Analysis of Flow State of Inflatable Support Area in Aerostatic Guide Way under Condition of Rarefied Gas
- DOI
- 10.2991/icmse-15.2015.330How to use a DOI?
- Keywords
- aerostatic guide way; velocity slip; Knudsen number; molecular collision; Newton friction
- Abstract
Based on the molecular motion and collision law of the gas in the aerostatic guide way of inflatable support area, proposed the stratification theory of the gas film, the gas in inflatable support area was divided into near wall layer, thin layer, continuous flow layer along its height direction, proposed basis for dividing the thin layer and continuous flow layer, proposed physical model and the corresponding equation. Based on air film pressure decreasing in the aerostatic guide way and rate variation of gas flow, the gas in the longitudinal direction was divided into pressure-driven area and Newton friction area. Simulating flow patterns and calculating its velocity and pressure in gas film by LAMMPS and fluent, drew the relevant conclusions: the gas film in the longitudinal direction was divided into pressure-driven area and Newton friction area; and it also was divided into near wall layer, thin layer, continuous flow layer along its height direction; gas stratification present in the pressure-driven and Newton friction areas; the phenomenon of film layered became weaker with slower gas flow in pressure-driven area; New-ton friction area remained stable stratification.
- Copyright
- © 2015, the Authors. Published by Atlantis Press.
- Open Access
- This is an open access article distributed under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).
Cite this article
TY - CONF AU - Wei Long AU - Fangwei Ning PY - 2015/12 DA - 2015/12 TI - Analysis of Flow State of Inflatable Support Area in Aerostatic Guide Way under Condition of Rarefied Gas BT - Proceedings of the 2015 6th International Conference on Manufacturing Science and Engineering PB - Atlantis Press SP - 1818 EP - 1826 SN - 2352-5401 UR - https://doi.org/10.2991/icmse-15.2015.330 DO - 10.2991/icmse-15.2015.330 ID - Long2015/12 ER -