1- A uniform flow passes through a rectangular channel having a width of 4 m. The channel carriers a discharge of 12 m³/s with a depth of 2.4 m at Section 1. The bed elevation was raised by 30 cm in Section 2. The velocity distribution changes due to the bed roughness in Section 2 and it is expressed by a linear equation in form of v2 = ky2. Using energy losses equal to 10% of the velocity head at Section 2: a) Write the energy equation with all details b) Calculate the flow depth at Section 2 c) Calculate Fr2 d) Calculate Emin e) Calculate Azmax at Side veiw v₂=ky₂ 3/₂ Az

Structural Analysis
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Chapter2: Loads On Structures
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1- A uniform flow passes through a rectangular channel having a width of 4 m. The channel carriers a
discharge of 12 m³/s with a depth of 2.4 m at Section 1. The bed elevation was raised by 30 cm in Section
2. The velocity distribution changes due to the bed roughness in Section 2 and it is expressed by a linear
equation in form of v2= ky2. Using energy losses equal to 10% of the velocity head at Section 2:
a) Write the energy equation with all details
b) Calculate the flow depth at Section 2
c) Calculate Fr
d) Calculate Emin
e) Calculate Azmax
Q
Note: Consider energy losses and velocity distribution in all calculations.
Y₁
Side veiw
2
v=2
V₂
R
Transcribed Image Text:1- A uniform flow passes through a rectangular channel having a width of 4 m. The channel carriers a discharge of 12 m³/s with a depth of 2.4 m at Section 1. The bed elevation was raised by 30 cm in Section 2. The velocity distribution changes due to the bed roughness in Section 2 and it is expressed by a linear equation in form of v2= ky2. Using energy losses equal to 10% of the velocity head at Section 2: a) Write the energy equation with all details b) Calculate the flow depth at Section 2 c) Calculate Fr d) Calculate Emin e) Calculate Azmax Q Note: Consider energy losses and velocity distribution in all calculations. Y₁ Side veiw 2 v=2 V₂ R
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