Unsteady combustor physics

Unsteady combustor physics / Tim C. Lieuwen.

Developing clean, sustainable energy systems is a pre-eminent issue of our time. Most projections indicate that combustion-based energy conversion systems will continue to be the predominant approach for the majority of our energy usage. Unsteady combustor issues present the key challenge associated...

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Bibliographic Details
Main Author: Lieuwen, Timothy C. (Author)
Format: eBook
Language:English
Published: New York : Cambridge University Press, 2012.
Subjects:
Gas-turbines > Combustion.
Heat > Transmission > Mathematics.
TECHNOLOGY & ENGINEERING > Mechanical.
Gas-turbines > Combustion
Heat > Transmission > Mathematics
Electronic books.
Online Access:Click for online access
Table of Contents:
  • Cover ; UNSTEADY COMBUSTOR PHYSICS; Title; Copyright; Summary Contents; Detailed Contents; Introduction; References; Overview of the Book; 1 Overview and Basic Equations; 1.1. Thermodynamic Relations in a Multicomponent Perfect Gas; 1.2. Continuity Equation; 1.3. Momentum Equation; 1.4. Species Conservation Equation; 1.5. Energy Equation; 1.6. Nomenclature; 1.6.1. Latin Alphabet; 1.6.2. Greek Alphabet; 1.6.3. Subscripts; 1.6.4. Superscripts; 1.6.5. Other Symbols; Exercises; References; 2 Decomposition and Evolution of Disturbances; 2.1. Descriptions of Flow Perturbations.
  • 2.2. Small-Amplitude Propagation in Uniform, Inviscid Flows2.2.1. Decomposition Approach; 2.2.2. Comments on Decomposition; 2.2.3. Molecular Transport Effects on Decomposition; 2.3. Modal Coupling Processes; 2.3.1. Coupling through Boundary Conditions; 2.3.2. Coupling through Flow Inhomogeneities; 2.3.3. Coupling through Nonlinearities; 2.4. Energy Density and Energy Flux Associated with Disturbance Fields; 2.5. Linear and Nonlinear Stability of Disturbances; 2.5.1. Linearly Stable/Unstable Systems; 2.5.2. Nonlinearly Unstable Systems; 2.5.3. Forced and Limit Cycling Systems.
  • 2.5.3.1. Example: Forced Response of Lightly Damped, Linear Systems2.5.3.2. Example: Limit Cycling Systems; 2.5.3.3. Example: Forced Response of Limit Cycling Systems; 2.5.3.4. Nonlinear Interactions between Multiple Oscillators; Exercises; References; 3 Hydrodynamic Flow Stability I: Introduction; 3.1. Normal Modes in Parallel Flows: Basic Formulation; 3.2. General Results for Temporal Instability; 3.2.1. Necessary Conditions for Temporal Instability; 3.2.2. Growth Rate and Disturbance Propagation Speed Bounds; 3.3. Convective and Absolute Instability.
  • 3.4. Extended Example: Spatial Mixing Layer3.5. Global Stability and Nonparallel Flows; Exercises; References; 4 Hydrodynamic Flow Stability II: Common Combustor Flow Fields; 4.1. Free Shear Layers; 4.1.1. Flow Stability and Unsteady Structure; 4.1.2. Effects of Harmonic Excitation; 4.2. Wakes and Bluff Body Flow Fields; 4.2.1. Parallel Flow Stability Analysis; 4.2.2. Bluff Body Wake; 4.2.3. Separated Shear Layer; 4.2.4. Effects of Harmonic Excitation; 4.3. Jets; 4.3.1. Parallel Flow Stability Analysis; 4.3.2. Constant Density Jet Dynamics; 4.3.3. Effects of Harmonic Excitation.
  • 4.3.4. Jets in Cross Flow4.4. Swirling Jets and Wakes; 4.4.1. Vortex Breakdown; 4.4.2. Swirling Jet and Wake Dynamics; 4.4.3. Effects of Harmonic Excitation; 4.5. Backward-Facing Steps and Cavities; 4.5.1. Parallel Flow Stability Analysis; 4.5.2. Unsteady Flow Structure; 4.8. Exercises; References; 5 Acoustic Wave Propagation I
  • Basic Concepts ; 5.1. Traveling and Standing Waves.

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