Briefly discuss the analogy between open channel and compressible flows. The horizontal rectangular channel, shown in Figure1, is used as a stilling basin where four concrete baffle blocks are constructed for the dissipation of energy in a hydraulic jump. The width of the cha is 20m, and the channel bed is smooth. The initial (dj) and sequent (d;) depths of the jump are 4.1m 19.7m respectively and the approach velocity, V1, is 22m/s. Work from first principles, and estimate force on a single baffle block. Hydraulic jump

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Chapter2: Loads On Structures
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2(a)
Briefly discuss the analogy between open channel and compressible flows.
2(b)
The horizontal rectangular channel, shown in Figure1, is used as a stilling basin where four concrete
baffle blocks are constructed for the dissipation of energy in a hydraulic jump. The width of the channel
is 20m, and the channel bed is smooth. The initial (d1) and sequent (d2) depths of the jump are 4.1m and
19.7m respectively and the approach velocity, V1, is 22m/s. Work from first principles, and estimate the
force on a single baffle block.
Hydraulic jump
Cross-sectional view
Baffle block
B
Top view
8008
Transcribed Image Text:2(a) Briefly discuss the analogy between open channel and compressible flows. 2(b) The horizontal rectangular channel, shown in Figure1, is used as a stilling basin where four concrete baffle blocks are constructed for the dissipation of energy in a hydraulic jump. The width of the channel is 20m, and the channel bed is smooth. The initial (d1) and sequent (d2) depths of the jump are 4.1m and 19.7m respectively and the approach velocity, V1, is 22m/s. Work from first principles, and estimate the force on a single baffle block. Hydraulic jump Cross-sectional view Baffle block B Top view 8008
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