The goals of the Symposium were to draw together researchers in turbulence and combustion so as to highlight advances and challenge the boundaries to our understanding of turbulent mixing and combus tion from both experimental and simulation perspectives; to facilitate cross-fertilization between leaders in these two fields. These goals were noted to be important given that turbulence itself is viewed as the last great problem in classical physics and the addition of chemical reaction amplifies the difficulties enormously. The papers that have been included here reflect the richness of our subject. Turbulence is rich and complex in its own right. And, its inner structure, hidden in the morass of scales, large and small, can dominate transport. Earlier IUTAM Symposia have considered this field, Eddy Structure Identification in Free Turbulent Flows, Bonnet and Glauser (eds) 1992 and Simulation and Identification of Organized Structures in Flows, Sorensen, Hopfinger and Aubry (eds) 1997. The combustion community is well served by its specialized events, most notable is the bi annual International Combustion Symposium, held under the auspices of the Combustion Institute. Mixing is often considered somewhere in between these two. This broad landscape was addressed in this Sym posium in a somewhat temporal linear fashion of increasing complexity. The lectures considered the many challenges posed by adding one ele ment to the base formed by others: turbulence and turbulent mixing in the absence of combustion through to turbulent mixing dominated by chemistry and combustion.

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Session 1 Turbulence and Mixing.- Mixing as an Aggregation Process.- Downstream Evolution of the Most Energetic Pod Modes in the Mixing Layer of a High Reynolds Number Axisymmetric Jet.- Micro Structure and Lagrangian Statistics of the Scalar Field with a Mean Gradient in Isotropic Turbulence.- Dynamics & Control of Jets in Crossflow.- Characteristics of Supercritical Transitional Temporal Mixing Layers.- On Accurate Experimental Measurements of the Dynamics of Large Scale Sructures in Turbulent Flows.- Mixing in a Cross-Jet Enhanced by a Coaxial Annular Synthetic Jet.- Session 2 Turbulent Mixing with Combustion.- Challenges in Turbulent Mixing with Combustion.- One-Dimensional Stochastic Simulation of Advection-Diffusion-Reaction Couplings in Turbulent Combustion.- Compressibility Effects on the Scalar Mixing in Reacting Homogeneous Turbulence.- The Interaction of Scalar Mixing and Heat Release in a Reacting Shear Layer.- Influence of Differential Diffusion on Local Equilibrium and Super-Equilibrium Combustion in Turbulent Non-Premixed Flames.- Diffusion Edge-Flame Quenching.- A Model Description of the Effects of Variable Fuel-Air Mixture Composition on Turbulent Flame Propagation.- Session 3 Modeling Scalars.- Challenges in Modeling Scalars in Turbulence and LES.- PDF of Temperature Fluctuations in Uniformly Sheared Turbulence.- A Mathematical Prototype to Validate LES Strategies for Turbulent Flames.- Study of Mixing in Swirling Turbulent Jets.- Session 4 DNS/LES of Flames.- LES of Partially Premixed Combustion.- Nonpremixed Turbulent Flames Investigated with Direct Numerical Simulation using Detailed Chemistry.- Counter-Gradient Scalar Transport in Large Eddy Simulation of Turbulent Premixed Flames.- Local Flame Structure in Hydrogen-Air Turbulent Premixed Flames.-Three-Dimensional Direct Numerical Simulations of Turbulent Flames Using Realistic Chemistry Modeling.- Simulation of a Buoyancy-Driven Jet Diffusion Flame.- Visualization of the Fuel Stripping Mechanism For Wake-Stabilized Diffusion Flames in a Crossflow.- Session 5 Control.- Progress in Control of Mixing and Large Eddy Simulation of Turbulent Combustion.- Large Eddy Simulation of a Non-Premixed Turbulent Burner Using a Dynamically Thickened Flame Model.- Characterisation of an Air-Blast Injection Device With Forced Periodic Entries.- Numerical Analysis of Hydrogen/Air Jet Diffusion Flame.- Turbulent Mixing With Sprays.- Large Eddy Simulations of Combustion Instabilities in a Swirled Combustor.- An Experimental Investigation of Mixing and Combustion Characteristics on the Can-Type Micro Combustor With a Multi-Jet Baffle Plate.- Effects of One, Two and Quadruple Tabs on the Mixing and Entrainment in the Near Field of Round Jets.- Session 6 Perspectives for Turbulent Mixing and Combustion.- Mixing and Combustion, Perspectives.- Using Large Eddy Simulations to Understand Combustion Instabilities in Gas Turbines.- Large Eddy Simulation of Turbulent Sprays.- Numerical Simulations of Partially Premixed Turbulent Combustion.- Turbulent Combustion of Sprays Under Supercritical Conditions.- Author Index.- List of Participants.