Homework Answers
Ans(7) : Vedernikov number is a number that is being used to determine the stability of the flow. Flow stability may be of three types which are stable, unstable and neutrally stable flow and for the classification of these flows we have vedernikov number.
Ans(8) : As the vedernikov number is being mentioned above and if that number is less than zero for any flow then it would be known as neutrally stable flow. The pressure drop is found to be least in these kind of curves.
Ans(9) : The range for the both type of flows in term of the beta and discharge are :
- Open Channel : 0.002–3.313
- Free Surface : 0.045-2.235
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7. What is the Vedernikov number? 8. What is neutrally stable flow? 9. What is the...
V 9) Froude number Fr = gy is important in open channel flow of water, because...
V 9) Froude number Fr = gy is important in open channel flow of water, because a. Open channel flow has a pressure that is different everywhere. b. Open channel flow is with a free surface and the flow is driven by gravity. c. Vgy represented a wave from bottom to surface. d. Wetted perimeter of water channel P can be a rough surface. 10) An open channel flow in a hydraulic lab is designed to line artificially with corrugated...
V gy Froude number Fr = is important in open channel flow of water, because a....
V gy Froude number Fr = is important in open channel flow of water, because a. Open channel flow has a pressure that is different everywhere. b. Open channel flow is with a free surface and the flow is driven by gravity. gy represented a wave from bottom to surface. d. Wetted perimeter of water channel P can be a rough surface.
10. What type of friction is described by ß = 2? 11. For what condition can...
10. What type of friction is described by ß = 2? 11. For what condition can the value of ß be less than 1? 12. What is the Reynolds number? 13. What is the commonly estimated range of Reynolds numbers for the transitional regime in open-channel flow?
8) Cheater knowing Fluid Dynamics? - Red Sox ace Jon Lester pitched against the St. Louis...
8) Cheater knowing Fluid Dynamics? - Red Sox ace Jon Lester pitched against the St. Louis Cardinals in Game 1 of the 2013 World Series, scattering five hits while striking out eight players over 7.2 scoreless innings en route to an 8-1 Boston win for an early 1-0 series lead. But people noticed that he constantly rubbed the ball against the inside of his glove, maybe with resin or some other gel? Or trying to roughen the ball with a...
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?...
7) In a bicycle race, a biker was riding at 60 km/h alone. She wanted to...
7) In a bicycle race, a biker was riding at 60 km/h alone. She wanted to reduce the drag coefficient by drafting behind her teammate to enjoy a reduced drag, thus saving energy. If she uses the same effort that is the same power (Power = F x V), how fast did she go by drafting? a 68.2 km/h b. 72.4 km/h 79.6 km/h d. 82.5 km/h 0. 8) Cheater knowing Fluid Dynamics? - Red Sox ace Jon Lester pitched...
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...
7) In a bicycle race, a biker was riding at 60 km/h alone. She wanted to...
7) In a bicycle race, a biker was riding at 60 km/h alone. She wanted to reduce the drag coefficient by drafting behind her teammate to enjoy a reduced drag, thus saving energy. If she uses the same effort that is the same power (Power = F x V), how fast did she go by drafting? a. 68.2 km/h b. 72.4 km/h c. 79.6 km/h d. 82.5 km/h 8) Cheater knowing Fluid Dynamics? - Red Sox ace Jon Lester pitched...
Fluid Mechanics. Please answer as many as you can. Short answer questions 1) Explain the physical...
Fluid Mechanics. Please answer as many as you can.
Short answer questions 1) Explain the physical meaning of the acceleration term uVu, where u is the velocity vector in a fluid. 2) Name the two equations that are required to describe the flow of an inertial jet in an incompressible, unstratified fluid. 3) What is the “Continuum Hypothesis”? 4) Describe how a viscous boundary layer adjacent to a solid surface results in transfer of momentum to/from that surface. 5) What...
1. (8) A flow of 600 ft/sec is measured at a depth of t sd bottom...
1. (8) A flow of 600 ft/sec is measured at a depth of t sd bottom width of 25 ft and side slope of 31 vThe hn in 1000 ft in length. Estimate the channel roughs c hs s levtion3 2. (8) Compute the weighted runoff curve number for the following conditions and use t to compute the depth of runoff (in) for a storm depth of 4.5 in. Land use/c lawn, open space/fair C residential/0.5-acre lotsD woods/good Soil group...
V 9) Froude number Fr = gy is important in open channel flow of water, because a. Open channel flow has a pressure that is different everywhere. b. Open channel flow is with a free surface and the flow is driven by gravity. c. Vgy represented a wave from bottom to surface. d. Wetted perimeter of water channel P can be a rough surface. 10) An open channel flow in a hydraulic lab is designed to line artificially with corrugated...
V gy Froude number Fr = is important in open channel flow of water, because a. Open channel flow has a pressure that is different everywhere. b. Open channel flow is with a free surface and the flow is driven by gravity. gy represented a wave from bottom to surface. d. Wetted perimeter of water channel P can be a rough surface.
10. What type of friction is described by ß = 2? 11. For what condition can the value of ß be less than 1? 12. What is the Reynolds number? 13. What is the commonly estimated range of Reynolds numbers for the transitional regime in open-channel flow?
8) Cheater knowing Fluid Dynamics? - Red Sox ace Jon Lester pitched against the St. Louis Cardinals in Game 1 of the 2013 World Series, scattering five hits while striking out eight players over 7.2 scoreless innings en route to an 8-1 Boston win for an early 1-0 series lead. But people noticed that he constantly rubbed the ball against the inside of his glove, maybe with resin or some other gel? Or trying to roughen the ball with a...
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?...
7) In a bicycle race, a biker was riding at 60 km/h alone. She wanted to reduce the drag coefficient by drafting behind her teammate to enjoy a reduced drag, thus saving energy. If she uses the same effort that is the same power (Power = F x V), how fast did she go by drafting? a 68.2 km/h b. 72.4 km/h 79.6 km/h d. 82.5 km/h 0. 8) Cheater knowing Fluid Dynamics? - Red Sox ace Jon Lester pitched...
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...
7) In a bicycle race, a biker was riding at 60 km/h alone. She wanted to reduce the drag coefficient by drafting behind her teammate to enjoy a reduced drag, thus saving energy. If she uses the same effort that is the same power (Power = F x V), how fast did she go by drafting? a. 68.2 km/h b. 72.4 km/h c. 79.6 km/h d. 82.5 km/h 8) Cheater knowing Fluid Dynamics? - Red Sox ace Jon Lester pitched...
Fluid Mechanics. Please answer as many as you can.
Short answer questions 1) Explain the physical meaning of the acceleration term uVu, where u is the velocity vector in a fluid. 2) Name the two equations that are required to describe the flow of an inertial jet in an incompressible, unstratified fluid. 3) What is the “Continuum Hypothesis”? 4) Describe how a viscous boundary layer adjacent to a solid surface results in transfer of momentum to/from that surface. 5) What...
1. (8) A flow of 600 ft/sec is measured at a depth of t sd bottom width of 25 ft and side slope of 31 vThe hn in 1000 ft in length. Estimate the channel roughs c hs s levtion3 2. (8) Compute the weighted runoff curve number for the following conditions and use t to compute the depth of runoff (in) for a storm depth of 4.5 in. Land use/c lawn, open space/fair C residential/0.5-acre lotsD woods/good Soil group...
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