Vol. 2 No. 1 (140) (2026): Engineering technological systems

Published: 2026-04-30

Full Issue

Engineering technological systems

Determining the influence of barrel length on the ballistic characteristics of hunting cartridges

Victor Golub, Serhii Bisyk, Gennadii Golub, Ihor Zozulevych, Oleksandr Kuprinenko, Leonid Davydovs’kyi, Sviatoslav Sedov, Oleh Aristarkhov

6-12
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Assessment of the bearing capacity of rigid secondary support systems for gob-side retained entries based on strain energy analysis

Daria Chepiga, Leonid Bachurin, Serhii Podkopaiev, Danylo Polii, Olena Visyn, Yevgen Podkopayev, Halyna Herasymchuk, Yaroslava Bachurina

13-24
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Substantiating the design of equipment for preparing oil and gas field products for transportation

Tetiana Nesterenko, Ivan Nazarenko, Mykola Nesterenko, Oleksandr Shevchenko, Andrii Khyzhniak, Iryna Bernyk, Artur Onyshchenko, Roman Moshkivskyi

25-34
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Devising a technique for constructing tubular surfaces referred to a coordinate grid of lines of curvature

Andrii Nesvidomin, Serhii Pylypaka, Tetiana Volina, Victor Nesvidomin, Oleksandr Solarov, Taras Voloshko, Taras Pylypaka, Lidiia Savchenko, Oleksandr Savchenko, Irina Zakharova

35-41
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Ergonomic optimization of a manual wheeled furrowing implement (IMRS) using user-centered design methodologies: a case study in Peruvian smallholder agriculture

Cesar Augusto Castillo Roque, Wendy Carolina Yupanqui Leon, Trunks Giorgio Vasquez Llave, Jose Carlos Canazas Rodriguez, Yuri Lester Silva Vidal, Jose Fernando Garate Delgado

42-56
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Identification of the performance mechanical secondary safety brake under hydraulic failure conditions: experimental assessment under fluid leakage

Rolan Siregar, Asyari Asyari, Suzuki Syofian

57-65
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Improving efficiency indicators and reducing CO2 emissions by using hydrogen and methane additives to gasoline in a spark-ignition engine

Andrii Marchenko, Mykyta Mishchenko

66-77
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Development of a validated computational fluid dynamics model for film cooling efficiency calculation

Oleg Shevchuk, Oleksandr Tarasov

78-90
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Design of a consolidated swirler monopart structure by optimizing the processes of micrometallurgical layer-to-layer fusion of heat-resistant alloys

Volodymyr Yefanov, Oleh Kalinichenko, Dmytro Kuts, Oleg Ovchynnykov, Hanna Laptieva

91-104
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Study of the regularities of centerline porosity formation in continuously cast billets depending on casting parameters

Yevhen Synehin, Volodymyr Ruban, Kostiantyn Niziaiev, Oleksandr Stoianov, Svitlana Zhuravlova

105-114
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Detection of the influence of flexographic printing speed on the occurence of the bouncing effect on imprints

Svitlana Havenko, Tetiana Telegina, Marta Labetska

115-124
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