Prob3 Consider a laminar flow that flow rate Q=0.2 ft³/s; v = 6.55 * 10.5 ft²/s. Find pipe diameter D=? [ft]
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![Prob3
Consider a laminar flow that flow rate Q=0.2 ft³/s; v = 6.55 * 10.5 ft²/s.
Find pipe diameter D=? [ft]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Feac0a570-6297-4cdf-aef2-0a4d0a17f388%2F7de2eeb8-d69b-47df-bc26-c9247be214aa%2Flyyzxe_processed.jpeg&w=3840&q=75)
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- An engineer claims that the flow of SAE 30W oil, at 20 °C,through a 5-cm-diameter smooth pipe at 1 million N/h, islaminar. Do you agree? A million newtons is a lot, so thissounds like an awfully high flow rate.Q2: The pipe flow in Fig. 2 is driven by pressurized air in the tank. What gage pressure pl is needed to provide water flow rate Q=75 m/h?. Take: roughness 0.002 m, viscosity = 0.001 Kems and density - 998 kg/m³A smooth pipe containing ethanol at 20°C flows at 7 m3/hthrough a Bernoulli obstruction, as in Fig. . Threepiezometer tubes are installed, as shown. If the obstructionis a thin-plate orifice, estimate the piezometer levels (a) h2and (b) h3.
- Figure 1) shows a tank of 20∘C water with a nozzle h = 27 cm below the surface. Bernoulli's equation applies to the flow between points 1 and 2 on the streamline, but not to the flow between points 2 and 3.What is the volume flow rate through the nozzle in L/min ? Assume that the water level in the tank is held constant.The 35°C water flow of the Figure below discharges to sea-level standard atmosphere. Neglecting losses, for what nozzle diameter D will cavitation begin to occur?A certain garden hose is advertised to be able to deliver 550 gallons of water per hour. If the hose if 50 feet long and has an inside diameter of 5/8 inch, estimate the water pressure necessary to deliver this much water, assuming laminar flow and viscosity at 1.002 x 10-3 kg/(m-s)
- A smooth pipe 30 cm in diameter and 100 m long has a flush entrance and a submerged discharge. The velocity is 3 m/s. If the flowing water has a kinematic viscosity of v=1.16x10^-6 m² /s, What is the total head loss, hL?A 150 mm horizontal waterline contracts abruptly to 75 mm diameter. A pressure gage 150 mm upstream from the contraction reads 34.5 kPa when the mean velocity in the 150 mm pipe is 1.5 m/s. What will pressure gages read 0.6 m downstream and just downstream from the contraction if the diameter of the vena contracta is 61 mm? Neglect pipe frictionA straight 10-cm commercial-steel pipe is 1 km long and islaid on a constant slope of 5°. Water at 20°C flows downward,due to gravity only. Estimate the flow rate in m3/h.What happens if the pipe length is 2 km?
- The pipe fl ow in Fig. is driven by pressurized air inthe tank. What gage pressure p1 is needed to provide a 208Cwater flow rate Q = 60 m3/h?A circular pipe flow, the diameter d=50mm, mean velocity of water flow in the pipe v=1.5m/s, kinematic viscosity v = 0.89x10m/s when water temperature is 25°C. Judge flow regime in the pipe.What is the volume flow rate for water (viscosity= .0010 Pa×s) through a length of pipe L= 0.60m and pipe radius r= 1.03cm if the pressure difference across this length of pipe is 5.2 kPa? Note that 1 kPa= 1000 Pa. What would the volume flow rate be if the same pipe had a radius that is reduced by 21% (i.e. the radius is 79% of its previous value)? Let's call this flow rate Q1. What is the ratio of Q1 to the original flow rate Q? Express this as a decimal number.