Question 12.1: Determine the discharge per unit width of a broad-crested we...

Hydrology and Hydraulic Systems

Determine the discharge per unit width of a broad-crested weir in a rectangular channel as shown in Figure 12.4. Disregard the losses.

Figure 12.4

The "Step-by-Step Explanation" refers to a detailed and sequential breakdown of the solution or reasoning behind the answer. This comprehensive explanation walks through each step of the answer, offering you clarity and understanding.
Our explanations are based on the best information we have, but they may not always be right or fit every situation.

The blue check mark means that this solution has been answered and checked by an expert. This guarantees that the final answer is accurate.
Learn more on how we answer questions.

This Question has been Answered.

Already have an account?

Related Answered Questions

Question: 12.8

The inflow and outflow hydrograph for a river reach are as shown in columns 2 and 3 of Table 12.4. Determine K and x for the reach. ...

Verified Answer:

1. The storage and the weighted discharge for val...

Question: 12.7

Apply the Muskingum-Cunge method to route the inflow hydrograph indicated in columns 1 and 2 of Table 12.3. Peak flow is 680 cfs. The area of cross section of the river at the peak flow is 95 ft2 and the width is 20 ft. The channel has a bottom slope of 0.0001 and the reach length is 25 mi. Select ...

Verified Answer:

Δx=25\:mi

or

132,000\:ft[/...

Question: 12.9

For the inflow hydrograph indicated in columns 1 and 2 of Table 12.5, perform the routing through a river reach when K = 20 hours and x = 0.25. ...

Verified Answer:

Consider

Δt=12

hours.

C_0=\f...

Question: 12.10

Route the inflow hydrograph indicated below through a reservoir. The storage data (water surface elevation versus storage volume) for the reservoir are given below. The spillway discharge is Q = 3LH^3/2. The crest height of the spillway is 50 ft and the length of the spillway is 35 ft. ...

Verified Answer:

1. The above storage data are listed in col. 3 an...

Question: 12.6

For Example 12.4, the rainfall duration is 5 min. Determine the equation of the recession hydrograph. Plot the complete hydrograph. ...

Verified Answer:

1. From Example 12.5,

t_c=7.2\:min

...

Question: 12.5

Estimate the time of concentration for Example 12.4. ...

Verified Answer:

1. From Example 12.4,

α=5

,

...

Question: 12.4

Determine the rising hydrograph for a rainfall rate of 3 cm/hr on a 50 m × 50 m parking lot sloped at 1%. n = 0.02 ...

Verified Answer:

1.

i_e=3\:cm/hr

or

8.33×10^...

Question: 12.3

Find the characteristic curve and the solution of the following equation. Initially, at t = 0, x = 1 m, and u = 2 m/s. ...

Verified Answer:

1. From eq. (12.13),

\frac{ds}{dt}=c\:\:\:...

Question: 12.2

Solve Example 12.1 by the momentum principle. Assume no friction force. ...

Verified Answer:

Refer to Figure 12.5. 1. Considering the horizont...