The fluid flowing in Fig. 1-3 has an absolute viscosity (u) of 0.0010 lb-s/ft² and specific gravity of 0.913. Calculate the velocity gradient and intensity of shear stress at the boundary and at points 1 in, 2 in, and 3 in from the boundary, assuming (a) a straight-line velocity distribution and (b) a parabolic velocity distribution. The parabola in the sketch has its vertex at A and origin at B.

The fluid flowing in Fig. 1-3 has an absolute viscosity (u) of 0.0010 lb-s/ft² and specific gravity of 0.913. Calculate the velocity gradient and intensity of shear stress at the boundary and at points 1 in, 2 in, and 3 in from the boundary, assuming (a) a straight-line velocity distribution and (b) a parabolic velocity distribution. The parabola in the sketch has its vertex at A and origin at B.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Concept explainers

Properties of Fluids

The term fluid represents a type of substance that can easily change its shape under any external pressure/force and can flow. Fluids can acquire any shape in which it is stored and can resist normal stresses but cannot resist shear stress in rest condition. Whenever external shear stress is applied to fluids, it starts to flow. The fluids may be liquid or gas. Example- water, air, etc.

Question

PROPERTIES OF FLUIDS 0
The fluid flowing in Fig. 1-3 has an absolute viscosity (u) of 0.0010 lbs/ft² and specific gravity of 0.913.
Calculate the velocity gradient and intensity of shear stress at the boundary and at points 1 in, 2 in, and 3 in
from the boundary, assuming (a) a straight-line velocity distribution and (b) a parabolic velocity distribution.
The parabola in the sketch has its vertex at A and origin at B.
3"
B
V
ບ
45 in/s
V
Fig. 1-3

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