Modeling and Simulation of Turbulent Mixing and Reaction: For Power, Energy and Flight (Heat and Mass Transfer)

Preface
Acknowledgements
Contents
Contributors
Low-Speed Turbulent Shear-Driven Mixing Layers with Large Thermal  and Compositional Density Variations
	1 Introduction
	2 Governing Equations
		2.1 Single-Fluid Case with Temperature Variations
		2.2 Two-Species Variable-Density Incompressible Case
		2.3 Discussion
	3 Simulation Set-Up
	4 Results
	5 Conclusions
	References
Scalar Transport Near  the Turbulent/Non-Turbulent Interface  in Reacting Compressible Mixing Layers
	1 Introduction
		1.1 Scalar Transport in Incompressible Free Shear Flows
		1.2 Motivation and Objective
	2 Direct Numerical Simulations
	3 Turbulent/Non-turbulent Interface
	4 Results and Discussions
		4.1 Evolution of Scalar-Gradient Magnitude Near the TNTI
		4.2 Budgets of Scalar-Gradient Magnitude Squared
		4.3 Heat Release Versus Compressibility Effects
	5 Summary and Conclusions
	References
Linear Instability of Stably Stratified Down-Slope Flows
	1 Introduction
	2 Governing Equations
		2.1 Prandtl Model for Slope Flows
		2.2 Dimensionless Numbers
	3 Linear Modal Analysis
		3.1 Linear Temporal Growth Rates
		3.2 Growth Rates for Pure Modes
		3.3 Eigenfunctions and Spectra
		3.4 Critical Stability Threshold and Map
		3.5 Influence of Prandtl Number
	4 Results from Direct Numerical Simulations
		4.1 Pure Instability Modes
		4.2 Mixed Instabilities Mode
	5 Conclusions
	References
Shock-Turbulence Interaction  in Variable Density Flows
	1 Introduction
	2 Governing Equations and Solution Procedure
		2.1 Eulerian Method
		2.2 Lagrangian Method
	3 Numerical Accuracy
	4 Results and Discussions
		4.1 General Effects of Density on STI
		4.2 Structure and Topology of the Post-shock Turbulence
		4.3 Lagrangian Dynamics of VGT
	References
Novel Method for Initiation and Control of Combustion
	1 Introduction
	2 Governing Equations and Numerical Methodology
	3 DNS of Planar Turbulent Jets
		3.1 Flow-Flame Structure
		3.2 Effects of Various Flow Parameters
	4 LES/FMDF of RCM with TJI
	5 Conclusions
	References
Flamelet Modeling for Supersonic Combustion
	1 Introduction
	2 Governing Equations
		2.1 Mixture Fraction
		2.2 Flamelet Equations
		2.3 Progress Variable Equation
	3 Introduction to Supersonic Combustion
	4 Flamelets and Supersonic Combustion
	5 HIFiRE Direct Connect Rig (HDCR)
		5.1 Numerical Approach
		5.2 Simulations of the HDCR
	6 Combustion Mode Analysis for the HDCR
		6.1 Flame Index
		6.2 Combustion Mode
	7 Effect of the Pressure
	8 Effect of the Wall Heat Transfer
	9 Effect of the Flamelet Model Boundary Conditions
	10 Summary and Conclusions
	References
Filtered Density Function Implementation in a Discontinuous Spectral Element Method
	1 Introduction
	2 Overview of the Discontinuous Spectral Element Method
		2.1 Considerations When Coupling Methods
	3 Coupled FDF Formulation
		3.1 Solution of the Coupled System
		3.2 Considerations for Unstructured Grids
		3.3 Considerations for Compressible Flows
	4 Demonstration
	5 Concluding Remarks
	References
Modern Developments in Filtered Density Function
	1 Introduction
	2 Physical and Computational Modeling
	3 Simulations and Practical Applications
	4 Concluding Remarks
	References
Large Eddy Simulations of Flows  with Moving Boundaries
	1 Introduction
	2 Numerical Methods
		2.1 Transformation
		2.2 Arbitrary Lagrangian Eulerian (ALE) Method
		2.3 Immersed Boundary Method (IBM)
	3 Recent Large Eddy Simulations and Insights into Flow Physics
		3.1 Vortex Rings
		3.2 Hydrokinetic Turbine
		3.3 Aquatic Swimming
		3.4 Bio-Inspired Flow Control
	4 Future Outlook
	References
A Coupled Eulerian-Lagrangian Framework for the Modeling and Simulation of Turbulent Multiphase Flows
	1 Introduction
	2 The Point Mass Particle
	3 Coupled Eulerian-PMP for Phase Tracking
		3.1 Case Study: Air Blast Atomization with Heat Transfer
	4 A Fully Consistent PMP
		4.1 Eulerian-Lagrangian Communication
		4.2 Discrete Mass and Momentum Integration
	5 Multiphase LES with the PMP
		5.1 PMP Turbulence Modeling with the Langevin Equation
		5.2 Discrete Mass and Momentum Integration
	6 Summary
	References
Turbulent Suppression in Swirling Sprays
	1 Introduction
	2 Experimental Setup
	3 Experimental Results and Discussions
		3.1 Atomization Mechanism of a Pressure-Swirl Nozzle
		3.2 Effect of Swirl on Turbulence
	4 Theoretical Analysis
	5 Comparison of Model with Experiments
	6 Conclusions
	References