Fig.1. Airflow on a cylinder U/2 F pU²bL 1/2 [4/2 1. 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) Rewrite your result in the form of a dimensionless drag coefficient based on body length CD

Fig.1. Airflow on a cylinder U/2 F pU²bL 1/2 [4/2 1. 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) Rewrite your result in the form of a dimensionless drag coefficient based on body length CD

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

U
L
CD
Fig.1. Airflow on a cylinder
U
U
U/2
L/2
L/2
1. 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) Rewrite your result in the form of a dimensionless drag coefficient based on body length
F
pU²bL

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