表面活性剂湍流减阻是流体动力学领域多年来的研究热点,这一现象同时与湍流、流变学、流体动力学等多个方面密切相关,而且对其进行应用推广需要化工、机 械、市政等不同领域知识的有机结合。《表面活性剂湍流减阻(英文版)》正是在这一背景下,基于表面活性剂湍流减阻流动研究领域最新的实验、数值模拟和理论 分析方面的研究成果,详细阐述有关表面活性剂湍流减阻流动的湍流特性、流变学物性、理论、特殊技术以及实际应用方面的问题。
《表面活性剂湍流减阻(英文版)》可供流体力学、工程热物理、化学工程、空调、制冷等相关专业研究生以及相关研究领域的科研人员参考使用。
- Front Matter
- 1 Introduction
- 1.1 Background
- 1.2 Surfactant Solution
- 1.2.1 Anionic Surfactant
- 1.2.2 Cationic Surfactant
- 1.2.3 Nonionic Surfactant
- 1.2.4 Amphoteric Surfactant
- 1.2.5 Zwitterionic Surfactant
- 1.3 Mechanism and Theory of Drag Reduction by Surfactant Additives
- 1.3.1 Explanations of the Turbulent DR Mechanism from the Viewpoint of Microstructures
- 1.3.2 Explanations of the Turbulent DR Mechanism from the Viewpoint of the Physics of Turbulence
- 1.4 Application Techniques of Drag Reduction by Surfactant Additives
- 1.4.1 Heat Transfer Reduction of Surfactant Drag-reducing Flow
- 1.4.2 Diameter Effect of Surfactant Drag-reducing Flow
- 1.4.3 Toxic Effect of Cationic Surfactant Solution
- 1.4.4 Chemical Stability of Surfactant Solution
- 1.4.5 Corrosion of Surfactant Solution
- References
- 2 Drag Reduction and Heat Transfer Reduction Characteristics of Drag-Reducing Surfactant Solution Flow
- 2.1 Fundamental Concepts of Turbulent Drag Reduction
- 2.2 Characteristics of Drag Reduction by Surfactant Additives and Its Influencing Factors
- 2.2.1 Characteristics of Drag Reduction by Surfactant Additives
- 2.2.2 Influencing Factors of Drag Reduction by Surfactant Additives
- 2.3 The Diameter Effect of Surfactant Drag-reducing Flow and Scale-up Methods
- 2.3.1 The Diameter Effect and Its Influence
- 2.3.2 Scale-up Methods
- 2.3.3 Evaluation of Different Scale-up Methods
- 2.4 Heat Transfer Characteristics of Drag-reducing Surfactant Solution Flow and Its Enhancement Methods
- 2.4.1 Convective Heat Transfer Characteristics of Drag-reducing Surfactant Solution Flow
- 2.4.2 Heat Transfer Enhancement Methods for Drag-reducing Surfactant Solution Flows
- References
- 3 Turbulence Structures in Drag-Reducing Surfactant Solution Flow
- 3.1 Measurement Techniques for Turbulence Structures in Drag-Reducing Flow
- 3.1.1 Laser Doppler Velocimetry
- 3.1.2 PIV
- 3.2 Statistical Characteristics of Velocity and Temperature Fields in Drag-reducing Flow
- 3.2.1 Distribution of Averaged Quantities
- 3.2.2 Distribution of Fluctuation Intensities
- 3.2.3 Correlation Analyses of Fluctuating Quantities
- 3.2.4 Spectrum Analyses of Fluctuating Quantities
- 3.3 Characteristics of TurbulentVortex Structures in Drag-reducing Flow
- 3.3.1 Identification Method of Turbulent Vortex by Swirling Strength
- 3.3.2 Distribution Characteristics of Turbulent Vortex in the x-y Plane
- 3.3.3 Distribution Characteristics of Turbulent Vortex in the y-z Plane
- 3.3.4 Distribution Characteristics of Turbulent Vortex in the x-z Plane
- 3.4 Reynolds Shear Stress and Wall-Normal Turbulent Heat Flux
- References
- 4 Numerical Simulation of Surfactant Drag Reduction
- 4.1 Direct Numerical Simulation of Drag-reducing Flow
- 4.1.1 A Mathematical Model of Drag-reducing Flow
- 4.1.2 The DNS Method of Drag-reducing Flow
- 4.2 RANS of Drag-reducing Flow
- 4.3 Governing Equation and DNS Method of Drag-reducing Flow
- 4.3.1 Governing Equation
- 4.3.2 Numerical Method
- 4.4 DNS Results and Discussion for Drag-reducing Flow and Heat Transfer
- 4.4.1 The Overall Study on Surfactant Drag Reduction and Heat Transfer by DNS
- 4.4.2 The Rheological Parameter Effect of DNS on Surfactant Drag Reduction
- 4.4.3 DNS with the Bilayer Model of Flows with Newtonian and Non-Newtonian Fluid Coexistence
- 4.5 Conclusion and Future Work
- References
- 5 Microstructures and Rheological Properties of Surfactant Solution
- 5.1 Microstructures in Surfactant Solution and Its Visualization Methods
- 5.1.1 Microstructures in Surfactant Solution
- 5.1.2 Visualization Methods for Microstructures in Surfactant Solution
- 5.2 Rheology and Measurement Methods of Surfactant Solution
- 5.2.1 Rheological Parameters
- 5.2.2 Measurement Method of Rheological Parameters
- 5.2.3 Rheological Characteristics of Dilute Drag-reducing Surfactant Solution
- 5.3 Factors Affecting the Rheological Characteristics of Surfactant Solution
- 5.3.1 Surfactant Concentration
- 5.3.2 Temperature
- 5.3.3 Type of Surfactant
- 5.4 Characterization of Viscoelasticity of Drag-reducing Surfactant
- Solution by Using Free Surface Swirling Flow
- 5.5 Molecular and Brownian Dynamics Simulations of Surfactant Solution
- 5.5.1 Brief Introduction of Simulation Methods
- 5.5.2 Brownian Dynamics Simulation by Using a WK Potential
- References
- 6 Application Techniques for Drag Reduction by Surfactant Additives
- 6.1 Problems That Need to Be Solved in Engineering Applications
- 6.1.1 Influencing Factors of Drag-reducing Surfactant Additives on the Heat Transfer Performance of Heat Exchangers and Its Counter-measures
- 6.1.2 Influences of Drag-reducing Surfactant Additives on the Environment
- 6.1.3 Scale-up Problem
- 6.2 Separation Techniques for Surfactant Solution
- 6.2.1 Adsorption
- 6.2.2 Ultrafiltration
- 6.2.3 Reverse Osmosis
- 6.3 Drag Reduction Stability of Surfactant Solutions
- 6.3.1 Effect of Adsorption
- 6.3.2 Effects of Fe(OH)3
- 6.3.3 Effects of Cu(OH)2
- 6.3.4 Recovery of Drag Reduction
- 6.4 Applications of Surfactant Drag Reduction
- 6.4.1 Application of Surfactant to Hydronic Heating and Air-Conditioning Systems
- 6.4.2 Surfactant Selection in Actual Applications
- References
- Index
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