2.1 Review of Vector Relations 2.2 Models of the Fluid: Control Volumes and Fluid Elements 2.3 Continuity Equation 2.4 Momentum Equation 2.5 Substantial Derivative 2.6 Fundamental equations in terms of the substantial derivative 2.7 Pathlines, Streamlines, and Streaklines of a Flow 2.8 Circulation 2.9 Stream Function 2.10 Velocity Potential 2.11 Relationship Between the Stream Function and Velocity Potential 2.12 Summary