Year: 1995 Language: english Author: Christopher Earls Brennen Genre: Technical book Publisher: Oxford University Press Format: PDF Quality: eBook Pages count: 254 Description: This book is intended as a combination of a reference book for those who work with cavitation or bubble dynamics and as a monograph for advanced students interested in some of the basic problems associated with this category of multiphase flows. A book like this has many roots. It began many years ago when, as a young postdoctoral fellow at the California Institute of Technology, I was asked to prepare a series of lectures on cavitation for a graduate course cum seminar series. It was truly a baptism by fire, for the audience included three of the great names in cavitation research, Milton Plesset, Allan Acosta, and Theodore Wu, none of whom readily accepted superficial explanations. For that, I am immensely grateful. The course and I survived, and it evolved into one part of a graduate program in multiphase flows.
Contents
CHAPTER 1. PHASE CHANGE, NUCLEATION, AND CAVITATION 1.1 Introduction 1.2 The Liquid State 1.3 Fluidity and Elasticity 1.4 Illustration of Tensile Strength 1.5 Cavitation and Boiling 1.6 Types of Nucleation 1.7 Homogeneous Nucleation Theory 1.8 Comparison with Experiments 1.9 Experiments on Tensile Strength 1.10 Heterogeneous Nucleation 1.11 Nucleation Site Populations 1.12 Effect of Contaminant Gas 1.13 Nucleation in Flowing Liquids 1.14 Viscous Effects in Cavitation Inception 1.15 Cavitation Inception Measurements 1.16 Cavitation Inception Data 1.17 Scaling of Cavitation Inception References CHAPTER 2. SPHERICAL BUBBLE DYNAMICS 2.1 Introduction 2.2 Rayleigh-Plesset Equation 2.3 Bubble Contents 2.4 In the Absence of Thermal Effects 2.5 Stability of Vapor/Gas Bubbles 2.6 Growth by Mass Diffusion 2.7 Thermal Effects on Growth 2.8 Thermally Controlled Growth 2.9 Nonequilibrium Effects 2.10 Convective Effects 2.11 Surface Roughening Effects 2.12 Nonspherical Perturbations References CHAPTER 3. CAVITATION BUBBLE COLLAPSE 3.1 Introduction 3.2 Bubble Collapse 3.3 Thermally Controlled Collapse 3.4 Thermal Effects in Bubble Collapse 3.5 Nonspherical Shape during Collapse 3.6 Cavitation Damage 3.7 Damage due to Cloud Collapse 3.8 Cavitation Noise 3.9 Cavitation Luminescence References CHAPTER 4. DYNAMICS OF OSCILLATING BUBBLES 4.1 Introduction 4.2 Bubble Natural Frequencies 4.3 Effective Polytropic Constant 4.4 Additional Damping Terms 4.5 Nonlinear Effects 4.6 Weakly Nonlinear Analysis 4.7 Chaotic Oscillations 4.8 Threshold for Transient Cavitation 4.9 Rectified Mass Diffusion 4.10 Bjerknes Forces References CHAPTER 5. TRANSLATION OF BUBBLES 5.1 Introduction 5.2 High Re Flows around a Sphere 5.3 Low Re Flows around a Sphere 5.4 Marangoni Effects 5.5 Molecular Effects 5.6 Unsteady Particle Motions 5.7 Unsteady Potential Flow 5.8 Unsteady Stokes Flow 5.9 Growing or Collapsing Bubbles 5.10 Equation of Motion 5.11 Magnitude of Relative Motion 5.12 Deformation due to Translation References CHAPTER 6. HOMOGENEOUS BUBBLY FLOWS 6.1 Introduction 6.2 Sonic Speed 6.3 Sonic Speed with Change of Phase 6.4 Barotropic Relations 6.5 Nozzle Flows 6.6 Vapor/Liquid Nozzle Flow 6.7 Flows with Bubble Dynamics 6.8 Acoustics of Bubbly Mixtures 6.9 Shock Waves in Bubbly Flows 6.10 Spherical Bubble Cloud References CHAPTER 7. CAVITATING FLOWS 7.1 Introduction 7.2 Traveling Bubble Cavitation 7.3 Bubble/Flow Interactions 7.4 Experimental Observations 7.5 Large-Scale Cavitation Structures 7.6 Vortex Cavitation 7.7 Cloud Cavitation 7.8 Attached or Sheet Cavitation 7.9 Cavitating Foils 7.10 Cavity Closure References CHAPTER 8. FREE STREAMLINE FLOWS 8.1 Introduction 8.2 Cavity Closure Models 8.3 Cavity Detachment Models 8.4 Wall Effects and Choked Flows 8.5 Steady Planar Flows 8.6 Some Nonlinear Results 8.7 Linearized Methods 8.8 Flat Plate Hydrofoil 8.9 Cavitating Cascades 8.10 Three-Dimensional Flows 8.11 Numerical Methods 8.12 Unsteady Flows References
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Cavitation & Bubble Dynamics
Language: english
Author: Christopher Earls Brennen
Genre: Technical book
Publisher: Oxford University Press
Format: PDF
Quality: eBook
Pages count: 254
Description: This book is intended as a combination of a reference book for those who work with cavitation or bubble dynamics and as a monograph for advanced students interested in some of the basic problems associated with this category of multiphase flows. A book like this has many roots. It began many years ago when, as a young postdoctoral fellow at the California Institute of Technology, I was asked to prepare a series of lectures on cavitation for a graduate course cum seminar series. It was truly a baptism by fire, for the audience included three of the great names in cavitation research, Milton Plesset, Allan Acosta, and Theodore Wu, none of whom readily accepted superficial explanations. For that, I am immensely grateful. The course and I survived, and it evolved into one part of a graduate program in multiphase flows.
Contents
CHAPTER 1. PHASE CHANGE, NUCLEATION, ANDCAVITATION
1.1 Introduction
1.2 The Liquid State
1.3 Fluidity and Elasticity
1.4 Illustration of Tensile Strength
1.5 Cavitation and Boiling
1.6 Types of Nucleation
1.7 Homogeneous Nucleation Theory
1.8 Comparison with Experiments
1.9 Experiments on Tensile Strength
1.10 Heterogeneous Nucleation
1.11 Nucleation Site Populations
1.12 Effect of Contaminant Gas
1.13 Nucleation in Flowing Liquids
1.14 Viscous Effects in Cavitation Inception
1.15 Cavitation Inception Measurements
1.16 Cavitation Inception Data
1.17 Scaling of Cavitation Inception
References
CHAPTER 2. SPHERICAL BUBBLE DYNAMICS
2.1 Introduction
2.2 Rayleigh-Plesset Equation
2.3 Bubble Contents
2.4 In the Absence of Thermal Effects
2.5 Stability of Vapor/Gas Bubbles
2.6 Growth by Mass Diffusion
2.7 Thermal Effects on Growth
2.8 Thermally Controlled Growth
2.9 Nonequilibrium Effects
2.10 Convective Effects
2.11 Surface Roughening Effects
2.12 Nonspherical Perturbations
References
CHAPTER 3. CAVITATION BUBBLE COLLAPSE
3.1 Introduction
3.2 Bubble Collapse
3.3 Thermally Controlled Collapse
3.4 Thermal Effects in Bubble Collapse
3.5 Nonspherical Shape during Collapse
3.6 Cavitation Damage
3.7 Damage due to Cloud Collapse
3.8 Cavitation Noise
3.9 Cavitation Luminescence
References
CHAPTER 4. DYNAMICS OF OSCILLATING BUBBLES
4.1 Introduction
4.2 Bubble Natural Frequencies
4.3 Effective Polytropic Constant
4.4 Additional Damping Terms
4.5 Nonlinear Effects
4.6 Weakly Nonlinear Analysis
4.7 Chaotic Oscillations
4.8 Threshold for Transient Cavitation
4.9 Rectified Mass Diffusion
4.10 Bjerknes Forces
References
CHAPTER 5. TRANSLATION OF BUBBLES
5.1 Introduction
5.2 High Re Flows around a Sphere
5.3 Low Re Flows around a Sphere
5.4 Marangoni Effects
5.5 Molecular Effects
5.6 Unsteady Particle Motions
5.7 Unsteady Potential Flow
5.8 Unsteady Stokes Flow
5.9 Growing or Collapsing Bubbles
5.10 Equation of Motion
5.11 Magnitude of Relative Motion
5.12 Deformation due to Translation
References
CHAPTER 6. HOMOGENEOUS BUBBLY FLOWS
6.1 Introduction
6.2 Sonic Speed
6.3 Sonic Speed with Change of Phase
6.4 Barotropic Relations
6.5 Nozzle Flows
6.6 Vapor/Liquid Nozzle Flow
6.7 Flows with Bubble Dynamics
6.8 Acoustics of Bubbly Mixtures
6.9 Shock Waves in Bubbly Flows
6.10 Spherical Bubble Cloud
References
CHAPTER 7. CAVITATING FLOWS
7.1 Introduction
7.2 Traveling Bubble Cavitation
7.3 Bubble/Flow Interactions
7.4 Experimental Observations
7.5 Large-Scale Cavitation Structures
7.6 Vortex Cavitation
7.7 Cloud Cavitation
7.8 Attached or Sheet Cavitation
7.9 Cavitating Foils
7.10 Cavity Closure
References
CHAPTER 8. FREE STREAMLINE FLOWS
8.1 Introduction
8.2 Cavity Closure Models
8.3 Cavity Detachment Models
8.4 Wall Effects and Choked Flows
8.5 Steady Planar Flows
8.6 Some Nonlinear Results
8.7 Linearized Methods
8.8 Flat Plate Hydrofoil
8.9 Cavitating Cascades
8.10 Three-Dimensional Flows
8.11 Numerical Methods
8.12 Unsteady Flows
References
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