8.61 cally through a 200-fi-long, 1.0-in.-diameter drawn tubing at a rate of 0.060 ft'/s if the pressures at the inlet and outlet are the same? Pu
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- The 28-in-diameter pump in Fig. at 1170 r/min isused to pump water at 20°C through a piping system at14,000 gal/min. (a) Determine the required brake horsepower.The average friction factor is 0.018. (b) If there is65 ft of 12-in-diameter pipe upstream of the pump, how farbelow the surface should the pump inlet be placed to avoidcavitation?The tank–pipe system of Fig. is to deliver at least11 m3/h of water at 20°C to the reservoir. What is themaximum roughness height ε allowable for the pipe?A vessel is being filled with water through an inlet at section 1 having a diameter of 40 mm and a faucet at section 3. The velocity at section 1 is given as 5 m/s, while the discharge at section 3 is given as 0.012 m^3/ s. Assume constant water level. Use 60 mm for the diameter of the outlet at section 2. A. What is the discharge at section 2? B. What is exit velocity at section 2? C. If the water level varies and the velocity at section 2 is 8m/s find the rate of change when d is equal to 1000mm?
- For the siphon in Fig. 6.26, calculate the distance X re-quired to obtain a volume flow rate of 7.1 X 10-3m³/s.The 11-in Bell and Gossett pump is tobe scaled up to provide, at best efficiency, ahead of 250 ftand a flow rate of 3000 gal/min. Find the appropriate(a) impeller diameter; (b) speed in r/min; and (c) horsepowerrequired.Water at 10°C is flowing from point A to point B through the fabricated section shown below at the rate of 0.37 m3/s. If the pressure at A is 66.2 kPa, calculate the pressure at B. answer should be 34.9 kPa
- Two 32-in pumps from Fig. are to be used in seriesat 1170 r/min to lift water through 500 ft of vertical castiron pipe. What should the pipe diameter be for most effi -cient operation? Neglect minor losses.Aa certain hydro-power station has a head of 500m between the upper and lower reservior. A. Determing the approach velocity of water as it enters the turbine ; B. If the volume flowrate is 60cumec, what is the diameter of the penstock; and C. If the head loss due to friction represents 10% of the static head in (a) determine the actual velocity approach and the corrected diameter of the penstock requiredI solved most of this but need some guidence towards the end after you have m flow rate and both h_2 and h_1.
- Gasoline (sg0.67) is flowing at 0.11 m³/s in the fabri- cated tube shown in Fig. 6.19. If the pressure before the con- traction is 415 kPa, calculate the pressure in the smaller tube.find the diameter of pipe of length 2500m when rate of flow of water through pipe is 0.25m cube/sec and head lose due to friction is 5m . take C=50 in chezy's formulaThe Alaska Pipeline in the chapter opener photo has a designflow rate of 4.4 E7 gallons per day of crude oil at 60°C(see Fig. A.1). (a) Assuming a galvanized-iron wall, estimatethe total pressure drop required for the 800-mile trip.(b) If there are nine equally spaced pumps, estimate thehorsepower each pump must deliver.