NDLI: Numerical simulation of two-phase air/oil flow characteristic in bearing chamber

Content Provider	IEEE Xplore Digital Library
Author	Xu Rang-shu Wang Juan-juan Chrn Xiao-wen Ju Shan-shan
Copyright Year	2011
Description	Author affiliation: School of Power and Energy Engineering, Shenyang Aerospace University, China (Xu Rang-shu; Wang Juan-juan; Chrn Xiao-wen; Ju Shan-shan)
Abstract	The two-phase flow of air/oil mixture in the bearing chamber affects the operation stability of engines directly. Particular study of the two-phase flow in the chamber plays a vital role for improving the engine operation safety. Two-phase flow in bearing chamber is simulated numerically using VOF model. Surface tension between two phases has been added into the momentum equation as the source term. Based on the real condition, the wall adhesion is included in the model. The simulation results are in line with the existing experimental data so the feasibility of the computation method is proved. The interfaces between oil and air in a wide range of engine relevant conditions have been captured and the differences have been analyzed. The investigation also covered how the pressure in chamber and the volume ratios of scavenge oil and air are affected by the operating conditions of the engine.
Starting Page	2412
Ending Page	2415
File Size	829578
Page Count	4
File Format	PDF
ISBN	9781424480364
e-ISBN	9781424480395
DOI	10.1109/ICEICE.2011.5776909
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-04-15
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Films Atmospheric modeling Bearing chamber Velocity control Numerical simulation Numerical models VOF model Mathematical model Engines Equations Engine Air/oil two-phase flow
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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