Zobrazeno 1 - 10
of 47
pro vyhledávání: '"Wojciech Horak"'
Publikováno v:
Materials, Vol 16, Iss 17, p 5730 (2023)
The paper presents the results of eight magnetorheological (MR) fluids of different compositions. Magnetite and carbonyl iron were used as magnetic particles. MR fluids based on glycerin and OKS 352 oil were produced using stabilizers in the form of
Externí odkaz:
https://doaj.org/article/80b6fe57d269416ba36ebf1f2e75a433
Autor:
Sylwia Fiejdasz, Adriana Gilarska, Wojciech Horak, Agnieszka Radziszewska, Tomasz Strączek, Michał Szuwarzyński, Maria Nowakowska, Czesław Kapusta
Publikováno v:
Journal of Materials Research and Technology, Vol 15, Iss , Pp 3149-3160 (2021)
Novel, structurally stable hybrid magnetic materials based on polymers of natural origin and containing superparamagnetic iron oxide nanoparticles (SPIONs) were obtained. SPIONs coated with the chitosan derivative were linked with the chitosan-collag
Externí odkaz:
https://doaj.org/article/85bbc117b13b44bb9e983e58e7c00927
Autor:
Joanna Klara, Sylwia Onak, Andrzej Kowalczyk, Wojciech Horak, Kinga Wójcik, Joanna Lewandowska-Łańcucka
Publikováno v:
International Journal of Molecular Sciences, Vol 24, Iss 5, p 4959 (2023)
Alendronate (ALN) is the most commonly prescribed oral nitrogen-containing bisphosphonate for osteoporosis therapy. However, its administration is associated with serious side effects. Therefore, the drug delivery systems (DDS) enabling local adminis
Externí odkaz:
https://doaj.org/article/e14caf6e816b4e5d82a2690f7bf99f97
Publikováno v:
Scientific Journal of Silesian University of Technology. Series Transport, Vol 83, Pp 109-115 (2014)
The paper presents a concept of a didactic research rig for investigation and visualization of pressure distribution in an oil film of a journal fluid friction slide bearing. The rig being presented may be used during classes on subjects associated m
Externí odkaz:
https://doaj.org/article/9c80fd5f10c14d67a5ff42b744bf8e3d
Publikováno v:
Scientific Journal of Silesian University of Technology. Series Transport, Vol 83, Pp 243-249 (2014)
In recent years, there has been development of the structure of thrust bearing with magnetic fluids . The essence of this type of bearing is to maintain a liquid lubricant in a very narrow gap with magnetic fluid by a magnetic field. Such systems can
Externí odkaz:
https://doaj.org/article/9c672a04fe04430d888b7f48deb008ab
Publikováno v:
Scientific Journal of Silesian University of Technology. Series Transport, Vol 82, Pp 109-115 (2014)
The paper presents the results of research about alternative grease - glycerin. Tests were made on four-ball apparatus. Analysis of results confirms that glycerin can be used for lubrication in friction nodes. This work includes results of wear tests
Externí odkaz:
https://doaj.org/article/5a09a6537d574016909a61a1c712d321
Autor:
Barbara Stępień, Wojciech Horak
Publikováno v:
Tribologia. 302:73-83
Magnetorheological (MR) fluids are classified as smart materials. They are non-homogeneous substances of complex composition and are characterised by complex rheological properties. In addition, the characteristics of their behaviour can be actively
Publikováno v:
Acta Mechanica et Automatica. 16:408-416
This paper presents the results of a rheological test of a commercial magnetorheological (MR) fluid (MRF-132DG). The research includes the problem of measuring and interpreting limit stresses under conditions close to the magnetic saturation of the f
Autor:
Wojciech Horak, Marcin Szczęch
Publikováno v:
Tribologia. 301:113-120
Magnetic fluid seals are used in many applications, primarily in gas and vacuum environments. The unique properties of this type of seal are very low torque friction, high tightness, and almost unlimited durability. These parameters are also expected
Publikováno v:
Management Systems in Production Engineering. 30:377-387
The article concerns the computational model for analysing the stability of the BEV LHD loader. Works were carried out to develop an innovative, light battery-powered loader, which was the subject of an R&D project implemented in cooperation with Bum