Preface |
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ix | |
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1 | (18) |
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1 | (3) |
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4 | (4) |
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6 | (1) |
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1.2.2 Cationic Surfactant |
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6 | (1) |
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1.2.3 Nonionic Surfactant |
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7 | (1) |
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1.2.4 Amphoteric Surfactant |
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7 | (1) |
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1.2.5 Zwitterionic Surfactant |
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7 | (1) |
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1.3 Mechanism and Theory of Drag Reduction by Surfactant Additives |
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8 | (6) |
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1.3.1 Explanations of the Turbulent DR Mechanism from the Viewpoint of Microstructures |
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8 | (2) |
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1.3.2 Explanations of the Turbulent DR Mechanism from the Viewpoint of the Physics of Turbulence |
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10 | (4) |
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1.4 Application Techniques of Drag Reduction by Surfactant Additives |
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14 | (5) |
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1.4.1 Heat Transfer Reduction of Surfactant Drag-reducing Flow |
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15 | (1) |
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1.4.2 Diameter Effect of Surfactant Drag-reducing Flow |
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15 | (1) |
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1.4.3 Toxic Effect of Cationic Surfactant Solution |
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15 | (1) |
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1.4.4 Chemical Stability of Surfactant Solution |
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15 | (1) |
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1.4.5 Corrosion of Surfactant Solution |
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16 | (1) |
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16 | (3) |
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2 Drag Reduction and Heat Transfer Reduction Characteristics of Drag-Reducing Surfactant Solution Flow |
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19 | (44) |
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2.1 Fundamental Concepts of Turbulent Drag Reduction |
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19 | (3) |
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2.2 Characteristics of Drag Reduction by Surfactant Additives and Its Influencing Factors |
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22 | (9) |
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2.2.1 Characteristics of Drag Reduction by Surfactant Additives |
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23 | (4) |
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2.2.2 Influencing Factors of Drag Reduction by Surfactant Additives |
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27 | (4) |
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2.3 The Diameter Effect of Surfactant Drag-reducing Flow and Scale-up Methods |
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31 | (16) |
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2.3.1 The Diameter Effect and Its Influence |
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31 | (1) |
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32 | (11) |
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2.3.3 Evaluation of Different Scale-up Methods |
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43 | (4) |
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2.4 Heat Transfer Characteristics of Drag-reducing Surfactant Solution Flow and Its Enhancement Methods |
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47 | (16) |
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2.4.1 Convective Heat Transfer Characteristics of Drag-reducing Surfactant Solution Flow |
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47 | (3) |
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2.4.2 Heat Transfer Enhancement Methods for Drag-reducing Surfactant Solution Flows |
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50 | (9) |
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59 | (4) |
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3 Turbulence Structures in Drag-Reducing Surfactant Solution Flow |
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63 | (40) |
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3.1 Measurement Techniques for Turbulence Structures in Drag-Reducing Flow |
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64 | (4) |
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3.1.1 Laser Doppler Velocimelry |
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64 | (2) |
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66 | (2) |
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3.2 Statistical Characteristics of Velocity and Temperature Fields in Drag-reducing Flow |
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68 | (15) |
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3.2.1 Distribution of Averaged Quantities |
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69 | (5) |
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3.2.2 Distribution of Fluctuation Intensities |
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74 | (3) |
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3.2.3 Correlation Analyses of Fluctuating Quantities |
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77 | (1) |
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3.2.4 Spectrum Analyses of Fluctuating Quantities |
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78 | (5) |
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3.3 Characteristics of Turbulent Vortex Structures in Drag-reducing Flow |
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83 | (13) |
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3.3.1 Identification Method of Turbulent Vortex by Swirling Strength |
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84 | (1) |
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3.3.2 Distribution Characteristics of Turbulent Vortex in the x-y Plane |
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85 | (2) |
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3.3.3 Distribution Characteristics of Turbulent Vortex in the y-z Plane |
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87 | (3) |
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3.3.4 Distribution Characteristics of Turbulent Vortex in the x-z Plane |
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90 | (6) |
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3.4 Reynolds Shear Stress and Wall-Normal Turbulent Heat Flux |
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96 | (7) |
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100 | (3) |
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4 Numerical Simulation of Surfactant Drag Reduction |
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103 | (80) |
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4.1 Direct Numerical Simulation of Drag-reducing Flow |
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104 | (7) |
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4.1.1 A Mathematical Model of Drag-reducing Flow |
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104 | (5) |
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4.1.2 The DNS Method of Drag-reducing Flow |
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109 | (2) |
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4.2 RANS of Drag-reducing Flow |
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111 | (3) |
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4.3 Governing Equation and DNS Method of Drag-reducing Flow |
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114 | (8) |
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114 | (3) |
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117 | (5) |
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4.4 DNS Results and Discussion for Drag-reducing Flow and Heat Transfer |
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122 | (56) |
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4.4.1 The Overall Study on Surfactant Drag Reduction and Heat Transfer by DNS |
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122 | (38) |
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4.4.2 The Rheological Parameter Effect of DNS on Surfactant Drag Reduction |
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160 | (13) |
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4.4.3 DNS with the Bilayer Model of Flows with Newtonian and Non-Newtonian Fluid Coexistence |
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173 | (5) |
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4.5 Conclusion and Future Work |
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178 | (5) |
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179 | (4) |
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5 Microstructures and Rheological Properties of Surfactant Solution |
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183 | (50) |
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5.1 Microstructures in Surfactant Solution and Its Visualization Methods |
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183 | (6) |
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5.1.1 Microstructures in Surfactant Solution |
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183 | (4) |
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5.1.2 Visualization Methods for Microstructures in Surfactant Solution |
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187 | (2) |
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5.2 Rheology and Measurement Methods of Surfactant Solution |
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189 | (18) |
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5.2.1 Rheological Parameters |
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190 | (4) |
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5.2.2 Measurement Method of Rheological Parameters |
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194 | (6) |
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5.2.3 Rheological Characteristics of Dilute Drag-reducing Surfactant Solution |
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200 | (7) |
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5.3 Factors Affecting the Rheological Characteristics of Surfactant Solution |
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207 | (2) |
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5.3.1 Surfactant Concentration |
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207 | (1) |
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208 | (1) |
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208 | (1) |
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5.4 Characterization of Viscoelasticity of Drag-reducing Surfactant Solution by Using Free Surface Swirling Flow |
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209 | (7) |
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5.5 Molecular and Brownian Dynamics Simulations of Surfactant Solution |
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216 | (17) |
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5.5.1 Brief Introduction of Simulation Methods |
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216 | (5) |
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5.5.2 Brownian Dynamics Simulation by Using a WK Potential |
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221 | (10) |
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231 | (2) |
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6 Application Techniques for Drag Reduction by Surfactant Additives |
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233 | (22) |
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6.1 Problems That Need to Be Solved in Engineering Applications |
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233 | (4) |
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6.1.1 Influencing Factors of Drag-reducing Surfactant Additives on the Heat Transfer Performance of Heat Exchangers and Its Counter-measures |
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234 | (1) |
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6.1.2 Influences of Drag-reducing Surfactant Additives on the Environment |
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235 | (1) |
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236 | (1) |
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6.2 Separation Techniques for Surfactant Solution |
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237 | (2) |
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238 | (1) |
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238 | (1) |
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239 | (1) |
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6.3 Drag Reduction Stability of Surfactant Solutions |
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239 | (3) |
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6.3.1 Effect of Adsorption |
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239 | (1) |
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240 | (1) |
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241 | (1) |
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6.3.4 Recovery of Drag Reduction |
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241 | (1) |
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6.4 Applications of Surfactant Drag Reduction |
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242 | (13) |
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6.4.1 Application of Surfactant to Hydronic Heating and Air-Conditioning Systems |
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242 | (9) |
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6.4.2 Surfactant Selection in Actual Applications |
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251 | (2) |
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253 | (2) |
Index |
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255 | |