Preface |
Acknowledgments |
Acronyms and Abbreviations |
Introduction / Chapter 1: |
Terms and Definitions / Chapter 2: |
Mechanisms of Transition from Noise to High-Frequency Oscillations or to Noise at a New Level / Chapter 3: |
Soft Excitation in Combustion Chambers and Gas Generators |
Hard Excitation of Oscillations in Combustion Chambers |
Probabilistic Excitation of an Instability Caused by Fluctuations of Noise Amplitude |
Uncertainty in Conversion of Propellant to Combustion Products / Chapter 4: |
Uncertainty in Mixing System |
Operating Process Uncertainty Caused by Loss of Flame Stabilization in Injectors of Gas-Liquid Combustion Chambers |
Studies of Operating Process Stability at Various Stages of Combustor Development / Chapter 5: |
Design Stage |
Laboratory Tests of Hydraulic, Acoustic, and Combustion Models of Combustion Chambers and Gas Generators |
Tests of Combustion Chambers and Gas Generators Under Actual Regimes and as Part of Engine Assembly |
Test Organization, Measurement Requirements, and Processing of Rapidly Varying Parameters |
Control of Consistency of Stability Characteristics in Serial Production |
Quantitative Characteristics for Estimating Stability of LRE Combustion Chambers and Gas Generators / Chapter 6: |
Definition of Problems |
Stability Characteristics |
Relationship Between Amplitude and Decrement of Pressure Oscillations |
Stability Studies for a Model Chamber by Shutting off the Nozzle (D-45) |
Acoustic Study of Combustion Chamber Stability Characteristics / Chapter 7: |
Identification of Natural Modes of Pressure Oscillations |
Identification of Natural Modes of Pressure Oscillations Using Vibration Measurements |
Methods for Simulating Acoustic Pressure Oscillations in Combustion Chambers |
Effects of Combustion-Chamber and Nozzle Configurations Oil Stability Characteristics |
Acoustic Characteristics of Combustion Chambers with Vibration Baffles |
Resonance Absorbers |
Adjusted Injectors |
Cold Zone |
Absorption by Porous Bottom |
Determination of Stability of Oscillations from Natural Disturbances / Chapter 8: |
Methods for Determination of Oscillation Decrement from Natural Disturbances (Noise) in a Chamber |
Accuracy of Determining Oscillation Decrement by Different Methods |
Peculiarities of Stability Evaluation Under Transient Conditions |
Methods of Determination of Stability from Natural Pressure Disturbances |
Evaluation of LRE Process Stability by Use of Artificial Pressure Disturbances / Chapter 9: |
General Requirements for Devices Generating Pressure Oscillations |
Propagation of Pressure Disturbances in Combustion Chamber |
Choice and Substantiation of Pressure Pulses Generated in Combustion Chambers |
Design Features of Disturbance Devices |
Dependence of Pressure Disturbance Characteristics on Physical and Design Parameters |
Selection of Minimum Artificial Pulse for Estimation of Stability Margin to Hard Excitation |
Accuracy of Determination of Stability Margin to Hard Excitation |
Procedure of Analyzing LRE Process Stability by Use of Artificial Pressure Pulses |
Model Firing Tests for Selection of Injector Head Elements / Chapter 10: |
Basic Principles and Rules for Approximate Simulations |
Concept of Simulating Combustion Instability at Low Pressures |
Methods of Evaluating Agreement Between Model- and Full-Scale Test Results |
Schematic Diagrams of Model Units and Test Conditions |
Examples of Using the Firing Simulation Methods for Studying Stability in a Combustion Chamber |
Estimation of Operating Process Stability from Pressure Oscillation Decrements / Chapter 11: |
Main Design Characteristics of Tested Combustion Chambers and Injector Heads |
Pressure Oscillation Decrements for Guaranteed Stability |
Determination of Operating Process Stability to High-Frequency Pressure Oscillations and Its Dependence on Propellant Flow Rates |
Dependence of Pressure Oscillation Decrement on Oxidizer-to-Fuel Ratio |
Influence of Injection Pressure Drop on Stability |
Influence of Recess of Injector Nozzle Edge on Stability |
Influence of Dynamic Characteristics of Mixing System on Stability |
Influence of Mixing-System Unsteadiness on Stability |
Test Results for Pulsing Liquid-Liquid Chambers / Chapter 12: |
Estimation of Operating Process Stability to Hard Excitation |
Relationship Between Probabilistic Excitation of Instability and Critical Amplitude |
Estimation of Influence of Propellant Flow Rate and Fuel/Oxidizer Mixture Ratio |
Application of Artificial Disturbance for Estimating Efficiency of Vibration Baffles |
Influence of Chamber Diameter and Relative Flow Ratio on Stability to Hard Excitation |
Stability of Gas-Liquid Combustion Chambers / Chapter 13: |
Characteristics of Gas-Liquid Combustion Chambers and Injector Heads |
Stability, Chamber Pressure, and Oxidizer/Fuel Ratio |
Influence of Relative Flow Ratio on Stability |
Relationship Between Operating Process Stability and Number of Liquid Entry Holes in an Injector and Their Distances from Edge |
Effects of Injector Length on Stability |
Influence of Fuel Temperature at Engine Inlet on Stability |
Change of Stability Characteristics Near High Oscillation Region |
Gas-Liquid Combustion-Chamber Tests for Stability to Hard Excitation / Chapter 14: |
Characteristics of Gas-Liquid Combustion Chambers |
Hard Excitation Characteristics of Gas-Liquid Engine Combustion Chambers |
Enhancement of Stability of Engine 4D75 |
Influence of Gaseous Oxidizer Velocity on Stability |
Injector Head for RD-170 Engine Combustion Chamber / Chapter 15: |
Separate Tests of RD-170 Engine Combustion Chambers in Special Units |
Characteristics of Mixing Heads on Units 1UKS and 2UK |
Operating Process Stability for Units 1UKS and 2UK with Different injector Heads |
Stability to Hard Excitation for Chambers Tested as Part of Unit 2UK |
Relation Between Stability Characteristics and Combustion Efficiency Under Nominal Conditions |
Improvement of Stability in Unit 2UKS |
Evaluation of Stability in Combustion Chamber as Part of Engine |
Stability Characteristics of Engines with Adjustable Injectors / Chapter 16: |
Control of Stability in Production of the Proton Engine / Chapter 17: |
References |
Bibliography |
Index |
Supporting Materials |
Preface |
Acknowledgments |
Acronyms and Abbreviations |