Given a two-dimensional blunt wedge immersed in a water stream, velocity profiles are measured both at the upstream and downstream Sections 1 and 2 using a streamline- bounded control volume (i.e., one that forms a streamtube). Determine (a) the vertical dimension of the upstream station, h; and (b) the total drag coefficient, which is dominated by the form drag, if the vertical dimension at the downstream station is 8-0.32, and the unit depth (in the z-direction) is W. Hints: The CV shown is only for half of the domain; the wedge is not a slender body; and the lincar velocity distribution at Section 2 in the upper half of the domain may be approximated by: u(x)=(1+24).

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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Given a two-dimensional blunt wedge immersed in a water stream, velocity profiles
are measured both at the upstream and downstream Sections 1 and 2 using a streamline-
bounded control volume (i.e., one that forms a streamtube). Determine (a) the vertical
dimension of the upstream station, h; and (b) the total drag coefficient, which is dominated by
the form drag, if the vertical dimension at the downstream station is 8-0.31, and the unit
depth (in the z-direction) is W. Hints: The CV shown is only for half of the domain; the
wedge is not a slender body; and the linear velocity distribution at Section 2 in the upper half
of the domain may be approximated by: u(x)=(1+24).
0
streamline-bounded control volume
D
2
U
U/3
u(y)
Transcribed Image Text:Given a two-dimensional blunt wedge immersed in a water stream, velocity profiles are measured both at the upstream and downstream Sections 1 and 2 using a streamline- bounded control volume (i.e., one that forms a streamtube). Determine (a) the vertical dimension of the upstream station, h; and (b) the total drag coefficient, which is dominated by the form drag, if the vertical dimension at the downstream station is 8-0.31, and the unit depth (in the z-direction) is W. Hints: The CV shown is only for half of the domain; the wedge is not a slender body; and the linear velocity distribution at Section 2 in the upper half of the domain may be approximated by: u(x)=(1+24). 0 streamline-bounded control volume D 2 U U/3 u(y)
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