VISCOUS FLUID FLOW Third Edition Frank M. White University of Rhode Island Me Graw Hill Higher Education Boston Burr Ridge, IL Dubuque, IA Madison, Wl New York San Francisco St. Louis Bangkok Bogota Caracas Kuala Lumpur Lisbon London Madrid Mexico City Milan Montreal New Delhi Santiago Seoul Singapore Sydney Taipei Toronto CONTENTS Preface List of Symbols 1 Preliminary Concepts 1-1 1-2 1-3 1-4 Historical Outline Some Examples of Viscous-Flow Phenomena Properties of a Fluid Boundary Conditions for Viscous-Flow Problems Summary Problems 2 Fundamental Equations of Compressible Viscous Flow 2-1 2-2 2-3 2-4 2-5 2-6 2-7 2-8 2-9 2-10 2-11 2-12 2-13 Introduction Classification of The Fundamental Equations Conservation of Mass: The Equation of Continuity Conservation of Momentum: The Navier-Stokes Equations The Energy Equation (First Law of Thermodynamics) Boundary Conditions for Viscous Heat-Conducting Flow Orthogonal Coordinate Systems Mathematical Character of The Basic Equations Dimensionless Parameters in Viscous Flow Vorticity Considerations in Incompressible Viscous Flow Two-Dimensional Considerations: The Stream Function Noninertial Coordinate Systems Control-Volume Formulations Summary Problems xiii xvii 1 1 4 15 45 54 55 59 59 59 60 62 69 74 75 77 81 84 86 88 89 92 92 ix X 3 3-1 3-2 3-3 3-4 3-5 3-6 3-7 3-8 3-9 3-10 4 4-1 4-2 4-3 4-4 4-5 4-6 4-7 4-8 4-9 4-10 4-11 4-12 4-13 4-14 5 5-1 5-2 5-3 5-4 5-5 CONTENTS Solutions of The Newtonian Viscous-Flow Equations 96 Introduction and Classification of Solutions Couette Flows Due to Moving Surfaces Poiseuille Flow through Ducts Unsteady Duct Flows Unsteady Flows with Moving Boundaries Asymptotic Suction Flows Wind-Driven Flows: The Ekman Drift Similarity Solutions Low Reynolds Number: Linearized Creeping Motion Computational Fluid Dynamics Summary Problems 96 98 106 125 129 135 141 144 165 183 205 205 Laminar Boundary Layers Introduction Laminar Boundary-Layer Equations Similarity Solutions for Steady Two-Dimensional Flow Free-Shear Flows Other Analytic Two-Dimensional Solutions Approximate Integral Methods Digital-Computer Solutions Thermal-Boundary-Layer Calculations Flow in the Inlet of Ducts Rotationally Symmetric Boundary Layers Asymptotic Expansions and Triple-Deck Theory Three-Dimensional Laminar Boundary Layers Unsteady Boundary Layers: Separation Anxiety Free-Convection Boundary Layers Summary Problems The Stability of Laminar Flows Introduction: The Concept of Small-Disturbance Stability Linearized Stability of Parallel Viscous Flows Parametric Effects in the Linear Stability Theory Transition to Turbulence Engineering Prediction of Transition Summary Problems 215 215 225 ..230 251 257 261 271 278 287 290 300 307 318 321 328 328 337 337 344 357 370 378 394 394 CONTENTS 6 6-1 6-2 6-3 6-4 6-5 6-6 6-7 6-8 6-9 6-10 7 7-1 7-2 7-3 7-4 7-5 7-6 7-7 7.8 7-9 Incompressible Turbulent Mean Flow Physical and Mathematical Description of Turbulence The Reynolds Equations of Turbulent Motion The Two-Dimensional Turbulent-Boundary-Layer Equations Velocity Profiles: The Inner, Outer, and Overlap Layers Turbulent Flow in Pipes and Channels The Turbulent Boundary Layer on a Flat Plate Turbulence Modeling Analysis of Turbulent Boundary Layers with a Pressure Gradient Free Turbulence: Jets, Wakes, and Mixing Layers Turbulent Convective Heat Transfer Summary Problems Compressible-Boundary-Layer Flow Introduction: The Compressible-Boundary-Layer Equations Similarity Solutions for Compressible Laminar Flow Solutions for Laminar Flat-Plate and Stagnation-Point Flow Compressible Laminar Boundary Layers under Arbitrary Conditions Special Topics in Compressible Laminar Flow The Compressible-Turbulent-Boundary-Layer Equations Wall and Wake Laws for Turbulent Compressible Flow Compressible Turbulent Flow Past a Flat Plate Compressible-Turbulent-Boundary-Layer Calculation with a Pressure Gradient Summary Problems Appendices A B C Transport Properties of Various Newtonian Fluids Equations of Motion of Incompressible Newtonian Fluids in Cylindrical and Spherical Polar Coordinates A Runge-Kutta Subroutine for N Simultaneous Differential Equations XI 398 398 406 411 414 425 433 440 454 473 485 498 498 505 505 511 514 525 539 544 547 ....553 561 566 566 571 571 581 585 Bibliography 590 Index xxx