Boundary layer flow over elastic surfaces : compliant surfaces and combined methods for marine vessel drag reduction /

While other methods of drag reduction are well-known in marine R & D and ship design environments worldwide, compliant coating drag reduction remains less well-known and poorly understood. This important book presents cutting-edge techniques and findings from research sources not generally acces...

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Detalles Bibliográficos
Clasificación:Libro Electrónico
Autor principal: Babenko, Viktor V.
Otros Autores: Chun, Ho-Hwan, Lee, Inwon
Formato: Electrónico eBook
Idioma:Inglés
Publicado: [Place of publication not identified] : Butterworth-Heinemann, 2013.
Temas:
Ships > Aerodynamics.
Frictional resistance (Hydrodynamics)
Boundary layer control.
Navires > A�erodynamique.
R�esistance de frottement.
Couche limite > Contr�ole.
Boundary layer control
Ships > Aerodynamics
Acceso en línea:Texto completo
Tabla de Contenidos:
  • Machine generated contents note: ch. 1 Interaction of the Free Stream with an Elastic Surface
  • 1.1. Introductory Remarks
  • 1.2. Basic Types of Coherent Vortical Structures arising in the Flow about a Body, and Methods of their Control
  • 1.2.1. CVS Types
  • 1.2.2. Methods of CVS Control
  • 1.3. Coherent Structures in a Turbulent Boundary Layer
  • 1.4. The Flow over Elastic Surfaces
  • 1.5. Experimental Studies on the Characteristics of Elastic Plates
  • 1.6. Experimental Investigations of Coherent Vortical Structures in a Transitional Boundary Layer on the Flow over a Rigid Plate
  • 1.7. Distribution of Disturbing Movement across the Thickness of a Laminar Boundary Layer over a Rigid Surface
  • 1.8. Physical Process of Laminar-Turbulent Transition of a Boundary Layer over a Rigid Plate
  • 1.9. Hydrobionic Principles of Drag Reduction
  • 1.10. Experimental Investigation of Coherent Vortical Structures in a Transitional Boundary Layer over an Elastic Plate
  • 1.11. Distribution of Disturbing Movement on the Thickness of a Laminar Boundary Layer on an Elastic Surface
  • 1.12. Receptivity of the Boundary Layer to Different Disturbances
  • 1.13. The Boundary Layer as a Heterogeneous, Asymmetric Wave-Guide
  • 1.14. Control Methods of the CVSs of a Boundary Layer
  • 1.14.1. Experimental Investigation of a Flow of the Localized Hollows
  • 1.14.2. Concentrated and Distributed Methods of Formation of Longitudinal Vortical Systems in a Boundary Layer
  • 1.14.3.Combined Method of Drag Reduction
  • 1.15. Physical Substantiation of the Interaction Mechanism of the Flow with an Elastic Surface
  • ch. 2 Types of Elastic Surfaces and Research of their Mechanical Characteristics
  • 2.1. Models of Elastic Surfaces
  • 2.2. Mechanical Characteristics of Elastomers
  • 2.3. Methods of Measuring the Mechanical Characteristics of Elastomers
  • 2.4. The Apparatus and Devices for Measuring the Mechanical Characteristics of Elastomers
  • 2.4.1. Apparatus for Measuring the Static Characteristics
  • 2.4.2. Equipment for Measurement Elastomers being Stretched
  • 2.4.3. Apparatus for Compression Testing
  • 2.4.4. Apparatus for Measuring the Dynamic Parameters
  • 2.5. Construction of Elastic Surfaces
  • 2.6. Main Similarity Parameters
  • 2.7. Measurement of Static Mechanical Characteristics of Elastomers
  • 2.8. Measurement of Dynamic Characteristics of Elastomers
  • 2.8.1. Determination of Elasticity by the Ball Recoil Method
  • 2.8.2. Determination of Elastomer Characteristics by the Method of Forced Non-Resonant Oscillation
  • 2.8.3. Determination of Elastomer Parameters by the Method of Wave and Pulse Propagation
  • 2.8.4. Definition of the Complex of Mechanical Characteristics of Elastomers
  • 2.9. Oscillations and Waves in Composite Elastomers
  • ch. 3 The Turbulent Boundary Layer over Elastic Plates
  • 3.1. Experimental Equipment and Methods of Measurement
  • 3.2. Velocity Profiles of Average Speed over Elastic Plates
  • 3.3. Profiles of Fluctuation Velocities
  • 3.4. Velocity Field in the Near-Wall Region
  • 3.5. Energy Balance of a Turbulent Boundary Layer over an Elastic Plate
  • 3.6. Correlation and Spectral Parameters of a Turbulent Boundary Layer over an Elastic Plate
  • ch. 4 Fluctuations of an Elastic Surface in a Turbulent Boundary Layer
  • 4.1. Apparatus for Research on Fluctuations of an Elastic Surface
  • 4.2. Investigation of Fluctuations of an Elastic Surface
  • 4.3. Structure of a Turbulent Boundary Layer over Elastic Plates in Water
  • 4.4. Interaction of Different Disturbances in a Boundary Layer over Elastic Plates
  • 4.5. Boundary Layer over a Controlled Elastic Plate
  • 4.6. Investigation of Velocity Fluctuations on Dolphin Skin
  • ch. 5 Experimental Investigation of Friction Drag
  • 5.1. Methods of Determining Friction Drag on Plates
  • 5.2. The Complex Apparatus for Experimental Research
  • 5.3. Experimental Investigations of Friction Drag on Elastic Plates
  • 5.4. Drag of Cylinders in the Longitudinal Flow
  • 5.5. Friction Drag of Elastic Cylinders in the Longitudinal Flow
  • 5.6. Influence of Polymer Additives on the Friction Drag of an Elastic Plate
  • 5.7. Engineering Method for the Selection of Elastic Plates
  • ch. 6 Hydrobionics and the Anatomy of Fast Swimming Hydrobionts
  • 6.1. Interaction of High-Speed Hydrobionts and Flow
  • 6.1.1. Structural Peculiarities of Swordfish Skin Coverings
  • 6.1.2. Hydrodynamic Peculiarities of the Skin Structure and Body of the Swordfish
  • 6.2. Experimental Research of Bodies with Xiphoid Tips
  • 6.3. Theoretical Research on Bodies with Xiphoid Tips
  • 6.4.Combined Method of Drag Reduction of a Body with a Xiphoid Tip and Injection of Polymer Solutions
  • 6.4.1. Experimental Equipment and Technique of Measurements
  • 6.4.2. Drag of the Model with No Injection of a Polymer Solution
  • 6.4.3. Drag of the Model with the Ogive Tip and at an Injection of Polymer Solutions
  • 6.4.4. Drag of the Model with Xiphoid Tips and Injection of Polymer Solutions
  • 6.4.5. Friction Drag for the Injection of Polymer Solutions into a Boundary Layer
  • 6.5. Physical Mechanism of the Influence of Xiphoid Tip on Drag Reduction
  • 6.6. Kinematic Characteristics of the Model Flow at the Injection of Polymer Solution through a Ring Slot
  • 6.7. Method and Apparatus for the Optimum Injection of Liquids in a Boundary Layer
  • 6.7.1. Method for Reducing the Dissipation Rate of Fluid Injected into a Boundary Layer
  • 6.7.2. Method and Apparatus for Increasing the Effectiveness and Efficiency of Multiple Boundary Layer Control Techniques
  • 6.7.3. The Underwater Apparatus with Fin Propulsive Device
  • 6.7.4. The Underwater Apparatus
  • 6.8. Modeling of Disturbance Development in the Flow Behind a Ledge
  • 6.9. Basic Conclusions
  • 6.9.1. Flow of Elastic Surfaces
  • 6.9.2. Injection of Polymer Solutions at a Flow of Elastic Surfaces Generating Longitudinal Vortical Structures
  • 6.9.3. Influence of Nasal Parts of a Body on the Efficiency of Polymer Solution Injection into a Boundary Layer
  • 6.9.4. Influence of a Static Electrical Field on the Characteristics of a Boundary Layer
  • 6.9.5. Injection of Polymer Solutions from Two Slots
  • 6.9.6. Injection of Polymer Solutions from One Nasal Slot for a Flow of the Cylinder with an Elastic Surface
  • 6.9.7. Various Methods of Injection into a Boundary Layer of Gas Microbubbles
  • 6.9.8. Injection of Polymer Solutions Through Three Slots
  • ch. 7 Mathematical Modeling of the Turbulent Boundary Layer with Injection of Polymer Additives
  • 7.1. Introduction
  • 7.2. Statement of Problem
  • 7.3. Brief Analysis of Known Results for Turbulent Flows in the Presence of Solutions of High-Molecular-Weight Polymers
  • 7.3.1. Physical Aspects of Influence of the Polymeric Components on the Structure of a Boundary Layer Flow
  • 7.3.2. Influence of the Components of a Polymer on the Profile Longitudinal Component Velocity
  • 7.4. Governing Equations
  • 7.5. Calculation Method
  • 7.6. Turbulence Model
  • 7.7. Calculations Results and Discussion
  • 7.8. Conclusions
  • 7.9. Probable Directions for Further Developments.

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