Question

1. Water flows with a velocity of 3m/s and a depth of 3m in a rectangular channel. a. What is the...

1. Water flows with a velocity of 3m/s and a depth of 3m in a rectangular channel.

a. What is the change in depth produced by an upward change in bottom elevation of 30 cm without energy loss?

b. What is the change in depth produced by down step of 30 cm without energy loss?

c. What is the width of the channel to cause a choke if the total discharge is 27 m3/s?

0 0
Add a comment Improve this question Transcribed image text
✔ Recommended Answer
Answer #1

らm. A2 4 Froude number F ホー 2 2-8) 13 16 2 .1

Add a comment
Know the answer?
Add Answer to:
1. Water flows with a velocity of 3m/s and a depth of 3m in a rectangular channel. a. What is the...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Similar Homework Help Questions
  • The discharge Q in a rectangular channel is 6m3 /s. The channel width is 3m and...

    The discharge Q in a rectangular channel is 6m3 /s. The channel width is 3m and flow depth is 2m. (i) The channel width is reduced (no change to bed elevation) to 1.5m at a downstream location. What is the flow depth at the constriction? Determine if choking conditions are present. Explain your answer using of a q-y curve. (ii) The channel width is reduced (no change to bed elevation) to 1.0m at a downstream location. Calculate the upstream water...

  • Answer and progress. Water flows at 4.3m/s in a rectangular channel of width 3 m and...

    Answer and progress. Water flows at 4.3m/s in a rectangular channel of width 3 m and depth of flow 1m. If the channel width is decreased by 0.75m and the bottom of the channel is raised by 0.25m, Find the followings: The discharge per unit width before the constriction q m3/s/m Discharge per unit width at the constriction q" = m/s/m Water depth of flow in the constriction y2 =

  • In a rectangular channel, water flows at a flow rate of 15 m3 / s. The...

    In a rectangular channel, water flows at a flow rate of 15 m3 / s. The width of the canal is 4.0 m and the water depth is 2.5 m. Without causing the water in the blast to swell: a) If the channel is narrowed without raising the channel base, what is the minimum value that the base width can take? b) Find the maximum threshold height that can be placed on the base without changing the channel width. c)...

  • Water flows in an open rectangular channel at a depth of 1 m with a velocity of 4 m/s.

    4.72) Water flows in an open rectangular channel at a depth of 1 m with a velocity of 4 m/s. The bottom of the channel drops over a short length a distance of 1 m. Calculate the two possible depths of flow after the drop. Neglect all losses. 4.73) If the head loss in Problem 4.72 across the channel drop is 0.2 m, determine the two possible depths of flow. 

  • Water flows in a rectangular channel with a velocity of 2.5 m/s and a depth of...

    Water flows in a rectangular channel with a velocity of 2.5 m/s and a depth of 1.5 m. A door downstream suddenly closes completely, causing surge move to upstream. Determine : a) Velocity Surge(w) b) The depth behind the surge (y2)

  • Q1) Consider a rectangular channel with a constant width b, a) Obtain the equation of water...

    Q1) Consider a rectangular channel with a constant width b, a) Obtain the equation of water surface profile (dy/dx) as function of Froude number and channel bottom slope in a channel transition assuming that over a short distance Ax, the energy losses can be neglected. b) Using the equation you have obtained, draw the water surface profile if flow is supercritical and if there is a downward step at the channel bed and show your results on the graph of...

  • (10 POINTS) Water flows at 12 m'/s in a 3.0-m wide rectangular channel at a depth...

    (10 POINTS) Water flows at 12 m'/s in a 3.0-m wide rectangular channel at a depth of 30 cm. Determine the alternate depth of flow for the same specific energy 7.

  • Water flows at 11 m3/s in a rectangular channel of width 5 m. The slope of...

    Water flows at 11 m3/s in a rectangular channel of width 5 m. The slope of the channel is 0.001 and the Manning roughness coefficient is equal to 0.035. If the depth of flow at a selected section is 2 m, calculate the upstream depth at 500 m from the selected section using the standard step method

  • 9) A rectangular channel 8 feet wide carries 2.5 ft/s of water at a depth of...

    9) A rectangular channel 8 feet wide carries 2.5 ft/s of water at a depth of 3.2 feet. a) What are the most efficient attributes (d, A, P, and R) of the channel? b) If a 1-foot wide pier is placed in the middle of the channel, find the elevation of the water surface at the pier. What is the minimum width of the constriction that will not cause a rise in the upstream water surface?

  • Water flows through the 4-ft wide rectangular channel at a rate 30 ft3/s. The depth of...

    Water flows through the 4-ft wide rectangular channel at a rate 30 ft3/s. The depth of water upstream the potential hydraulic jump is 1 ft. Show a labelled illustration of the channel based on the information provided. Determine whether the hydraulic jump will form or occur. If the jump occurs, evaluate its depth, y2 and its corresponding Froude number. Evaluate the energy head loss in the jump and relative to initial energy head, do you think this head loss is...

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT