Applied Fluid Mechanics (7th Edition)
7th Edition
ISBN: 9780132558921
Author: Robert L. Mott, Joseph A. Untener
Publisher: PEARSON
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Chapter 14, Problem 14.44PP
Determine the required length of a contracted weir similar to that shown in Fig. 14.17 to pass
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Problem 16.10 Find the discharge through a rectangular channel of width 2 m, having a bed
slope of 4 in 8000. The depth of flow is 1.5 m and take the value of N in Manning's formula as 0.012.
a. A stream 24 m wide carries 1.84 m³ /s of water. Determine the resulting
head over a Cipolletti weir 1 m high and 4m long.
Compute for the critical depth in a channel with constant spesific energy of 5cm in a channel with 2.5 width and flow of 2m/sec
Chapter 14 Solutions
Applied Fluid Mechanics (7th Edition)
Ch. 14 - Compute the hydraulic radius for a circular drain...Ch. 14 - A rectangular channel has a bottom width of 2.75...Ch. 14 - A drainage structure for an industrial park has a...Ch. 14 - Repeat Problem 14.3 lO if the side slope is 45Ch. 14 - Compute the hydraulic radius for a trapezoidal...Ch. 14 - Compute the hydraulic radius for the section shown...Ch. 14 - Repeat Problem 14.6 for a depth of 3.50 in.Ch. 14 - Compute the hydraulic radius for the channel shown...Ch. 14 - Compute the hydraulic radius for the channel shown...Ch. 14 - Water is flowing in a formed, unfinished concrete...
Ch. 14 - Determine the normal discharge for an aluminum...Ch. 14 - A circular culvert under a highway is 6 ft in...Ch. 14 - A wooden flume is being built to temporarily carry...Ch. 14 - A storm drainage channel in a city where heavy...Ch. 14 - Figure 14.21 represents the approximate shape of a...Ch. 14 - Calculate the depth of flow of water in a...Ch. 14 - Calculate the depth of flow in a trapezoidal...Ch. 14 - A rectangular channel must carry 2.0m3/s of water...Ch. 14 - The channel shown in Fig. 14.22 has a surface of...Ch. 14 - A square storage room is equipped with automatic...Ch. 14 - The flow from two of the troughs described in...Ch. 14 - For a rectangular channel with a bottom width of...Ch. 14 - It is desired to carry 2.00m3/s of water at a...Ch. 14 - For the channel designed in Problem 14.23, compute...Ch. 14 - Prob. 14.25PPCh. 14 - Prob. 14.26PPCh. 14 - A trapezoidal channel has a bottom width of 2.00...Ch. 14 - For the channel described in Problem 14.27,...Ch. 14 - Repeat Problem 14.28, except that the channel is...Ch. 14 - A trapezoidal channel has a bottom width of 2.00...Ch. 14 - Prob. 14.31PPCh. 14 - Compute the flow area and hydraulic radius for a...Ch. 14 - Prob. 14.33PPCh. 14 - Prob. 14.34PPCh. 14 - Prob. 14.35PPCh. 14 - Prob. 14.36PPCh. 14 - Prob. 14.37PPCh. 14 - Prob. 14.38PPCh. 14 - A rectangular channel 2.00 m wide carries 5.5m3/s...Ch. 14 - Prob. 14.40PPCh. 14 - A triangular channel with side slopes having a...Ch. 14 - A trapezoidal channel with a bottom width of 3.0...Ch. 14 - Prob. 14.43PPCh. 14 - Determine the required length of a contracted weir...Ch. 14 - Prob. 14.45PPCh. 14 - Prob. 14.46PPCh. 14 - Compare the discharges over the following weirs...Ch. 14 - Prob. 14.48PPCh. 14 - For a Parshall flume with a throat width of 9 in,...Ch. 14 - Prob. 14.50PPCh. 14 - A flow rate of 50ft3/s falls within the range of...Ch. 14 - Prob. 14.52PPCh. 14 - A long-throated flume is installed in a...Ch. 14 - Prob. 14.54PPCh. 14 - Prob. 14.55PPCh. 14 - Prob. 14.56PPCh. 14 - Prob. 14.57PPCh. 14 - For a long-throated flume of design B in a...Ch. 14 - For a long-throated flume of design C in a...Ch. 14 - Prob. 14.60PPCh. 14 - Prob. 14.61PP
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- Compute the wetted perimeter and hydraulic radil for a conduit with a cross sectional area of 10 square feet if the section is (a) circular flowing full and (b) semi-circular open channel.arrow_forwardA trapezoidal channel having a bottom slope of 0.001 is carrying a flow of 30 m/s. The bottom width is 10.0 m and the side slopes are 2H to 1V. A control structure is built at the downstream end which raises the water depth at the downstream end to 5.0 m. Compute the water surface profile till 1.20 m. Manning n is 0.013 and a = 1. Select an appropriate Month for your calculations. Please read the question carefully and provide the correct solution with simple steps fast. Please answer quickly.arrow_forwardA rectangular channel is 3m wide and has a depth of flow of 1.5m. The channel roughness can be assumed to be 0.015 and the bed slope is 0.001. Calculate The height by which the bed should be raised to just produce critical depth The width by which the bed should be narrowed to just produce critical deptharrow_forward
- 1Water flows through a rectangular sharp-crested weir with a channel width of 2 m. The channel depth is 1 m with a weir head of 0.1 m. Calculate the discharge. Make a sketch of the channel along with the weir piecesarrow_forward4. The discharge from a 150 mm diameter orifice under a head of 3.05m and coefficient of discharge, C = 0.60 flows into a rectangular channel and over a rectangular suppressed weir. The channel is 1.83m wide and the weir has height, P = 1,50m and length, L = 0.31m. Determine the depth of water in the channel. Use Francis formula and neglect velocity of approach.arrow_forwardA suppressed weir is under a head of 1.65m. The weir is 2.5m long and has a height of 4.5m. What is the flow rate in ?3/? of water over the weir?arrow_forward
- 2.) It is desired to carry 100 gallons/s of water at a velocity of 2 ft/s. in a trapezoidal open channel. Design the channel cross-section for the most efficient conveyance of this flow. (Hint: Table 14.3) noiosiinon nebbua a dpuori egiq.0.1 ni Ae mot ewofl 7 TTJS loovlp enelyrt prilasigo aviey sdolp beansgo vilut e dalontewol.neri eio 0 o boo Trapezoid (half of a hexagon) bloy-dgin sds ni T= 2.309y SMULOLIUARGYH e.A sdr besbnu of z30.577 1.73y2 3.46y y/2 z = 0.577 y 60° 60° b = 1.155y→arrow_forward7.5 m -2.0 m 6.0 m h where b = weir width (m) 2 g = gravitational acceleration (m/s) h = height of water above the weir edge (m) 2.0 m 1.0 m wide weir water flows out through this opening The surge tank pictured (shown with clear sides for illustration purposes) is used to even out variable flows. During periods of high flow, excess water is diverted to the surge tank where it flows out more slowly over the weir. The volumetric flow over the weir is V = 0.011 * b* g¹/2h³/2 Assuming no excess flow is currently being diverted to the surge tank, determine the time required for the water level in the tank to become 6.25 m if the initial height is 7.5 marrow_forwardTwo channels have the same cross-sectional area, but different geometry, as shown. a. Which channel has the largest wetted perimeter? b. Which channel has more contact between water and channel wall? c. Which channel will have more energy loss to friction?arrow_forward
- Please give me right solution... Please remember I want correct solution A rectangular weir having a length of one meter is constructed at one end of a tank having a square section 20 x 20m and a height 10m. If the initial head on the weir is 1m, determine the time required to discharge a volume of 72 cu.m.arrow_forwardQ(1): A power canal of trapezoidal section has to be excavated through hard clay at least cost. Determine the dimensions of the channel, given, discharge equal to 14 m3/s, bed slope 1:2500 and Manning's n = 0.02.arrow_forwardDetermine the height of a rectangular weir of length 5m to be built across a rectangular channel. The maximum depth of water on the upstream side of the weir is 1.5m and discharge is 1.5m^3 /sec Take Cd =0.6 and neglect end contractions.arrow_forward
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