Problem mts): Consider incompressible Newtonian fluid flow between parallel plates (Fig. 2) that are horizontal and a distance h apart. A constant pressure gradient is applied in the x-direction (dp/dx). The flow is fully developed laminar and steady. The plate width is denoted by B. a) Simplify the governing equations (da); b) Determine the velocity profile pin(); c) Develop an expression for the flow rate ( g Continuity Equation Fixed u(3) Fixed h

Elements Of Electromagnetics
7th Edition
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Author:Sadiku, Matthew N. O.
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Problems): Consider incompressible Newtonian fluid flow
between parallel plates (Fig. 2) that are horizontal and a distance h apart.
A constant pressure gradient is applied in the x-direction (dp/dx). The flow
is fully developed laminar and steady. The plate width is denoted by B.
Simplify the governing equations (4)
b) Determine the velocity profile p
a)
c) Develop an expression for the flow rate
Continuity Equation
26 + 24 (pu) + 2/5
of
Momentum Equations
Pfx
PSY
ap
ax
+ μl
ap + pl
ay
ap
+
ax
(pv) +
ax
+
+
a²u
ay
+
+
(pm²) = 0
=
=
P
dv
at
ar
+ 11
+ 11
+ u
du
əx
In
Əx
+ v
+ v
+ v
dv
dy
du
dy
+ w
+ w
Fixed
Fig. 2: Flow between parallel plates with a constant
pressure gradient
+ w
du
Iv
əz
JH
əz
↑ 1
Fixed
↑
Umas
h
Transcribed Image Text:Problems): Consider incompressible Newtonian fluid flow between parallel plates (Fig. 2) that are horizontal and a distance h apart. A constant pressure gradient is applied in the x-direction (dp/dx). The flow is fully developed laminar and steady. The plate width is denoted by B. Simplify the governing equations (4) b) Determine the velocity profile p a) c) Develop an expression for the flow rate Continuity Equation 26 + 24 (pu) + 2/5 of Momentum Equations Pfx PSY ap ax + μl ap + pl ay ap + ax (pv) + ax + + a²u ay + + (pm²) = 0 = = P dv at ar + 11 + 11 + u du əx In Əx + v + v + v dv dy du dy + w + w Fixed Fig. 2: Flow between parallel plates with a constant pressure gradient + w du Iv əz JH əz ↑ 1 Fixed ↑ Umas h
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