trapezoidal cross-section with bottom width, B = 3 m, and sidewall slope, 0 = 60° is shown as below. When flow depth is y0 =2.5 m, please determine 1) flow section area, A, 2) hydraulic radius, R, and 3) hydraulic depth, D. Furthermore, if the mean velocity at this cross-section is V = 1.5 m/s, please determine 4) Reynolds number, Re, =1.14*103, 5) Froude number, Fr, of this channel
trapezoidal cross-section with bottom width, B = 3 m, and sidewall slope, 0 = 60° is shown as below. When flow depth is y0 =2.5 m, please determine 1) flow section area, A, 2) hydraulic radius, R, and 3) hydraulic depth, D. Furthermore, if the mean velocity at this cross-section is V = 1.5 m/s, please determine 4) Reynolds number, Re, =1.14*103, 5) Froude number, Fr, of this channel
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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6. A trapezoidal cross-section with bottom width, B = 3 m, and sidewall slope, 0 = 60° is shown as below. When flow depth is y0 =2.5 m, please determine 1) flow section area, A, 2) hydraulic radius,
R, and 3) hydraulic depth, D. Furthermore, if the mean velocity at this cross-section is V = 1.5 m/s,
please determine 4) Reynolds number, Re, =1.14*103, 5) Froude number, Fr, of this channel flow, and 6) specify the flow condition (Is this a subcritical, critical, or supercritical flow?).
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