Example 10.8 Hydraulic JumpWater on the horizontal apron of the 30 m -wide spillway shown inFig. E10.8a has a depth of 0.2 m and a velocity of 6 m/s . Determinethe depth, y,, after the jump, the Froude numbers before and afterthe jump, Fr, and Fr,, and head loss (ht)due to jumpb= width = 30 mSpillway apronQi=Q2:V1FriV2Fr2 :VgyiV1 = 6 m/sgy2Y1 = 0.2 mDownstreamУ2-1+ y1+8F2hi -1- Y2FiУ1У1У1У1У2

Answered: Example 10.8 Hydraulic Jump Water on…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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2.Water flows through a rectangular channel with a width b = 2 m and a height (Pw) = 1 m, the flow rate ranges from Qmin = 0.02 m^3/s and Qmax = 0.60 m^3/s. This flow rate is measured using Rectangular sharp-crested weir Triangular sharp-crested with = 90^o Broad-crested weir Plot onto the graph Q = Q(H) for each type of weir and give your analysis which type of weir is most appropriate to apply
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Problem 5: Pipe Flow A 10,000 ft P BC 20,000 ft D This semester we worked through several versions of the pipe flow problem sketched above, in which a 3.0 ft diameter pipe is used to convey water from reservoir A (surface elevation 80 ft) to reservoir D (surface elevation 90 ft). In week 14, we considered a specific example with a cast iron pipe (A = 0.00085 ft), flow rate of Q=40 ft³/s, and average velocity of V = 5.66 ft/s. For these conditions, the friction factor was λ = 0.015 and the pump added 86 ft of head. Assume the water temperature is always 60°F. Part A Assuming the pump is 75% efficient and electricity costs 10e/kW.hr, how much will it cost to run this pump for a year? Hint, 1 kW hr = (1000 watts) (1 hr) = (1000 J/s)(3600 s) = 3.6x106 J. Part B Now let us assume we need to double the discharge to Q = 80 ft³/s, but unlike the example in week 13, we are not going to make the false assumption that the friction factor λ is constant. You may, however, assume that the roughness…
1. An actual discharge from a reservoir takes place over a rectangular weir where the flow characteristic is Q= 1.77 BH 3/2 m³/s (a) Find the length of weir (b) The ratio of actual discharge to theoretical discharge * Required to discharge 9 m³/s, if head must not exceed 0.6m

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