Fluid Mechanics for Engineers, 1st Edition in SI Units by Pearson

Chapter 10

Drag and Lift

LEARNING OBJECTIVES

After reading this chapter and solving a representative sample of end-of-chapter problems, you will be able to:

• Understand the causes of drag and lift.
• Calculate drag forces on flat surfaces.
• Use drag and lift coefficients to calculate drag and lift forces.
• Analyze the performance of automobiles, aircraft, and watercraft relative to drag and lift forces.
• Analyze the performance of spherical game balls based on their velocity, rotation, and size.

10.1 Introduction

The force that a flowing fluid exerts on a solid body can be separated into drag and lift components. The drag and lift components of the fluid force are commonly called the drag force and the lift force, or simply the drag and the lift ...