PHYSICS 150: Fluid Dynamics

E

B

A

A

B

7.1 kPa

R2 = 0.841 R1

(delta)p = 2333.3 Pa

B

C

E

D

E

C

E

C

C

B

B

A

A

C

D

A

C

B

B

E

D

B

A

D

What does viscosity measure?

Give units for viscosity:

Provide an example of a viscous fluid system:

Movement is fastest in a viscous fluid at the ________ of a tube.

In viscous fluids, we measure the ____________ of the fluid’s different speeds.

Give the equation for measuring the speed of a viscous fluid:

(Viscous/Ideal) fluids require a pressure gradient to maintain a constant flow speed.

To maintain constant speed in this kind of fluid, the pressure needs to be higher at the (beginning/end) of the tube.

Give the equation that relates the change in pressure to the viscous drag force:

What is the Poiseuille-Hagan equation used to measure? Give its equation:

When the radius of a tube increases by a factor of 2, the volume flow rate of the fluid increases by a factor of __________.

C

D

D

B

A

E

D

E

B

C

A

E

D

B

B

E

B

B

E

A

A

D

C

P₁ > P₂

A: 4.00 m/s

B: 1.00m/s

0.200 m³/s

6.98×10⁴ Pa

The total area of the capillaries is larger than the area of the aorta. Refer back to Lecture 17.

1.6×10⁹

3.0 mm

1.7×10^-3 m/s7

7.9×10³ Pa

A: 1.0 m/s

B: 16 m/s

0.31 L/s

The ball swings toward the driver side.

16 Pa