Homework Answers
the diagram is something like
both
inlet and outlet are submerged so the culvert flow classified as
class 4 submerged outlet
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2. The upstream elevation of the water surface to a box culvert is 1202.83 m and the downstream elevation of the water surface is 1202.38m. The culvert is 27 m long and 1m high placed on a slope...
QUESTION 4 The diagram below shows a 1 600 x 600 mm precast concrete portal culvert...
QUESTION 4 The diagram below shows a 1 600 x 600 mm precast concrete portal culvert under a freeway The culvert is laid at a slope of 1,8 %) and has wingwalls at 45° which gives an entrance los coefficient of 0,2. The water surface elevations upstream and downstream are 23.928 m ang 23.085m respectively as shown. The invert level on centreline is 22.235 m as shown. Manning's roughness coefficient (n) for concrete 0,012 X Г 23.928m 23 085m 22.235m...
At a head of 1.0 m above the crest of a 3 m high spillway, 20.77...
At a head of 1.0 m above the crest of a 3 m high spillway, 20.77 m/s discharges to a concrete stilling basin (nbasin = 0.016) that is 10 m wide and has zero slope. The invert of the stilling basin is at the same elevation as the bottom of the reservoir upstream of the spillway, and the invert of the streambed downstream of the stilling basin is also at this same elevation. The channel downstream of the stilling basin...
1) You are considering purchasing this home adjacent to a creek. The left floodplain ara has...
1) You are considering purchasing this home adjacent to a creek. The left floodplain ara has long grass, like a pasture The main channel is a clean and straight natural channel The right floodplain has heavy brush. The bottom slope is 0.002. The 100-year flood in the creek, which is the discharge that has a 1% chance of being exceeded in any year, is 350 cfs. 500 feet downstream there is a road crossing 12 feet above the bottom of...
A 4-m high dam with a slope of 8:1 ?V) has been proposed to ensure steady...
A 4-m high dam with a slope of 8:1 ?V) has been proposed to ensure steady water levels in a rectangular channel with a width of 5 m, a bottom slope of 0.2%, a Manning's n of 0.02, and discharge rate of 10 m3/s as shown below. proposed aim So-0.002 1. (15 points) Sketch out the gradually varied flow profiles for the water surface around the proposed dam by hand a. Determine the critical depth for the channel b. Estimate...
7. Given the water surface (M2) profile, channel slope is MILD. Drawdown of the water surface occ...
7. Given the water surface (M2) profile, channel slope is MILD. Drawdown of the water surface occurs with approach to the free overfall For a 90-degree v-notch channel geometry, bed slope 0.0001, a Manning-n of 0.01 and a flow of 0.425 m'/s find (a) the Froude number and flow regime and (b) Critical depth near the free overfall (c) How far upstream does the flow become uniform (d) What is the water depth at this upstream location? M2 NDL DL...
please show all the steps thank you 2. Water flowing at the normal depth in a rectangular concrete channel that is 12 m wide encounters an obstruction, causing the water level to rise above the no...
please show all the steps
thank you
2. Water flowing at the normal depth in a rectangular concrete channel that is 12 m wide encounters an obstruction, causing the water level to rise above the normal depth at the obstruction and for some distance upstream. The water discharge is 126 m3/s, and the channel bottom slope is 0.00086. If the depth of water just upstream from the obstruction (yo) is 4.55 m, find the distance upstream to the point where...
(2) A pump is located H1-2 m above the water surface of a lake. The pump...
(2) A pump is located H1-2 m above the water surface of a lake. The pump has an intake pipe diameter of D-20 cm and the head loss in the pipe that runs from the lake to the pump is hi 0.5 m. The outlet pipe diameter is d-30 cm. The pump has an efficiency of n 0.88 and uses P-15,000 ft.lb/s to pump water to a pond H2- 40 m above the lower lake surface. The head loss in...
3. (20%) Water of 15°C temperature is pumped at a rate of 0.01 m/s through the...
3. (20%) Water of 15°C temperature is pumped at a rate of 0.01 m/s through the 800-m long and 10-cm diameter drawn tubing from the upstream reservoir at an elevation of 10 m to the downstream reservoir at an elevation of 30 m. The pump is located at an elevation of 10 m below the datum and at a distance of 350 m from the upstream reservoir as shown. (a) Find the values of the Reynolds number and the friction...
A box with mass m = 1.2kg on an inclined frictionless surface is released from rest...
A box with mass m = 1.2kg on an inclined frictionless surface is released from rest from a height h = 1.75 m. After reaching the bottom of the incline the box slides with friction (uk = 0.25) along a horizontal surface until coming to a rest after a distance d. 1. Draw a free body diagram for the box while it is on the incline. Clearly label all forces with standard names. 2. Draw a free body diagram for...
A long horizontal cylinder with diameter of d-60 mm and length of L-1 m is at 27°C and is placed ...
A long horizontal cylinder with diameter of d-60 mm and length of L-1 m is at 27°C and is placed in a quiescent environment at 4°C. Find the cooling rate (q). End effects (heat transfer from the two ends of the cylinder) are negligible. The following relation (Churchill and Chu) for Nusselt number can be used. Air (T-288.5K): v=14.87x10° m2/s, k=0.0254 w/m-K, α=21.0x10-6 m2/s, Pr-0.71, B-3.47x1031/K. 1. Quiescent air 7,-4°C 0.06 m diameter T 27 C L=1m MUD 10.60 +...
QUESTION 4 The diagram below shows a 1 600 x 600 mm precast concrete portal culvert under a freeway The culvert is laid at a slope of 1,8 %) and has wingwalls at 45° which gives an entrance los coefficient of 0,2. The water surface elevations upstream and downstream are 23.928 m ang 23.085m respectively as shown. The invert level on centreline is 22.235 m as shown. Manning's roughness coefficient (n) for concrete 0,012 X Г 23.928m 23 085m 22.235m...
At a head of 1.0 m above the crest of a 3 m high spillway, 20.77 m/s discharges to a concrete stilling basin (nbasin = 0.016) that is 10 m wide and has zero slope. The invert of the stilling basin is at the same elevation as the bottom of the reservoir upstream of the spillway, and the invert of the streambed downstream of the stilling basin is also at this same elevation. The channel downstream of the stilling basin...
1) You are considering purchasing this home adjacent to a creek. The left floodplain ara has long grass, like a pasture The main channel is a clean and straight natural channel The right floodplain has heavy brush. The bottom slope is 0.002. The 100-year flood in the creek, which is the discharge that has a 1% chance of being exceeded in any year, is 350 cfs. 500 feet downstream there is a road crossing 12 feet above the bottom of...
A 4-m high dam with a slope of 8:1 ?V) has been proposed to ensure steady water levels in a rectangular channel with a width of 5 m, a bottom slope of 0.2%, a Manning's n of 0.02, and discharge rate of 10 m3/s as shown below. proposed aim So-0.002 1. (15 points) Sketch out the gradually varied flow profiles for the water surface around the proposed dam by hand a. Determine the critical depth for the channel b. Estimate...
7. Given the water surface (M2) profile, channel slope is MILD. Drawdown of the water surface occurs with approach to the free overfall For a 90-degree v-notch channel geometry, bed slope 0.0001, a Manning-n of 0.01 and a flow of 0.425 m'/s find (a) the Froude number and flow regime and (b) Critical depth near the free overfall (c) How far upstream does the flow become uniform (d) What is the water depth at this upstream location? M2 NDL DL...
please show all the steps
thank you
2. Water flowing at the normal depth in a rectangular concrete channel that is 12 m wide encounters an obstruction, causing the water level to rise above the normal depth at the obstruction and for some distance upstream. The water discharge is 126 m3/s, and the channel bottom slope is 0.00086. If the depth of water just upstream from the obstruction (yo) is 4.55 m, find the distance upstream to the point where...
(2) A pump is located H1-2 m above the water surface of a lake. The pump has an intake pipe diameter of D-20 cm and the head loss in the pipe that runs from the lake to the pump is hi 0.5 m. The outlet pipe diameter is d-30 cm. The pump has an efficiency of n 0.88 and uses P-15,000 ft.lb/s to pump water to a pond H2- 40 m above the lower lake surface. The head loss in...
3. (20%) Water of 15°C temperature is pumped at a rate of 0.01 m/s through the 800-m long and 10-cm diameter drawn tubing from the upstream reservoir at an elevation of 10 m to the downstream reservoir at an elevation of 30 m. The pump is located at an elevation of 10 m below the datum and at a distance of 350 m from the upstream reservoir as shown. (a) Find the values of the Reynolds number and the friction...
A box with mass m = 1.2kg on an inclined frictionless surface is released from rest from a height h = 1.75 m. After reaching the bottom of the incline the box slides with friction (uk = 0.25) along a horizontal surface until coming to a rest after a distance d. 1. Draw a free body diagram for the box while it is on the incline. Clearly label all forces with standard names. 2. Draw a free body diagram for...
A long horizontal cylinder with diameter of d-60 mm and length of L-1 m is at 27°C and is placed in a quiescent environment at 4°C. Find the cooling rate (q). End effects (heat transfer from the two ends of the cylinder) are negligible. The following relation (Churchill and Chu) for Nusselt number can be used. Air (T-288.5K): v=14.87x10° m2/s, k=0.0254 w/m-K, α=21.0x10-6 m2/s, Pr-0.71, B-3.47x1031/K. 1. Quiescent air 7,-4°C 0.06 m diameter T 27 C L=1m MUD 10.60 +...
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