Towards Ecological Alternatives in Bearing Lubrication
| Autor: | Bachir Bouchehit, John A. Tichy, Benyebka Bou-Saïd |
|---|---|
| Jazyk: | angličtina |
| Rok vydání: | 2021 |
| Předmět: |
0209 industrial biotechnology
Hydrogen vapor Science gas bearing chemistry.chemical_element 02 engineering and technology Combustion law.invention chemistry.chemical_compound 020901 industrial engineering & automation law 0502 economics and business Lubricant thermal hydrodynamic lubrication Mechanical energy Bearing (mechanical) Ecology Mechanical Engineering 05 social sciences Pentafluoropropane Surfaces Coatings and Films chemistry Internal combustion engine Lubrication Environmental science turbulent 050202 agricultural economics & policy compressible 2 phase flow |
| Zdroj: | Lubricants, Vol 9, Iss 62, p 62 (2021) Lubricants Volume 9 Issue 6 |
| ISSN: | 2075-4442 |
| Popis: | Hydrogen is the cleanest fuel available because its combustion product is water. The internal combustion engine can, in principle and without significant modifications, run on hydrogen to produce mechanical energy. Regarding the technological solution leading to compact engines, a question to ask is the following: Can combustion engine systems be lubricated with hydrogen? In general, since many applications such as in turbomachines, is it possible to use the surrounding gas as a lubricant? In this paper, journal bearings global parameters are calculated and compared for steady state and dynamic conditions for different gas constituents such as air, pentafluoropropane, helium and hydrogen. Such a bearing may be promising as an ecological alternative to liquid lubrication. |
| Databáze: | OpenAIRE |
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