When a uniform stream flows past an immersed thick cylinder, a broad low-velocity wake is created downstream, idealized as a V shape in Fig. 1. Pressures p1 and p2 are approximately equal. If the flow is two-dimensional and incompressible, with width b into the paper, derive a formula for the drag force F on the cylinder. Rewrite your result in the form of a dimensionless drag coefficient based on body F length Cp = pU²bL

Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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When a uniform stream flows past an immersed thick cylinder, a broad low-velocity
wake is created downstream, idealized as a V shape in Fig. 1. Pressures p1 and p2 are
approximately equal.
(a)
If the flow is two-dimensional and incompressible, with width b into the paper, derive
a formula for the drag force F on the cylinder.
(b)
1.
Rewrite your result in the form of a dimensionless drag coefficient based on body
F
length Cp
pU²bL
U
=
L
Fig.1. Airflow on a cylinder
U
U
U/2
L/2
L/2
Transcribed Image Text:When a uniform stream flows past an immersed thick cylinder, a broad low-velocity wake is created downstream, idealized as a V shape in Fig. 1. Pressures p1 and p2 are approximately equal. (a) If the flow is two-dimensional and incompressible, with width b into the paper, derive a formula for the drag force F on the cylinder. (b) 1. Rewrite your result in the form of a dimensionless drag coefficient based on body F length Cp pU²bL U = L Fig.1. Airflow on a cylinder U U U/2 L/2 L/2
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