Water flows in a channel with uniform curvature R. The channel has height h = 6mm and width w=190 mm (normal to the drawing plane) as shown in Fig Q3. Thecurved part of the channel has a length of 1 =95 mm in the x-direction. You canassume that the channel height is very small compared to the curvature radius.Neglect effects of gravity.channelyVX1lower wallhupper wallcentrelineFig Q3: Geometry of curved channel, drawing not to scale. The curvature of thechannel is not shown, as too small to be drawn accurately at this scale.Work to 4 significant digits. Enter all values using base units or their combinations,i.e. m, m/s, Pa, N. Do not use multiples as e.g. mm, kPa.You can use values with exponents, such as 0.12e3. a)Assuming that the pressure is uniform on each of the channel walls, determinethe pressure difference between the upper and lower wall that is needed if therequired net force on the two walls is 1850 N pointing downward (in the negativey-direction).Use a sign convention that a positive pressure difference or gradient means thepressure at the higher y-position is higher.The value of the pressure difference isThe value of the pressure gradient across the channel isPa.Pa/m.

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Description: Water flows in a channel with uniform curvature R. The channel has height h = 6mm and width w=190 mm (normal to the drawing plane) as shown in Fig Q3. Thecurved part of the channel has a length of 1 =95 mm in the x-direction. You canassume that the

The channel height is h=6 mm. The width of the channel is w=190 mm. The length of the channel is…

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Assuming that the pressure is uniform on each of the channel walls, determine the pressure difference between the upper and lower wall that is needed if the required net force on the two walls is 1850 N pointing downward (in the negative y-direction). Use a sign convention that a positive pressure difference or gradient means the pressure at the higher y-position is higher. The value of the pressure difference is Pa

Assuming that the pressure is uniform on each of the channel walls, determine the pressure difference between the upper and lower wall that is needed if the required net force on the two walls is 1850 N pointing downward (in the negative y-direction). Use a sign convention that a positive pressure difference or gradient means the pressure at the higher y-position is higher. The value of the pressure difference is Pa

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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Question

Water flows in a channel with uniform curvature R. The channel has height h = 6
mm and width w=190 mm (normal to the drawing plane) as shown in Fig Q3. The
curved part of the channel has a length of 1 =95 mm in the x-direction. You can
assume that the channel height is very small compared to the curvature radius.
Neglect effects of gravity.
channel
y
V
X
1
lower wall
h
upper wall
centreline
Fig Q3: Geometry of curved channel, drawing not to scale. The curvature of the
channel is not shown, as too small to be drawn accurately at this scale.
Work to 4 significant digits. Enter all values using base units or their combinations,
i.e. m, m/s, Pa, N. Do not use multiples as e.g. mm, kPa.
You can use values with exponents, such as 0.12e3.

a)
Assuming that the pressure is uniform on each of the channel walls, determine
the pressure difference between the upper and lower wall that is needed if the
required net force on the two walls is 1850 N pointing downward (in the negative
y-direction).
Use a sign convention that a positive pressure difference or gradient means the
pressure at the higher y-position is higher.
The value of the pressure difference is
The value of the pressure gradient across the channel is
Pa.
Pa/m.

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