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1 PROBLEM 1. Water is to be transported at a rate of 10 cumecs in uniform...
SULIT EAT 259 QUESTION 2 (CO2- c3/C4- Uniform flow Open Channel) 1.83 m 1.22 m 0.914...
SULIT EAT 259 QUESTION 2 (CO2- c3/C4- Uniform flow Open Channel) 1.83 m 1.22 m 0.914 m Figure 2 represents the approximate shape of a natural stream channel with levees built on either side. The channel is earth covering with light brush. If the channel slope is 0.000 15, determine the normal discharge for depths of 1.83 m. Refer Appendix A for Manning's, n value. (12 marks) i) When is the follow in an open channel said to be uniform?...
3. Water flows at a uniform velocity of 1 em/s in a circular channel of diameter...
3. Water flows at a uniform velocity of 1 em/s in a circular channel of diameter 2 cm and length 2 m. A uniform heat flux of 10 W/m2 is supplied at the surface. Assume laminar flow and developed flow and temperature. (a) Calculate the variation of the mixing cup temperature with distance and the Nusselt number. (b) If the mixing cup temperature at the inlet is 22 oC, calculate the mixing cup and wall temperatures at the outlet? (e)...
Note: Values of conversions and constants, such as viscosity, are available in your book (inside cover)....
Note: Values of conversions and constants, such as viscosity,
are available in your book (inside cover). Roughness heights, e,
for certain common pipe materials can be found in the textbook.
Values not available in the book will be specified in the problem
statement. Any required plots and tables must be completed neatly
on a computer with appropriate scale for full credit. Sample
calculations for tables and plots must be
provided.
Problem 4 (10 Points) Water flows in a channel whose...
Question 6 A concrete-lined trapezoidal channel with uniform flow has a normal depth of 1.5 m. The base width is 4 m and the side slopes are equal at 1 vertical to 2 horizontal. Mannin‘s n-0015....
Question 6 A concrete-lined trapezoidal channel with uniform flow has a normal depth of 1.5 m. The base width is 4 m and the side slopes are equal at 1 vertical to 2 horizontal. Mannin‘s n-0015. The bed slope 0.001 Compute the mean velocity and discharge. If the above channel were to be designed for flooding, it may have a section like in Figure below 8 m 8 m 4 m When the flow goes over the top of the...
Background The Blue River runs beneath Old Bridge, which is 5 m above the river bed (the gap between the bed and the lowest points of the bridge construction is 5 m). The river has uniform and trapez...
Background The Blue River runs beneath Old Bridge, which is 5 m above the river bed (the gap between the bed and the lowest points of the bridge construction is 5 m). The river has uniform and trapezoidal cross section, with width b-5m IV:2H (i.e., 1 m change of vertical elevation corresponds to 2 m change along the horizontal direction; see Figure 1). The level of water in the Blue River has dramatically increased due to rapid urbanisation along its...
Question 7 Consider flow in an open channel with slope 1:500 and a Manning's n of...
Question 7 Consider flow in an open channel with slope 1:500 and a Manning's n of 0.030. The channel has a rectangular cross-section with a width of 5 m (a) Uniform flow in this channel has a depth of 1.6 m. What is the flowrate in the channel? (4 marks) (b) Suppose that this uniform flow (at point 1 in the figure below) encounters an obstacle on the channel bed (at point 2). How big would the obstacle need to...
QUESTION 1 Water flows uniformly with full capacity in an open channel where cross section is...
QUESTION 1 Water flows uniformly with full capacity in an open channel where cross section is as shown in Figure 1. The Manning's coefficient, n is 0.017 and the bed slope is 0.0012. Determine the flow rate. 1.5 m 0.3 m radius Z = 0.5 2 = 0.7 1.0 m 1.0 m Figure 1
Just tell me which one is right Calculate the average flow rate [m s l) in...
Just tell me which one is right
Calculate the average flow rate [m s l) in an open channel made of concrete (roughness coefficient, n=0.0133, of which slope of water surface (I) is 1/2000. The cross-section shape is rectangle, and the width and effective water depth are both 2 [m]. Average flow rate (m s-): - 0.28 1.28 2.28 5.26 A 0.5-m diameter well fully peneli ales an unconfined aquifer, which is 40.0 m thick. The
Problem # 2 A discharge of 4800 m/s occurs in an approximately rectangular channel with a depth of 10 m and a width of 50 m. The channel slopes at a rate of 1/2000. The bed consists of fine sand (ds-...
Problem # 2 A discharge of 4800 m/s occurs in an approximately rectangular channel with a depth of 10 m and a width of 50 m. The channel slopes at a rate of 1/2000. The bed consists of fine sand (ds- 0.177 mm) and medium sand (ds-0.354 mm). Use the Shields diagram to determine whether these sizes will remain stationary or be transported. Assuming that the width and the slope do not change with the discharge, determine the discharge that...
14.13 (a) only Spreadsheet from HW 3: Manning: 1. Numerically solve for the normal depth using...
14.13 (a) only
Spreadsheet from HW 3:
Manning:
1. Numerically solve for the normal depth using either MS-Excel or Matlab. Hint: your spreadsheet for critical depth in HW3 is a good place to start. 14.13 The channel in Problem 14.7 is excavated in smooth rock to a bed slope of 0.2%. Deter- mine the (a) normal depth of flow, (b) critical slope, and (c) state of flow in the channel. 14.7 A trapezoidal channel has a bed width of 3.5...
SULIT EAT 259 QUESTION 2 (CO2- c3/C4- Uniform flow Open Channel) 1.83 m 1.22 m 0.914 m Figure 2 represents the approximate shape of a natural stream channel with levees built on either side. The channel is earth covering with light brush. If the channel slope is 0.000 15, determine the normal discharge for depths of 1.83 m. Refer Appendix A for Manning's, n value. (12 marks) i) When is the follow in an open channel said to be uniform?...
3. Water flows at a uniform velocity of 1 em/s in a circular channel of diameter 2 cm and length 2 m. A uniform heat flux of 10 W/m2 is supplied at the surface. Assume laminar flow and developed flow and temperature. (a) Calculate the variation of the mixing cup temperature with distance and the Nusselt number. (b) If the mixing cup temperature at the inlet is 22 oC, calculate the mixing cup and wall temperatures at the outlet? (e)...
Note: Values of conversions and constants, such as viscosity,
are available in your book (inside cover). Roughness heights, e,
for certain common pipe materials can be found in the textbook.
Values not available in the book will be specified in the problem
statement. Any required plots and tables must be completed neatly
on a computer with appropriate scale for full credit. Sample
calculations for tables and plots must be
provided.
Problem 4 (10 Points) Water flows in a channel whose...
Question 6 A concrete-lined trapezoidal channel with uniform flow has a normal depth of 1.5 m. The base width is 4 m and the side slopes are equal at 1 vertical to 2 horizontal. Mannin‘s n-0015. The bed slope 0.001 Compute the mean velocity and discharge. If the above channel were to be designed for flooding, it may have a section like in Figure below 8 m 8 m 4 m When the flow goes over the top of the...
Background The Blue River runs beneath Old Bridge, which is 5 m above the river bed (the gap between the bed and the lowest points of the bridge construction is 5 m). The river has uniform and trapezoidal cross section, with width b-5m IV:2H (i.e., 1 m change of vertical elevation corresponds to 2 m change along the horizontal direction; see Figure 1). The level of water in the Blue River has dramatically increased due to rapid urbanisation along its...
Question 7 Consider flow in an open channel with slope 1:500 and a Manning's n of 0.030. The channel has a rectangular cross-section with a width of 5 m (a) Uniform flow in this channel has a depth of 1.6 m. What is the flowrate in the channel? (4 marks) (b) Suppose that this uniform flow (at point 1 in the figure below) encounters an obstacle on the channel bed (at point 2). How big would the obstacle need to...
QUESTION 1 Water flows uniformly with full capacity in an open channel where cross section is as shown in Figure 1. The Manning's coefficient, n is 0.017 and the bed slope is 0.0012. Determine the flow rate. 1.5 m 0.3 m radius Z = 0.5 2 = 0.7 1.0 m 1.0 m Figure 1
Just tell me which one is right
Calculate the average flow rate [m s l) in an open channel made of concrete (roughness coefficient, n=0.0133, of which slope of water surface (I) is 1/2000. The cross-section shape is rectangle, and the width and effective water depth are both 2 [m]. Average flow rate (m s-): - 0.28 1.28 2.28 5.26 A 0.5-m diameter well fully peneli ales an unconfined aquifer, which is 40.0 m thick. The
Problem # 2 A discharge of 4800 m/s occurs in an approximately rectangular channel with a depth of 10 m and a width of 50 m. The channel slopes at a rate of 1/2000. The bed consists of fine sand (ds- 0.177 mm) and medium sand (ds-0.354 mm). Use the Shields diagram to determine whether these sizes will remain stationary or be transported. Assuming that the width and the slope do not change with the discharge, determine the discharge that...
14.13 (a) only
Spreadsheet from HW 3:
Manning:
1. Numerically solve for the normal depth using either MS-Excel or Matlab. Hint: your spreadsheet for critical depth in HW3 is a good place to start. 14.13 The channel in Problem 14.7 is excavated in smooth rock to a bed slope of 0.2%. Deter- mine the (a) normal depth of flow, (b) critical slope, and (c) state of flow in the channel. 14.7 A trapezoidal channel has a bed width of 3.5...
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