MEC203 Chapter 7 Definitions

Question 1

Define Free-stream velocity

Answer 1

The velocity of the fluid relative to an immersed solid body sufficiently far from the body

Question 2

Define Drag

Answer 2

The force a flowing fluid exerts on a body in the flow direction

Question 3

Define Separated region

Answer 3

The low-pressure region behind the body where recirculating and backflows occur

Question 4

Define Wake

Answer 4

The region of flow trailing the body where the effects of the body on velocity are felt