Zobrazeno 1 - 10
of 24
pro vyhledávání: '"Thomas Norrby"'
Autor:
Bettina Ronai, Christoph Schneidhofer, Franz Novotny-Farkas, Thomas Norrby, Jinxia Li, Jasmin Pichler, Marcella Frauscher
Publikováno v:
Lubricants, Vol 10, Iss 12, p 327 (2022)
Due to the demand for higher efficiency, gas engine designs are changing in that gas engine oils are exposed to higher thermal stress and face challenges regarding the prevention of deposits. In this work, the “oil chute” laboratory test was used
Externí odkaz:
https://doaj.org/article/9deb0931acc64a39b5629ed0ba4c0fbb
Publikováno v:
Lubrication Science. 18:87-94
Differential scanning calorimetry experiments with an unsaturated polyolester oil at 190˚C showed that an organotellurium compound in combination with a thiol or a sterically hindered phenol (BHT) ...
Publikováno v:
Tribology Letters. 17:561-568
Headchecks are a common type of damage in heavily loaded curved freight tracks. This paper deals with synthetic ester formulations' ability to prevent damage caused by headchecks through mild tribochemical wear. An experimental study pertaining to we
Autor:
Thomas Norrby
Publikováno v:
Industrial Lubrication and Tribology. 55:268-274
Environmentally adapted lubricants (EALs) have been a slowly growing segment of the lubricants business since the early 1970s. The evolution of environmental thinking has led to the change of focus, from biodegradability to renewability. In the futur
Publikováno v:
Proceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology. 217:27-37
Lubricated transient elastohydrodynamic (EHD) conjunctions are extremely difficult to simulate numerically since lubricant properties such as temperature and viscosity vary significantly during the loading-unloading event. Nevertheless, industry has
Publikováno v:
Scopus-Elsevier
A comparative life cycle assessment (LCA) study of three types of base oils used in the manufacture of hydraulic fluids has been carried out, and is reported here. The fluid types investigated are a mineral oil, a synthetic ester, and a rape seed tri
Publikováno v:
Tribology International. 34:547-556
In this paper, the influence of concentration level and chemical composition of three different additive types on friction and wear coefficient are presented for a synthetic ester base fluid and a mineral base oil. One extreme-pressure (EP), two anti
Autor:
Thomas Norrby, Milan Kopp
Publikováno v:
Scopus-Elsevier
During the last ten years, a gradual conversion from mineral oil based hydraulic fluids to environmentally adapted lubricants (EALs), has taken place in the forest industry in Sweden. The current market share of the EALs is ca. 80 percent of the mobi
Publikováno v:
Scopus-Elsevier
The crystal structure of the title compound, bis(2,2':6,2-terpyridine)ruthenium(II) bis(hexafluorophosphate) diacetonitrile solvate, with the composition [Ru(C 15 H 11 N 3 ) 2 ](PF 6 ) 2 .2C 2 H 3 N is described. The pseudo-octahedral Ru complex has
Publikováno v:
Scopus-Elsevier
We have developed molecular mechanics parameters for Ru(II)-polypyridyl coordination compounds with the MM3 force field in MacroModel. X-ray structures, together with a B3LYP frequency calculation on a model system, have been utilized in the parametr