on 7-5 -The discharge in a long 12-ft-wide rectangular channel is 345 cfs, and the nomal reasoning in answering the following questions: (1) Is the channel steep or mild? (2) depth is 5 ft. At a specific section in the channel the depth is 2 ft. Include all work or Is the flow subcritical or supercritical? (3) Does the depth increase, decrease, or re main constant as the flow proceeds downstream? (4) Sketch a possible physical situa tion depicting the given conditions. (5) If n = 0.020, calculate the channel slope. (6) If nE 0 020, calçulate the friction slope at the specified section.
on 7-5 -The discharge in a long 12-ft-wide rectangular channel is 345 cfs, and the nomal reasoning in answering the following questions: (1) Is the channel steep or mild? (2) depth is 5 ft. At a specific section in the channel the depth is 2 ft. Include all work or Is the flow subcritical or supercritical? (3) Does the depth increase, decrease, or re main constant as the flow proceeds downstream? (4) Sketch a possible physical situa tion depicting the given conditions. (5) If n = 0.020, calculate the channel slope. (6) If nE 0 020, calçulate the friction slope at the specified section.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
Related questions
Question
Problem 7-61
Transcribed Image Text:7-61. The discharge in a long 12-ft-wide rectangular channel is 345 cfs, and the normal
0.020, calculate the channel slope. (6)
7-60. Prepare a computer program that when given the depth, width, and discharge in a
main constant as the flow proceeds downstream? (4) Sketch a possible physical situa
Is the flow subcritical or supercritical? (3) Does the depth increase, decrease, or re
rectangular channel will determine whether a hydraulic jump is possible and, if so,
reasoning in answering the following questions: (1) Is the channel steep or mild? (2)
depth is 5 ft. At a specific section in the channel the depth is 2 ft. Include all work or
will calculate the downstream depth and velocity, the head loss and power loss in the
sulting surge velocity
jump, and the length of the jump.
Section 7-5
tion depicting the given conditions. (5) If n
If n = 0.020, calculate the friction slope at the specified section.
7-62. The discharge in a 5-m-wide rectangular channel is 10 m°/s, and the normal dend
0.4 m. At a specific section in the channel the depth is 2 m. Answer the quert
given in Prob. 7-61 for this channel.
7-63 through 7-68. Sketch and label all possible water surface profiles for each of the
following transition problems. On mild or steep slopes assume that the sections ll
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