Zobrazeno 1 - 10
of 131
pro vyhledávání: '"Andrzej Kulczycki"'
Autor:
Andrzej Kulczycki, Radoslaw Przysowa, Tomasz Białecki, Bartosz Gawron, Remigiusz Jasiński, Jerzy Merkisz, Ireneusz Pielecha
Publikováno v:
Energies, Vol 17, Iss 11, p 2622 (2024)
Drop-in fuels for aviation gas-turbine engines have been introduced recently to mitigate global warming. Despite their similarity to the fossil fuel Jet A-1, their combustion in traditional combustors should be thoroughly analyzed to maintain engine
Externí odkaz:
https://doaj.org/article/d194102e4d71495fb9653219b7b8eb03
Publikováno v:
Materials, Vol 17, Iss 4, p 785 (2024)
The aim of this article is to experimentally determine the role of the environment, consisting of a base oil (PAO), carbon nanomaterials, and optional other additives, as well as the kind of metal in contact with the lubrication film, in the stimulat
Externí odkaz:
https://doaj.org/article/b78d79358412448d946a0edb1671054c
Autor:
Andrzej Kulczycki
Publikováno v:
Religions, Vol 14, Iss 10, p 1271 (2023)
This article analyzes how and why a near-total abortion ban was recently secured by a populist ruling party with support from Catholic Church leaders and lay groups following earlier passage of one of the most restrictive abortion laws in Europe. The
Externí odkaz:
https://doaj.org/article/3c47bc7c351c455291072a970af8487e
Autor:
Joyce LaMori, Xue Feng, Christopher D. Pericone, Marco Mesa-Frias, Obiageli Sogbetun, Andrzej Kulczycki
Publikováno v:
PLoS ONE, Vol 17, Iss 2 (2022)
Poor compliance with multi-dose vaccine schedules by adults for whom hepatitis (Hep) A and B vaccines are recommended contributes to major Hep A and B disease burdens among high-risk U.S. adults. Evidence on hepatitis vaccine series adherence, comple
Externí odkaz:
https://doaj.org/article/cea92f98f93a48f49805852a55c9e6c0
Publikováno v:
Energies, Vol 15, Iss 17, p 6187 (2022)
This article reviews a study of the impact of synthetic biocomponents on the operational properties of aviation turbine engine fuels. The objective of the research was to simulate the functioning of aircraft fuel supply systems during the popularizat
Externí odkaz:
https://doaj.org/article/6c5f7d459ccf4d389941cd1b5b9423f4
Autor:
Andrzej KULCZYCKI
Publikováno v:
Combustion Engines, Vol 171, Iss 4, Pp 245-249 (2017)
The aim of this paper is presentation of the possibility of combustion processes modelling so that to better describe the influence of fuels chemistry on fuels combustion. This is important for prediction the behaviour of different alternative fuels
Externí odkaz:
https://doaj.org/article/0f106437335c44949ed45b185f30c125
Publikováno v:
Energies, Vol 14, Iss 19, p 6302 (2021)
The paper aims to verify the thesis that the reactivity model, developed in earlier research, can be used to compare the fuels combustion processes in turbine engines, which is important for predicting the behavior of different alternative fuels in c
Externí odkaz:
https://doaj.org/article/ddb08bf7b23d44d8bf1100a114301de3
Autor:
Joanna Kowalczyk, Monika Madej, Wojciech Dzięgielewski, Andrzej Kulczycki, Magdalena Żółty, Dariusz Ozimina
Publikováno v:
Materials, Vol 14, Iss 13, p 3529 (2021)
If a lubricant contains structures capable of conducting energy, reactions involving zinc dialkyldithiophosphate (ZDDP) may take place both very close to and away from the solid surfaces, with this indicating that ZDDP can be a highly effective anti-
Externí odkaz:
https://doaj.org/article/16cb9d563cbd477797116c2424229359
Autor:
Stanisław KRUCZYŃKI, Marcin ŚLĘZAK, Wojciech GIS, Piotr ORLIŃSKI, Andrzej KULCZYCKI, Wojciech DZIĘGIELEWSKI, Mateusz BEDNARSKI
Publikováno v:
Combustion Engines, Vol 170, Iss 3, Pp 154-158 (2017)
This paper discusses briefly the production technology of dimethyl ether, taking into account plant raw materials and the physical and chemical properties of DME as compared to diesel fuel. The benefits and disadvantages of DME as a fuel are presente
Externí odkaz:
https://doaj.org/article/eadacb844a3542c5b029ff1dea4a1592
Autor:
Jarosław Kałużny, Andrzej Kulczycki, Wojciech Dzięgielewski, Adam Piasecki, Bartosz Gapiński, Michał Mendak, Tomasz Runka, Damian Łukawski, Oleksandr Stepanenko, Jerzy Merkisz, Krzysztof Kempa
Publikováno v:
Nanomaterials, Vol 10, Iss 7, p 1330 (2020)
Experimental studies reveal that the simultaneous addition of zinc dialkyl dithiophosphates (ZDDPs) and multi-wall carbon nanotubes (MWCNTs) to a poly-alpha-olefin base oil strongly reduces wear. In this paper, it is shown that MWCNTs promote the for
Externí odkaz:
https://doaj.org/article/60d4bd2d26d3471b8b31eb811a1ec183