Zobrazeno 1 - 10
of 21
pro vyhledávání: '"Artur Król"'
Publikováno v:
BMC Public Health, Vol 23, Iss 1, Pp 1-15 (2023)
Abstract Background Given the nature of the spread of SARS-CoV-2, strong regional patterns in the fatal consequences of the COVID-19 pandemic related to local characteristics such as population and health care infrastructures were to be expected. In
Externí odkaz:
https://doaj.org/article/fef496b699654b77b586044063f0f7a9
Publikováno v:
Medžiagotyra, Vol 21, Iss 3, Pp 466-472 (2015)
The paper presents the results of research of durability tests of porous sleeves under differed conditions (600, 1000 and 1400 rpm, duration of the tests: 100, 200 and 1000 hours, temperature 60, 80 and 130˚C) of one oil. During the tests a temperat
Externí odkaz:
https://doaj.org/article/c01c7f06e7b947d78dd16eee8ca88433
Autor:
Artur Król, Krzysztof Kasza
Publikováno v:
Medžiagotyra, Vol 21, Iss 3, Pp 410-414 (2015)
Polymer bearings are widely used due to dry-lubrication mechanism, low weight, corrosion resistance and free maintenance. They are applied in different tribological pairs, i.e. household appliances, mechatronics systems, medical devices, food machine
Externí odkaz:
https://doaj.org/article/1ca5a185425949dba59a976b71116c9a
Publikováno v:
Biuletyn Wojskowej Akademii Technicznej, Vol 63, Iss 1, Pp 87-100 (2014)
In this article there are presented some selected results of research works on new generationporous slide bearings, sintered from Höganas NC .100.24 iron powder, with addition of hexagonalboron nitride h-BN instead of copper or graphite powder. The
Externí odkaz:
https://doaj.org/article/1f2dd7f6853e41a88b1646cc3247df9d
Publikováno v:
Energies, Vol 15, Iss 6, p 2266 (2022)
The paper presents chosen experimental and model methods of investigating heat transfer in a steel porous charge. The results of this investigation provide information on both the qualitative and quantitative course of the analysed processes of heat
Externí odkaz:
https://doaj.org/article/de58a444776c42998dc6d83916571e27
Publikováno v:
Materials; Volume 15; Issue 15; Pages: 5112
Due to their properties, porous sliding bearings are considered to be maintenance-free, which means that no lubrication is required during operation. Their design enables operation at low rotational speeds with high load. Another effect of this beari
Autor:
Kajetan Trzciński, Artur Król
Publikováno v:
SSRN Electronic Journal.
Publikováno v:
Applied Sciences, Vol 14, Iss 22, p 10638 (2024)
This paper presents the use of noncontact ultrasound for the nondestructive detection of defects in two plastic plates made of polyamide (PA6) and polyethylene (PE). The aim of the study was to: (1) assess the presence of defects as well as their siz
Externí odkaz:
https://doaj.org/article/eaf340befeae4b059d55d46a907791d9
Publikováno v:
Tribologia. 282:71-78
Heat generation and dissipation in dry polymer bearings are important aspects in their design and operation, because the overheating may lead to fast wear or product damage. The estimation of the maximum temperature under defined load conditions is c
Publikováno v:
Journal of KONES. Powertrain and Transport. 22:107-114