Fluid Mechanics. Fluid kinematics. The figure below represents the upper view of pillars, with circular sections of 0.5 m, which support a bridge. The figure also shows the river speeds before and after reaching the pillars. The width of the bridge is 2d. *Consider that in the symmetry section of the bridge there is no flow and the slightest force is exerted in the cross section.

Elements Of Electromagnetics
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Fluid Mechanics. Fluid kinematics.
The figure below represents the upper view of pillars, with circular sections of 0.5 m, which
support a bridge. The figure also shows the river speeds before and after reaching the pillars.
The width of the bridge is 2d.
*Consider that in the symmetry section of the bridge there is no flow and the slightest force is
exerted in the cross section.
d
Uniform speed (v) = 2 m/s
d'
fo) = 15 +
V =
= 1,5 +:
Whereas d = 2 m and d'
1 m, determine:
a) What possible control volumes could be used to resolve the issue?
b) The flow rate per unit of length entering the plane of the image.
c) The slightest force exerted by the river water in this pillar of the figure.
d) Are there any generated momentum? If so, justify it.
Transcribed Image Text:Fluid Mechanics. Fluid kinematics. The figure below represents the upper view of pillars, with circular sections of 0.5 m, which support a bridge. The figure also shows the river speeds before and after reaching the pillars. The width of the bridge is 2d. *Consider that in the symmetry section of the bridge there is no flow and the slightest force is exerted in the cross section. d Uniform speed (v) = 2 m/s d' fo) = 15 + V = = 1,5 +: Whereas d = 2 m and d' 1 m, determine: a) What possible control volumes could be used to resolve the issue? b) The flow rate per unit of length entering the plane of the image. c) The slightest force exerted by the river water in this pillar of the figure. d) Are there any generated momentum? If so, justify it.
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