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Oleksii Korpach

  • 3 Articles
  • 100 Views

National Transport University

https://orcid.org/0000-0002-2496-4395

All articles

open access

IMPROVING PERFORMANCE OF SPARK-IGNITION ENGINES BY CHANGING THE VALVE TIMING AND LIFT

internal combustion engine, valve timing, intake valve lift

Anatolii Korpach, Oleksandr Levkivskyi, Oleksii Korpach

https://doi.org/10.33744/0365-8171-2025-118.1-214-224

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open access

SOUND ABSORBING COMPLEX AS PROTECTION AGAINST TRANSPORT NOISE

noise pollution, traffic noise, cars, highways, noise protection structures, acoustic screens, sound-absorbing properties, sailing

Volodymyr Fedorov, Oleksii Korpach, Dmytro Yashchenko, Volodymyr Bosenko

https://doi.org/10.33744/0365-8171-2025-117.1-171-177

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open access

LOW-FREQUENCY SOUND-ABSORBING SCREEN

highways, traffic noise, acoustic efficiency, sound-absorbing screen, noise protection screen, frequency, sound waves

Volodymyr Fedorov, Oleksii Korpach, Dmytro Yashchenko, Volodymyr Bosenko

https://doi.org/10.33744/0365-8171-2026-119-028-036

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