5. Wind tunnel: (10 pt) (Please show work) Pair = 1.2041 kg/m³ Calculate: Velocity profile and plotting the dynamic pressure vs. Velocity at main stream velocity 20 m/s. P total P static Velocity Location (Pa) (Pa) (m/s) 1 198 165 2 220 167 3 235 156 4 321 218 5 412 156
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- Example-1 10 - Figure 8.4a shows a 20 B1 typical cross section near the center of a gravity 20 B2 dam. Analyze the block 60 B1 for stability. Assume 20 B3 Тое zero freeboard. Heel la) Cross section of dam FIGURE 8.4 Analysis of a gravity dam. 3:10 6:10 Batter 1:20Find the gage pressure at the bottom of the tank. Oil S=0.85 1.2 m Water 1.5 m Hg S=13.6 5 cm| Select one: O a. 24.72 kPa O b. 31.29 kPa O c. 91.42 kPa O d. 691.80 kPaWater at flows in the system shown. The density of the water is 1.94 slugs/ft', and the viscosity is 2.359x10 slugs/ft-s. Determine the following. a. Q ignoring minor losses b. Q accounting for minor losses Kt 0.5 10 ft IK,- 10 D= 3 ft L= 1000 ft eps = 0.00164 ft Q = ? Ka= 1.0
- Water flows from Reservoir A to Reservoir B elevations: Elevation A = 120 ft and Elevation B = 100 ft. Flow is supported by a pump placed right after Reservoir A Pipe length = 12800 ft. Pipe diameter = 2ft, Hazen Williams Coefficient, C_HW = 100. Minor losses are accumulated using the following formula: hL minor = 0.001Q² [Q in feet ^3/s] Friction is computed: hL friction = K*Q1.85 where K is the pipe number = - Pump Characteristics are: Q[cfs] 0 10 20 25 30 35 H_p[ft] 300 273.0 225.5 187.5 138.0 79.5 a. Find Q in [cfs] b. (4.73* Pipe Length) (Pipe diamenter 4.87*C_HW1.85) Draw the EGL and HGL for the system. Be precise when drawing so your graphs represent relevant aspects of the system, and label points of change. Assume a friction factor f= 0.02; Kentry = 0.5, kexit 1.0 and that the pump is placed 100 ft down the line when measured from reservoir A, i.e, Axpump 100 ft = =Figure shows that the pipe flow of 50 m^3/hr, is driven by pressurized air in the tank. Determine the head loss in the "smooth" pipe in meters if its friction factor is 0.014 *12.9517*99.9358*30.4889*39.5136 What gage pressure p1 in kPa, is needed to provide the given flow rate? *1121 kPa*1692 kPa*1328 kPa*1725 kPaQ/ Find P,-Po and Also find h in the figure below if Pa-Pa is 11.5 KN/m. Water h=? Oil R.D= 0.8 0-30m 0-15m 0-30m 0.10m 0.08m Carbon tetrachloride R.D = 1.60 Mercury RD 13-55
- The rectangular channel is 2 m wide, and the depth of the water is y₁ = 1.6 m as it flows with an average velocity of V = 0.6 m/s. (Figure 1) Figure < 1 of 1 Part C Determine the required height of the bump so that the flow can change to rapid flow after it passes over the bump. Express your answer to three significant figures and include the appropriate units. h= Submit Part D ■μÀ 1 Value Y2 = Request Answer What is the new depth y2 for rapid flow? Express your answer to three significant figures and include the appropriate units. " Submit μA Value Units Request Answer O ? Units ReviQ:/Gage A shown in Figure No (2) reads 4 (Bar). Find the reading of Gage B. If the value of PA is not equal to the value of PB. Mention the REASON. 1m P.=150 (KN/m²) compressed air h water PA PB 1.2m Mercury A Fig.(2)Pair 1.2041 kg/m³ = Calculate: Velocity profile and plotting the dynamic pressure vs. Velocity at main stream velocity 10 m/s and 20 m/s Location 1 2 3 4 5 Initial Velocity 10 m/s P static (Pa) P total (Pa) 123 143 176 256 274 109 132 142 200 136 Velocity (m/s)
- 2. Given v= 4x10-5m²/s for a given fluid flows in a 1350m long pipe having a diameter of 25mm. %3D determine the head lost required to maintain a velocity of 1.5m/sOil (SG = 0.83) flows at a rate of 200 L/s through a 500m pipe with a diameter of 200mm. The friction factor of the pipe is 0.0225. The pipe slopes down at 10 degrees from the horizontal. Determine the difference in pressure between the start of the pipe to the end of the pipe. A) 287.79 KPa B 176.36 KPa c) 129.34 KPa D No Answer among the choices 238.86 KPaAn orifice on the side of a tank discharges water under a head of 9 ft. if the diameter of the orifice is 2”, the coefficient of contraction is 0.63, and the head lost is 0.80 ft, determine the discharge, CV and CD. Pls show also the figure/diagram