本书以简单易懂的方式系统地介绍了工程流体力学的基本概念、原理和方法。工程流体力学教科书对于土木、环境、机械和石油工程等领域的专业人员和学生来说是必不可少的。它不同于目前市面上大多数教科书和专著那么复杂，包含大量的数学公式和方程式，而是以简明清晰的方式介绍了流体力学知识的基础概念和流动规律，用于进一步的研究工作。此外，它还提供了大量有价值的图和表，这些图和表可以快速、直接地用作被工业应用。更有价值的是，书中强调了自由流动和多孔流动之间的联系，可以帮助跨学科研究，如纳米技术和环境科学等。最重要的是，书中每章末都提出了形式各样的工业应用问题，以便读者更好地理解流体力学的原理和应用。

1 Introduction
1.1 Background
1.1,1 Definition of Fluid Mechanics
1.1.2 Trends in Fluid Mechanics
1.1.3 Research Methods of Fluid Mechanics
1.2 Continuum Model of Fluid
1.2.1 Fluid Particles
1.2.2 Continuum Model of Fluid
1.3 Main Properties of Fluid
1.3.1 Density and Specific Weight
1.3.2 Viscosity
1.3.3 Compressibility and Expansibility
1.3.4 Surface Tension
1.4 Problems
References
2 Fluid Statics
2.1 Forces on a Fluid
2.1.1 Mass Force
2.1.2 Surface Force
2.2 Equilibrium Equation and Its Integral
2.2.1 Eulerian Equilibrium Equation
2.2.2 Integral of Equilibrium Equation
2.2.3 Isobaric Surface
2.3 Basic Equation for Fluid Statics
2.3.1 Pressure Distribution in a Static Liquid
2.3.2 Pressure Calculation in a Static Liquid
2.3.3 Absolute Pressure, Relative Pressure, and Vacuum Degree
2.3.4 Physical Meaning of Basic Equation for Fluid Statics
2.4 Pressure Measurement
2.4.1 Units of Pressure
2.4.2 Pressure Measuring Instruments
2.5 Forces Exerting on a Plate by Static Fluid
2.5.1 Resultant Force
2.5.2 The Action Location of Resultant Force
2.6 Problems
References
3 Fluid Dynamics
3.1 Approaches Describing the Motion of Fluids
3.1.1 Lagrangian Approach
3.1.2 Eulerian Approach
3.2 Classification and Basic Concepts of Fluid Flow
3.2.1 Classification of Fluid Flow
3.2.2 Basic Concepts of Fluid Flow
3.2.3 Cross Section, Velocity, and Flow Rate
3.3 Continuity Equation of Fluid Motion
3.3.1 The Continuity Equation in Rectangular Coordinate System
3.3.2 Continuity Equations for Elementary Flow Beam and Total Flow
3.4 Differential Equations of Motion for Inviscid Fluid
3.5 Bernoulli's Integral of Motion Differential Equations for Inviscid Fluid
3.6 Differential Equations of Motion and Bernoulli Equation for Viscous Fluid
3.6.1 Differential Equation of Motion for Viscous Fluid
3.6.2 Bernoulli Equation for Viscous Fluid Motion
3.6.3 Energy Considerations About Bernoulli Equation
3.7 Bernoulli Equation for Viscous Fluid Flow in Pipes and Ducts..
3.7.1 Rapidly Varied Flow and Gradually Varied Flow
3.7.2 Bernoulli Equation in Pipe or Duct
3.7.3 Other Forms of Bernoulli Equation
3.7.4 Application Examples of Bernoulli Equation
3.8 Instruments for Velocity and Flow Rate Measurement
3.8.1 Pitot Tube
3.8.2 Venturi Tube
3.9 Momentum Equation for Steady Flow and Its Application
3.9.1 Momentum Equation for Steady Flow
3.9.2 Application of Momentum Equation
3.10 Problems
References
4 Head Loss of Incompressible Viscous Flow
4.1 Types of Head Loss
4.1.1 The Hydraulic Diameter
4.1.2 Friction Loss and Minor Head Loss
4.2 Two Regimes of Viscous Flow
4.2.1 Reynolds Experiment
4.2.2 Criteria for Flow Regime
4.3 Laminar Flow in Circular Pipe
4.3.1 Two Methods for Laminar Flow Analysis
4.3.2 Velocity Profile and Shear Stress Distribution of Laminar Flow in Pipes
4.3.3 Flow Rate and Average Velocity of Laminar Flow in Pipes
4.3.4 Friction Head Loss in Laminar Flow
4.3.5 The Entrance Region
4.4 Turbulent Flow in Circular Pipe
4.4.1 Parameters Description in Turbulent Flow
4.4.2 Mixing Length Theory
4.4.3 Velocity Distribution of Turbulent Flow in Pipes ...
4.4.4 Head Loss of Turbulent Pipe Flow
4.5 Determination of Friction Factor in Circular Pipe
4.5.1 Calculation Equation
4.5.2 Nikuradse Tests
4.5.3 Moody Chart
4.6 Calculation of Frictional Loss in Noncircular Duct
4.6.1 Using Darcy-Weisbach Equation
4.6.2 Using Chezy Equation
4.7 Theoretical Foundation of Boundary Layer
4.7.1 Basic Concept of Boundary Layer
4.7.2 Thickness of Flat Plate Boundary Layer
4.7.3 Boundary Layer Separation