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AN INTEGRATED MODEL OF RING PACK PERFORMANCE
Date
1991-07-01
Author
KERIBAR, R
Dursunkaya, Zafer
FLEMMING, MF
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This work is licensed under a
Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License
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This paper describes an integrated model developed for the detailed characterization and simulation of piston ring pack behavior in internal combustion engines and the prediction of ring pack performance. The model includes comprehensive and coupled treatments of (1) ring-liner hydrodynamic and boundary lubrication and friction; (2) ring axial, radial, and (toroidal) twist dynamics; (3) inter-ring gas dynamics and blowby. The physics of each of these highly inter-related phenomena are represented by submodels, which are intimately coupled to form a design-oriented predictive tool aimed at the calculation of ring film thicknesses, ring motions, land pressures, engine friction, and blowby. The paper also describes the results of a series of analytical studies investigating effects of engine speed and load and ring pack design parameters, on ring motions, film thicknesses, and inter-ring pressures, as well as ring friction and blowby.
Subject Keywords
Fuel Technology
,
Mechanical Engineering
,
Energy Engineering and Power Technology
,
Nuclear Energy and Engineering
,
Aerospace Engineering
URI
https://hdl.handle.net/11511/36790
Journal
JOURNAL OF ENGINEERING FOR GAS TURBINES AND POWER-TRANSACTIONS OF THE ASME
DOI
https://doi.org/10.1115/1.2906242
Collections
Department of Mechanical Engineering, Article