5. A horizontal cylindrical pipe has a diameter of 3 cm at point A and a...
H2.3 Consider water at 20°C flowing through a horizontal pipe of diameter 15 cm and length 10 m. The flowrate is 0.021 m3/s and the wall shear stress is 5.76 N/m2. Assume fully developed flow. a. Verify that the flow is turbulent b. Determine the pressure drop [N/m2 c. Estimate the viscous sublayer thickness [mm], i.e., where y+ 5 d. Compare results of part c. with typical pipe roughness (see Table 8.1 in text and comment on implication e. Using...
A horizontal pipe, 10 cm in diameter, has a smooth reduction to a pipe 5 cm in diameter. If the pressure of the water in the larger pipe is 8.00*10^4 Pa and the pressure in the smaller pipe is 6.00*10^4 Pa, what is the flow speed of the water (in m/s) in the smaller pipe?
In a section of horizontal pipe with a diameter of 4.0 cm, the pressure is 47 kPa and water is flowing with a speed of 2.0 m/s. The pipe narrows to 2.0 cm. What is the pressure in the narrower region? Treat the water as an ideal incompressible fluid. The density of water is 1000 kg/m3 . (1 kPa = 1000 Pa)
A flow nozzle equipped with a differential pressure gage is used to measure the flow rate of water at 10°C (p 9997 kg/m3 and p 1.307 x 10-3 kg/m s) through a 3-cm-diameter horizontal pipe. The nozzle exit diameter is 1.5 cm, and the measured pressure drop is 3.3 kPa. Determine the volume flow rate of water, the average velocity through the pipe, and the head loss 1.5 cm Differential pressure gage -3 m3(s m/s The volume flow rate of...
Q8 A horizontal pipe 50 mm diameter is fitted with a venturi tube, which has a throat diameter of 40 mm. The pipe carries water at a pressure of 30 kPa gauge and velocity 3 m/s upstream of the throat. Determine: a. The mass flow rate; b. The velocity at the throat C. The pressure at the throat ignoring head losses: d. The pressure at the throat if a head loss equal to 5% of the total head occurs as...
Water is flowing through a horizontal pipe with an inside diameter of 8.00cm. The pipe narrows to an inside diameter of 3.75cm. Assume the water is an ideal incompressible fluid. What is the velocity of the fluid initially, v_1 (when It is flowing in the 8.00cm diameter section) if the velocity of the water in the narrow part of the pipe is measured at V_2 = 27m/s? If the initial pressure is known to be 670 kPa what is the...
Air enters a 16-cm-diameter pipe steadily at 200 kPa and 20°C with a velocity of 5 m/s. Air is heated as it flows, and it leaves the pipe at 180 kPa and 38°C. The gas constant of air is 0.287 kPa·m3/kg·K. Whats the volumetric flow rate of the inlet/outlet, mass flow rate and velocity & volume flow rate at the exit?
(a) A horizontal pipe of diameter 10 cm carries crude oil from A to C as shown in Figure 4. At a point B, midway between A and C, oil leaks at a volume flow rate of QL . The pressure drop per unit length along AB is 640 Pa/m and along BC is 600 Pa/m. Determine the leakage flow rate QL . The density of oil is 800 kg/m3 and its dynamic viscosity is 0.1 N.s/ m2 . You...
4. An old, rough-surfaced, 2-m-diameter concrete pipe with a Manning coefficient of 0.025 carries water at a rate of 5.0 m'/s when it is half ful. This pipe is to be replaced by a new smooth pipe with a Manning coefficient of 0.012. Determine the diameter of the new pipe if it also is to flow half full with a flow rate of 5.0 m'/s Water initially flowing in the horizontal section of pipe of diameter 12.00 cm shown in...
Water is flowing through a 600mm diameter horizontal pipe n = 0.013 and 1000m in length. A gage pressure downstream has a reading of 16 kPa and another gage in between the ends of the pipe reads 20 kPa while on the upstream side reads 30 kPa. a. Determine the total head loss of the pipe b. Determine the velocity of flow in m/s. c. Determine the rate of discharge in liter per second.