Slider flying characteristics at high bearing numbers. Rarefied gas lubrication theoretical analysis
Autor: | Noritsugu Kawashima, Hitoshi Marumo, Masahiro Kubo, Yasuo Ohtsubo |
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Rok vydání: | 1987 |
Předmět: | |
Zdroj: | TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series C. 53:2682-2687 |
ISSN: | 1884-8354 0387-5024 |
Popis: | This paper discusses the finite-width slider flying characteristics at a high bearing number Λ in a rarefied gas regime by solving the Boltzmann equation by a numerical iteration. In the infinite-width case, the load capacity difference between the slip flow solution and the present solution for the linearized Boltzmann equation was known to be very slight over Λ=100, but the present calculations for the finite-width slider show a load capacity difference of 10-20%, even at high bearing numbers, when the dimensionless load W/P0LB is in the range of 0.2-0.5. This happens because the side leakage makes the compressibility influence and the dimensionless pressure small, compared with that in the infinite-width case. |
Databáze: | OpenAIRE |
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