Water at 20℃ that stored in a container is deliver to the lake through a pipe....
Water at 20℃ that stored in a container is deliver to the lake through a pipe. The discharge is 20m^3 /h. What is the maximum roughness height ε for the pipe? L=5m D=3cm
tank height above pipe =4m, below pipe=2m
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Water at 20℃ that stored in a container is deliver to the lake
through a pipe....
QUUESTION1 Water flows through a pipe as shown in Figure 1. The losses in the pipe can be express...
QUUESTION1 Water flows through a pipe as shown in Figure 1. The losses in the pipe can be expressed as 0.025 V2 per meter length of pipe, where V is the velocity in the pipe. The length AB is 6 m and BC is 11 m, determine the discharge and the pressure at B 2m 3m 5m 20mm diameter Figure 1: Schematic of water flowing from a tank through the pipe.
QUUESTION1 Water flows through a pipe as shown in...
8. (15 points) Water flows through a 3-in diameter pipe with a velocity of 25 ft/s...
8. (15 points) Water flows through a 3-in diameter pipe with a velocity of 25 ft/s as shown in the figure below. The relative roughness of the pipe is 0.0004 ft, and the loss coefficient for the exit is 1.0. Values for the liquid height in the tank (z) and the pipe length between the standpipe and tank (L) are 6 ft and 10 ft, respectively. Determine the height, h (ft), to which the water rises in the standpipe. P...
8. (15 points) Water flows through a 2-in diameter pipe with a velocity of 15 ft/s...
8. (15 points) Water flows through a 2-in diameter pipe with a velocity of 15 ft/s as shown in the figure below. The relative roughness of the pipe is 0.0004 ft, and the loss coefficient for the exit is 1.0. Values for the liquid height in the tank (2) and the pipe length between the standpipe and tank (L) are 8 ft and 8 ft, respectively. Determine the height, h (ft), to which the water rises in the standpipe. P...
3. Water is being discharged from the bottom of container through the pipe at the bottom...
3. Water is being discharged from the bottom of container through the pipe at the bottom with diameter of 0.05 m. Determine the height of the water in the container at the instant when volumetric flow rate at discharge is 0.01 m3/s.
Engineering Fluid Mechanics PO 17: Water flows through a section of a pipe of length L...
Engineering Fluid Mechanics
PO 17: Water flows through a section of a pipe of length L and diameter D as indicated in the figure. The pipe has a roughness of k, = 0.3mm. The discharge is Q = 1m/s. The kinematic viscosity of water is V = 10 m/s. (a) What is the friction factor ? (Moody diagram on next page). (b) What is the head loss over the pipe section of length L? (c) What horizontal force is required...
1. For water at 20 C flowing through a straight smooth pipe at 0.06 m/h, the...
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...
Problem 2: The outfall from a large settling tank of diameter D of a sewage treatment plant disch...
Problem 2: The outfall from a large settling tank of diameter D of a sewage treatment plant discharges water with density pe to a lake with density Pu- The surface of the pond is h above sea level and the discharge of the outfall pipe is H below sea level. The outfall pipe is length L and diameter d. Assume the flow rate of the treated water is small compared to the volume of the lake so the lake density...
Friction losses in expansion, contraction, and pipe fittings Example An elevated storage tank contains water at...
Friction losses in expansion, contraction, and pipe fittings Example An elevated storage tank contains water at 15°C as shown in Figure. It is desired to have a discharge rate at point 2 of 28.8 m3/h. What must be the height H of the surface of the water in the tank relative to the discharge point? The pipe is commercial steel pipe (roughness of pipe surface e = 0.045 mm). Water density and viscosity at 15°C is 999 kg/m2 and 1.1.10-3...
ater to be pumped from a lake to a storage tank in a ranch. Water temperature...
ater to be pumped from a lake to a storage tank in a ranch. Water temperature is 60 F.The clevation of the pipe exit that will feed the tank is 50 ft higher than the lake water surface. It is required that a 4-hour pumping time will feed the storage tank by 1,200 gallons of water. While operating at the required flow rate, the pump will generate a head of 60 n. Coeflicients of minor loss due to filtering, fittings,...
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 - A...
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...
QUUESTION1 Water flows through a pipe as shown in Figure 1. The losses in the pipe can be expressed as 0.025 V2 per meter length of pipe, where V is the velocity in the pipe. The length AB is 6 m and BC is 11 m, determine the discharge and the pressure at B 2m 3m 5m 20mm diameter Figure 1: Schematic of water flowing from a tank through the pipe.
QUUESTION1 Water flows through a pipe as shown in...
8. (15 points) Water flows through a 3-in diameter pipe with a velocity of 25 ft/s as shown in the figure below. The relative roughness of the pipe is 0.0004 ft, and the loss coefficient for the exit is 1.0. Values for the liquid height in the tank (z) and the pipe length between the standpipe and tank (L) are 6 ft and 10 ft, respectively. Determine the height, h (ft), to which the water rises in the standpipe. P...
8. (15 points) Water flows through a 2-in diameter pipe with a velocity of 15 ft/s as shown in the figure below. The relative roughness of the pipe is 0.0004 ft, and the loss coefficient for the exit is 1.0. Values for the liquid height in the tank (2) and the pipe length between the standpipe and tank (L) are 8 ft and 8 ft, respectively. Determine the height, h (ft), to which the water rises in the standpipe. P...
Engineering Fluid Mechanics
PO 17: Water flows through a section of a pipe of length L and diameter D as indicated in the figure. The pipe has a roughness of k, = 0.3mm. The discharge is Q = 1m/s. The kinematic viscosity of water is V = 10 m/s. (a) What is the friction factor ? (Moody diagram on next page). (b) What is the head loss over the pipe section of length L? (c) What horizontal force is required...
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...
Problem 2: The outfall from a large settling tank of diameter D of a sewage treatment plant discharges water with density pe to a lake with density Pu- The surface of the pond is h above sea level and the discharge of the outfall pipe is H below sea level. The outfall pipe is length L and diameter d. Assume the flow rate of the treated water is small compared to the volume of the lake so the lake density...
Friction losses in expansion, contraction, and pipe fittings Example An elevated storage tank contains water at 15°C as shown in Figure. It is desired to have a discharge rate at point 2 of 28.8 m3/h. What must be the height H of the surface of the water in the tank relative to the discharge point? The pipe is commercial steel pipe (roughness of pipe surface e = 0.045 mm). Water density and viscosity at 15°C is 999 kg/m2 and 1.1.10-3...
ater to be pumped from a lake to a storage tank in a ranch. Water temperature is 60 F.The clevation of the pipe exit that will feed the tank is 50 ft higher than the lake water surface. It is required that a 4-hour pumping time will feed the storage tank by 1,200 gallons of water. While operating at the required flow rate, the pump will generate a head of 60 n. Coeflicients of minor loss due to filtering, fittings,...
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...
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