Please answer both parts of this question. Please answer both parts of this question. Question: a)...

Please answer both parts of this question.

Question:

a) The channel in question 2 now has a 0.3m high smooth extended shelf built across its base to cover a submerged pipeline but still carries 50m3/s. Plot the specific energy diagram for 0 < y < 4m and calculate the critical depth and minimum specific energy. What are now the two possible flow depths for a specific energy of 4m upstream of the obstructions?

Correct Answers are: (0.833m & 3.54m)

b) A grass-lined triangular channel has side slopes of 1 vertical to 5 horizontal and slopes at

1:1000 for a design flow of 4m3/s. What is normal depth? If water depth is 0.6 m when the discharge (flow rate) is 2m3/s. What is the Specific Energy? What is the Froude Number? Is the flow subcritical or supercritical? What is the critical depth? Classify the slope.

Correct Answers are: (1.14m, 0.606m, 0.46, subcritical, 0.22m, mild)

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Ally Wells answered 1 year ago

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