51. What should be the average velocity of water in a tube of radius 2.5 mm so that the flow is just turbulent.? Viscosity of water is 0.001 pa s

Open in App

Solution

Suggest Corrections

Similar questions

Q. A fluid of density 1.3 g/cc is flowing through a pipe of diameter 20 mm. Find velocity of fluid if it flows just turbulent. (Viscosity is 12)

Q. For a fully developed laminar flow of water (dynamic viscosity 0.001 Pa-s) through a pipe radius 5 cm, the axial pressure gradient is -10 Pa/m. The magnitude of axial velocity (in m/s) at a radial location of 0.2 cm is___________

Q. What will be critical velocity of water in a tube of radius

1 m

, if the coefficient of viscosity of water is

1793

poise and Reynold's number is

1000

Q. When a sphere of radius

r_{1} = 1.2 mm

moves in glycerin, the laminar flow is observed if the velocity of the sphere does not exceed

v_{1} = 23 cm/s .

At what minimum velocity

v_{2} (

μ m/s)

of a sphere of radius

r_{2} = 5.5 cm

will the flow in water become turbulent? The viscosities of glycerin and water are equal to

η_{1} = 13.9 P

and

η_{2} = 0.011 P

respectively.

(a) What is the largest average velocity of blood flow in an artery of radius $2 \times 10^{- 3}$ m if the flow must remain laminar? (b) What is the corresponding flow rate? (Take viscosity of blood to be $2.084 \times 10^{- 3}$ Pa s).

Join BYJU'S Learning Program