Zobrazeno 1 - 10
of 27
pro vyhledávání: '"Sviatoslav KRYSHTOPA"'
Autor:
Teodor Mandziy, Iryna Ivasenko, Olena Berehulyak, Roman Vorobel, Michał Bembenek, Sviatoslav Kryshtopa, Liubomyr Ropyak
Publikováno v:
Lubricants, Vol 12, Iss 5, p 172 (2024)
The improvement of drilling rig systems to ensure a reduction in unproductive time spent on lowering and lifting operations for replacing drilling tools and restoring the performance of drilling equipment units is an important task. At the same time,
Externí odkaz:
https://doaj.org/article/d56a83e75fa341ffb348584fd0159aa5
Autor:
Vasyl Mateichyk, Sviatoslav Kryshtopa, Liudmyla Kryshtopa, Miroslaw Smieszek, Nataliia Kostian, Jakub Mosciszewski, Nazar Marchuk
Publikováno v:
Machines, Vol 12, Iss 5, p 285 (2024)
The use of alternative fuels remains an important factor in solving the problem of reducing harmful substances caused by vehicles and decarbonising transport. It is also important to ensure the energy efficiency of vehicle power plants when using dif
Externí odkaz:
https://doaj.org/article/977797c8b5474571ace9d0ccbec637fa
Publikováno v:
Energies, Vol 16, Iss 24, p 7955 (2023)
Nowadays, a car’s engine oil change interval is an essential factor in reducing wear. The correct choice depends on various factors. This study analyzes the changes in the composition of three different engine oils (0W30, 5W30, and 5W40) during the
Externí odkaz:
https://doaj.org/article/ba46253503cc4d0a86f3aac0aab40606
Autor:
Sviatoslav Kryshtopa, Krzysztof Górski, Rafał Longwic, Ruslans Smigins, Liudmyla Kryshtopa, Jonas Matijošius
Publikováno v:
Energies, Vol 15, Iss 9, p 3024 (2022)
This work is aimed at solving the problem of converting diesel power drives to diesel–hydrogen fuels, which are more environmentally friendly and less expensive alternatives to diesel fuel. The method of increasing the energy efficiency of diesel f
Externí odkaz:
https://doaj.org/article/a55cf402a21f4a89b08b7ed727507340
Autor:
Myroslav PANCHUK, Sviatoslav KRYSHTOPA, Liubomyr SHLAPAK, Liudmyla KRYSHTOPA, Andrii PANCHUK, Volodymyr YAROVYI, Aleksander SŁADKOWSKI
Publikováno v:
Transport Problems, Vol 12, Iss 4, Pp 15-26 (2017)
The analysis of biological resources for biofuels production in Ukraine has been carried out, and it has been shown that usage of alternative energy sources has great potential for substantially improving energy supply of the state and solving enviro
Externí odkaz:
https://doaj.org/article/8c73548cd8e742d4b685990193002df4
Autor:
Sviatoslav KRYSHTOPA, Liudmyla KRYSHTOPA, Vasyl MELNYK, Bohdan DOLISHNII, Igor PRUNKO, Yaroslav DEMIANCHUK
Publikováno v:
Transport Problems, Vol 12, Iss 2, Pp 53-63 (2017)
This article considers the possibility of spirit fusel oil being used as an addition to agile fuels. Results of experimental research on diesel engines working on mixtures of diesel fuel and fusel oils are given. The fuel economy and ecological index
Externí odkaz:
https://doaj.org/article/6afe9c2351b04017992850c25c1bd077
Publikováno v:
Energies, Vol 14, Iss 6, p 1710 (2021)
The work is aimed at solving the problem of converting existing diesel power drives to gas fuels, which are cheaper and more environmentally friendly alternatives to diesel fuel. Method of energy efficiency increasing of alternative fuels has been im
Externí odkaz:
https://doaj.org/article/9ac864d71132423185cbbbb9d7ee30a2
Autor:
Volodymyr Korohodskyi, Dmitry Leontiev, Andrii Rogovyi, Sviatoslav Kryshtopa, Igor Gritsuk, Oleksandr Voronkov, Demian Prokopiuk
Publikováno v:
SAE Technical Paper Series.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3711f376b170c05ef6cf04e73c2ef26a
https://doi.org/10.4271/2022-01-1000
https://doi.org/10.4271/2022-01-1000
Publikováno v:
2022 International Conference on Decision Aid Sciences and Applications (DASA).
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cf362d41551ca795489470ffc02b823a
https://doi.org/10.1109/dasa54658.2022.9764976
https://doi.org/10.1109/dasa54658.2022.9764976
Autor:
Volodymyr Korohodskyi, Georgiy Slyn’ko, Oleh Vasylenko, Andrii Rogovyi, Volodymyr Manoylo, Andrii Polivyanchuk, Vasiliy Migal, Oleksandr Osetrov, Sviatoslav Kryshtopa
Publikováno v:
Eastern-European Journal of Enterprise Technologies, Vol 2, Iss 5 (104), Pp 39-52 (2020)
An operating process for engines with spark ignition and direct fuel injection engines which ensures the formation of a stratified lean fuel-air charge under the modes of partial loads and the power composition of the fuel-air mixture at high loads h
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7191361292140d1f4929d885400d1c13
http://journals.uran.ua/eejet/article/view/200766
http://journals.uran.ua/eejet/article/view/200766