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Full Description
These two volumes contain the proceedings of the Workshop on Transition, Turbulence and Combustion, sponsored by the Insti tute for Computer Applications in Science and Engineering (ICASE) and the NASA Langley Research Center (LaRC), during June 7 to July 2, 1993. Volume I contains the contributions from the transi tion research, and Volume II contains the contributions from both the turbulence and combustion research. This is the third workshop in the series on the subject. The first was held in 1989, the second in 1991, and their proceedings were published by Springer-Verlag under the titles "Instability and Transition" (edited by M. Y. H ussaini and R. G. Voigt) and "Instability, Transition and Turbulence" (edited by M. Y. Hussaini, A. Kumar and C. L. Streett) respectively. The objectives of these workshops are to expose the academic community to current technologically important issues of transition, turbulence and combustion, and to acquaint the academic COllllllU nity with the unique combination of theoretical, computational and experimental capabilities at LaRC. It is hoped these will foster con tinued interactions, and accelerate progress in elucidating the funda mental phenomena of transition, turbulence and combustion. The research areas of interest in transition covered the full range of the subject: linear and nonlinear stability, direct and large-eddy simulation and phenomenological modeling of the transition zone.
Contents
Turbulence.- GROUP SUMMARY: Quasi-Equilibrium Turbulent Flows.- On Prediction of Equilibrium States in Homogeneous Compressible Turbulence.- Near-Wall Turbulence Models and Their Application to Flow in a Square Duct.- SGS Modeling in the Near-Wall Region of Turbulent Flows.- Evaluation of Inhomogeneous Formulations of the Dynamic Subgrid-Scale Model.- On Elliptic Relaxation Near Wall Models.- Some Turbulence Statistics Relevant to Compressible Turbulence Modeling.- Testing a Model for the Turbulent Mass Flux.- Assessment of the SSG Pressure-Strain Model in Complex Turbulent Shear Flows.- GROUP SUMMARY: Renormalization Group Theory and Turbulence Modeling.- RNG on Wavelet and Non Fourier Representations — Applications to Nonhomogeneous and Wall Bounded Flows.- On RNG Theory and the Decay Law of Homogeneous Isotropic Turbulence.- Renormalization Group Theory Modeling for a Stratified Turbulence.- RNG for CFD? An Assessment of Current RNG Theories of Turbulence.- The Yakhot-Orszag Theory and Local Interactions.- The Application of a Recursion RNG-Based Turbulence Model for Separated Flows.- An Overview of RNG Methods in Turbulence Modeling: Panel Discussion Summary.- Combustion.- GROUP SUMMARY: Counter-Jet Diffusion Flames.- Characteristics of Stretched Hydrogen-Air Diffusion Flames at High Pressures.- Linear Response of Twin Premixed Flames in a Counterflow to Small Disturbances.- Raman Scattering Imaging of Opposed Jet Diffusion Flames.- The Influence of Contaminants on the Structure of Nonpremixed Hydrogen-Air Flames.- GROUP SUMMARY: Turbulent Combustion.- Diffusion-Reaction System Model for Turbulent Combustion.- The Lamellar Description of Mixing in Turbulent Flows.- Study of Ignition of a Diffusion Flame in the Field of a Vortex Pair.- GROUP SUMMARY: Shock-InducedCombustion/Detonation.- Unsteady Shock-Induced Combustion Past Blunt Bodies.- Characteristic and Finite-Wave Shock-Fitting Boundary Conditions for Chebyshev Methods.- Evolution of a Compressible Pulse in a Reactive Atmosphere: Transition to Detonation.- Numerical Soot Traces: "The Writing's on the Wall".
