., & Yaroshenko, H. (2025). Optimisation of air exchange and heat transfer using coaxial air ducts. Journal of Kryvyi Rih National University, 23(1), 10-20. https://doi.org/10.31721/2306-5451-2025-1-23-10-20
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30.06.2025 533 Views Journal of Kryvyi Rih National University - Volume 23, No. 1, 2025
open access
https://doi.org/10.31721/2306-5451-2025-2-23-10-18

Keywords: sound level; sound insulation; sound wave; sound-absorbing layer; mineral packing; sound-insulating panel

Suggested citation

Laphyn, O.E., Lapshyn, О., & Khudyk, M. (2025). Occupational noise protection in workshops with operating equipment. Journal of Kryvyi Rih National University, 23(2), 10-18. https://doi.org/10.31721/2306-5451-2025-2-23-10-18
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24.12.2025 366 Views Journal of Kryvyi Rih National University - Volume 23, No. 2, 2025
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