NDLI: A two-dimensional numerical study of the flow inside the combustion chambers of a motored rotary engine

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A two-dimensional numerical study of the flow inside the combustion chambers of a motored rotary engine

Content Provider	NASA Technical Reports Server (NTRS)
Author	Schock, H. J. Shih, T. I. P. Yang, S. L.
Copyright Year	1986
Description	A numerical study was performed to investigate the unsteady, multidimensional flow inside the combustion chambers of an idealized, two-dimensional, rotary engine under motored conditions. The numerical study was based on the time-dependent, two-dimensional, density-weighted, ensemble-averaged conservation equations of mass, species, momentum, and total energy valid for two-component ideal gas mixtures. The ensemble-averaged conservation equations were closed by a K-epsilon model of turbulence. This K-epsilon model of turbulence was modified to account for some of the effects of compressibility, streamline curvature, low-Reynolds number, and preferential stress dissipation. Numerical solutions to the conservation equations were obtained by the highly efficient implicit-factored method of Beam and Warming. The grid system needed to obtain solutions were generated by an algebraic grid generation technique based on transfinite interpolation. Results of the numerical study are presented in graphical form illustrating the flow patterns during intake, compression, gaseous fuel injection, expansion, and exhaust.
File Size	1027257
Page Count	18
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19860009818
Archival Resource Key	ark:/13960/t0ht7hk1p
Language	English
Publisher Date	1986-01-01
Access Restriction	Open
Subject Keyword	Aerodynamics Turbulence Conservation Equations Two Dimensional Flow Gas Mixtures Interpolation Flow Distribution Rotary Engines K-epsilon Turbulence Model Mathematical Models Computational Grids Grid Generation Mathematics Fuel Injection Combustion Chambers Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Article

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