HGL Elevatior - 10 D- 30 cm Elevation-6 m 40 cm diameter Water T- 10-C Elevation - 2 m EGL HGL Elevatior = 10m D= 30 cm
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- The 30o directional pressure pipe elbow in the vertical plane is 60 cm in diameter. from the elbowThe flow rate of the current passing is 1 m3/s. At the lower end (1) of the elbow, the pressure is 70 kPa and the ground level is 30 m, the upperAt the end of the section (2), the ground level is 31 m. The fluid is water (ρwater=1000 kg/m3), frictionless and incompressible.taking into account thata) Find the velocities in sections (1) and (2) and the pressure in section (2).b) The weight of the pipe at the elbow is 1400 N. In case the length between sections is 1.2 mIn order to keep the elbow stable, taking into account the mass of water in the elbow, in the vertical directionCalculate the force that must be applied.Water at 20°C flows by gravity through a smooth pipe from one reservoir to a lower one. The elevation difference is 60 m. The pipe is 360 m long, with a diameter of 12 cm. For the given system a pump is used at night to drive water back to the upper reservoir. If the pump delivers 15,000 W to the water, estimate the flow rate (in m^3/h). For water at 20°C, take ρ = 998 kg/m3 and μ = 0.001 kg/m-s.The head-discharge relationship for a certain pump can be represented by the equation H-29-6Q^2 The pump is fixed 2 m shove the water surface tank at a level 10 m above the pump. The suction and delivery pipes are 12 m and 720 m long, respectively and each pipe is 0.5 m in diameter. The Estimate the discharge (in m³/s) at the best operating point for the pumping system,
- Through a duct air enters a fan at 6.3 m/s and an inlet static pressure 2.5 cm of water less than atmospheric pressure. The air leaves the fan through a duct at 11.25 m/s and a discharge static pressure of 7.62 cm of water above the atmospheric pressure. If the specific weight of the air is 1.2 kg/cubic meters and the fan delivers 9.45 cubic meters/sec, what is the fan efficiency when the power input to the fan is 13.75 kW at the couplingWater at 60 deg. F is pumped from a reservoir to the top of a mountain through a 6-in SCH 120 pipe at an average velocity of 12 ft/s. The pipe discharges into the atmosphere at a level 3000 ft above the level in the reservoir. The pipeline itself is 4500 ft. long. If the overall efficiency of the pump and the motor driving it is 70% and the cost of electric energy to the motor is 4 cents per kilowatt-hour, 5. what is the volumetric flow rate in cubic feet / sec? 2.348.193.241.989.81none of the given4.32A pump delivering 0.23 m3/s of water has a 304.8mm diameter suction flange and 254mm discharge flange. The suction pipe is 3.66m long and the discharge pipe is 22.86m long. Neglecting the turbulence losses in the pipe, find: a.) the head which the pump must deliver ( in meters ) b.) the motor power in KW required if the efficiency is 80%, c.) the reynold’s number and type of flow in the suction pipe d.) the reynold’s number and type of flow in the discharge pipe
- Consider two identical wind turbines with a hub height of 40 m, one located in flat agricultural land and one located above a forest. What is the relative output power for the two turbines if the wind velocity is 10 m/s at a height of 100 m in both cases? Pagricultural/Pforest = ?Water at 60 deg. F is pumped from a reservoir to the top of a mountain through a 6-in SCH 120 pipe at an average velocity of 12 ft/s. The pipe discharges into the atmosphere at a level 3000 ft above the level in the reservoir. The pipeline itself is 4500 ft. long. If the overall efficiency of the pump and the motor driving it is 70% and the cost of electric energy to the motor is 4 cents per kilowatt-hour, 2. what is the theoretical power consumption in hp? 373755575557337733none of the givenWater at 60 deg. F is pumped from a reservoir to the top of a mountain through a 6-in SCH 120 pipe at an average velocity of 12 ft/s. The pipe discharges into the atmosphere at a level 3000 ft above the level in the reservoir. The pipeline itself is 4500 ft. long. If the overall efficiency of the pump and the motor driving it is 70% and the cost of electric energy to the motor is 4 cents per kilowatt-hour,1. what is the hourly energy cost for pumping this water? $3.21$ 18.32$12.83$81.23$ 32.18$23.81none of the given
- A hose of diameter 3 cm is used to drain a very large tank filled with water (=1000 kg/m3). The hose is draped over the side of the tank so the water is siphoned out. If the hose discharge is 1 m below the surface of the water, estimate the discharged mass flow rate in kg/s? A siphon implies a continuous liquid leg from the water in the tank up the siphon at point 2, the highest elevation, and down to the discharge at point 3. Assume that alpha=1, the discharge at point 3 as well as the tank are both open to the atmosphere and shaft work and frictional losses are ignored. 2.Based on your solution, how can you drain the tank faster?5.15 WILEY Water at 0.1 m³/s and alcohol (SG = 0.8) at 0.3 m³/s are mixed in a y-duct as shown in Fig. 5.15. What is the average density of the mixture of alcohol and water? Water and alcohol mix Water Q=0.1 m³/s Alcohol (SG = 0.8) Q = 0.3 m³/s Figure P5.15Water from a reservoir is pumped over a hill through a pipe 450 mm in diameter and a pressure of 1 kg/cm2 is maintained at the summit. Water discharge is 30 m above the reservoir. The quantity pumped is 0.5 m3/sec. Frictional losses in the discharge and suction pipe and pump is equivalent to 1.5 m head loss. The speed of the pump is 800 rpm what amount of energy must be furnished by the pump, kW?