Consider a pipe with water (p = 1000 kg/m3, u = 1.12 x 10-3 Ns/m2) flowing...
Water (p = 1000 kg/m3 and u = 1.002X10-3 kg/m.s) is flowing steadily in a 30 m-long and 5 cm-diameter inclined pipe ( = 40% made of stainless steel (ε = 0.002mm) at a rate of 9 L/s. Determine: 1. The pressure drop (P1-P) 2. The pumping power requirement to overcome this pressure drop. 5cm 9 L/s L 30 m
3) Water at 15°C (p- 999.7 kg/m3 and u 1.307 x 10-3 kg/m-s) is flowing steadily in a 0.25-cm diameter, 35-m-long pipe at an average velocity of 1.2 m/s. Determine (a) the pressure drop, (b) the head loss, and (c) the pumping power requirement to overcome this pressure drop.
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...
1. For water at 20 C flowing through a straight smooth pipe at 0.06 m/h, the pipe diameter for which transition to turbulence will occur is approximately a. 1.0 cm b. 1.5 cm c.2.0 cm d. 2.5 cm e. 3.0 cm 2. Find the Reynold number, the roughness parameter, the friction factor f and the pressure drop for flow of water at 20 C through a 5 cm diameter pipe of roughness height E=0.5 mm if the flow rate is...
Water, with density of 1000 kg/m3 and kinematic viscosity of 1.0 x 10- m2/s, is pumped through a total length of 60 m of pipe from a lower reservoir to a higher reservoir. The inner diameter of the pipe is 30 cm. Both reservoirs are open to the atmosphere, and the water surface of the higher reservoir is 10 m above that of the lower reservoir. The entrance from the lower reservoir to the pipe is sharp-edged, and along the...
40 N"s/m2 and ?-1000 kg/m3 is flowing through a circular pipe umetric flow rate (Q) of the oil is 1*10 m'/s, determine: 1) (2096) Oil with viscosity of with diameter D 0 0.1 m. If the volu a. b. If the flow is laminar or turbulent Th e pressure drop over a 20 m length of p ipe in kPa
8-31 Water at 10°C (p = 999.7 kg/m3 and μ = 1.307 × 10-3 kg/m.s) is flowing steadily in a 0.20-cm-diameter, 15-m-long pipe at an average velocity of 1.2 m/s. Determine (a) the pressure drop, (b) the head loss, and (c) the pumping power requirement to overcome this pressure drop. Answers: (a) 188 kPa, (b) 19.2 m, (c) 0.71 W 8-32 Water at 15°C (p = 999.1 kg/m3 and μ = 1.138 × 10-3 kg/m . s) is flowing steadily in a 30-m-long...
Water with density 1000 kg/m3 is flowing in a horizontal pipe with vi 10 m/s to the right. The radius of the pipe is 5.0 cm. The ratio of radius at point 1 to point 2 is ri/ 2, and ri equals to r3. The flow is laminar. Ignore friction (a) Find the flow rate at point 1, 2, and 3 3 Rank the pressure P, P2, and P3, from largest to smallest, at point 1, 2, and 3. Exlpain...
10. Water flows through 5 meter lonq section of concrete pipe with a diameter of 10.5 cm at a velocity of 6.4 m/s. The friction factor, based on the Reynolds number and surface roughness is 0.035. The density of water is 1000 kg/mA3. What is the pressure drop along the 5 meter long section of pipe? Round your answer to the nearest tenth of a kPa-
3. (a) For the flow of a real fluid (p, u) in a rough (e measures losses lead to a pressure gradient along the pipe - Ap/L. Determine an expression for the pressure roughness) horizontal pipe energy Ap ( L pV2 gradient for a pipe of diameter - d, flowing with a mean velocity - V. pVd'd d (b) If for a 75mm diameter pipe flowing with water at 0.25m/s the measured pressure drop is 120Pa/m What will be the...