If fluid flowing at a rate of 3 cubic ft/sec through a 6-inchdiameter piperesults in a...
If fluid flowing at a rate of 3 cubic ft/sec through a 6-inchdiameter piperesults in a pressure drop of 9 psi, what would be the pressure drop and flow rate in a 24 in diameter pipe if complete similarity is maintained?Hint: To maintain complete similarity ReynoldsNumber (ρvD/μ) and the Pressure Coefficient (P/ρv2) must be equal for both case.
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If fluid flowing at a rate of 3 cubic ft/sec through a
6-inchdiameter piperesults in a...
If fluid flowing at a rate of 3 cubic ft/sec through a 6-inchdiameter piperesults in a...
If fluid flowing at a rate of 3 cubic ft/sec through a 6-inchdiameter piperesults in a pressure drop of 9 psi, what would be the pressure drop and flow rate in a 24 in diameter pipe if complete similarity is maintained?Hint: To maintain complete similarity ReynoldsNumber (ρvD/μ) and the Pressure Coefficient (P/ρv2) must be equal for both case
Oil (s = 0.85) is flowing through a pipe from left to right with a mercury...
Oil (s = 0.85) is flowing through a pipe from left to right with a mercury (s = 13.6) manometer attached. The diameter of the pipe at the manometer inlet is 1.0 ft and the diameter of the pipe at the manometer outlet is 0.5 ft. The manometer reads 6 inches. What is the pressure drop across the manometer in psi?
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...
(b) A Newtonian liquid of viscosity 0.1 N s m2 is flowing through a pipe of...
(b) A Newtonian liquid of viscosity 0.1 N s m2 is flowing through a pipe of 25 mm diameter and 20 m in length, and the pressure drop is 105 Nm2. As a result of a process change a small quantity of polymer is added to the liquid and this causes the liquid to exhibit non-Newtonian characteristics; its rheology is described adequately by the power-law model and the flow index is 0.33. The apparent viscosity of the modified fluid is...
12. A fluid is flowing through a pipe with a radius of 5.1 x 10-3 m....
12. A fluid is flowing through a pipe with a radius of 5.1 x 10-3 m. The viscosity of the fluid is 1.0 x 10-3 Pa-s. A flow rate of 2.8 x 10-4 m3/s is required, and it is found that a pressure difference of 1.8 × 103 Pa is needed to drive this flow. With this information, calculate the length of the pipe. Hint: assume the flow is viscous flow (a) 1.7 m (b) 5.9 m (c) 3.2 cm...
An incompressible fluid is flowing through a vertical pipe with a constriction. The wide section is...
An incompressible fluid is flowing through a vertical pipe with a constriction. The wide section is 2.00 cm in diameter and is at the top of the pipe. The pressure of the fluid in the wide section at the top is 200 kPa. The velocity of the fluid in the wide section is 4.00 m/s. The narrow section is located 2.00 m below the wide section. What is the diameter of the narrow section, if the pressure of the fluid...
a flow rate = 20ft3/sec flows through a 30-in-diameter concrete pipe 6. (FE Practice problem) A...
a flow rate = 20ft3/sec flows through a 30-in-diameter
concrete pipe
6. (FE Practice problem) A flow rate 20 ft3/sec flows through a 30-in.-diameter concrete pipe (Manning's n constant with depth-0.013). The following data is given: Pipe length 800 ft Pipe invert elevation at upstream end of pipe 275.64 ft Pipe invert elevation at downstream end of pipe 270.96 ft The depth of flow (in.) in the pipe is most nearly: Upstream Invert elevation 275.64 t nvert elevation 270.96 A....
Consider water flowing to three faucets in a building through the very simple plumbing network shown...
Consider water flowing to three faucets in a building through the very simple plumbing network shown below. Every section of pipe in the figure is 25 ft long. Ali of the piping is nominal half-inch type L copper piping. The inlet pressure to the main pipe is constant at 50 psi and the pressure of the water leaving each faucet is 0 psi. The water has a temperature of 140°F. For the purposes of this analysis assume that there are...
e) Write down: i) the equation for mass conservation for an incompressible fluid flowing through a...
e) Write down: i) the equation for mass conservation for an incompressible fluid flowing through a tube of varying diameter, and ii) Bernoulli's equation. iii) Water is supplied to a house through an inlet pipe having an internal diameter of 40 mm. A pipe of internal diameter 20 mm delivers water to an upper level, 5.5 m above the inlet pipe at a rate of 4 L/min. and a pressure of 2 atm. Calculate the pressure of the water at...
L 2. Steady statemass balance: Water is flowing at steady state in a 0.1 meter-diameter pipe...
L 2. Steady statemass balance: Water is flowing at steady state in a 0.1 meter-diameter pipe with a maximum velocity (turbulent profile) of 0.3 meters/sec. The pipe then goes through an expansion, to where it is then flowing in a 0.5 meter-diameter pipe, and the flow regime has changed from turbulent to laminar. In the second section of pipe, calculate the velocity as (a) block flow profile (Vavg), and (b) maximum velocity in laminar flow profile? HINT: you will need...
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...
(b) A Newtonian liquid of viscosity 0.1 N s m2 is flowing through a pipe of 25 mm diameter and 20 m in length, and the pressure drop is 105 Nm2. As a result of a process change a small quantity of polymer is added to the liquid and this causes the liquid to exhibit non-Newtonian characteristics; its rheology is described adequately by the power-law model and the flow index is 0.33. The apparent viscosity of the modified fluid is...
12. A fluid is flowing through a pipe with a radius of 5.1 x 10-3 m. The viscosity of the fluid is 1.0 x 10-3 Pa-s. A flow rate of 2.8 x 10-4 m3/s is required, and it is found that a pressure difference of 1.8 × 103 Pa is needed to drive this flow. With this information, calculate the length of the pipe. Hint: assume the flow is viscous flow (a) 1.7 m (b) 5.9 m (c) 3.2 cm...
a flow rate = 20ft3/sec flows through a 30-in-diameter
concrete pipe
6. (FE Practice problem) A flow rate 20 ft3/sec flows through a 30-in.-diameter concrete pipe (Manning's n constant with depth-0.013). The following data is given: Pipe length 800 ft Pipe invert elevation at upstream end of pipe 275.64 ft Pipe invert elevation at downstream end of pipe 270.96 ft The depth of flow (in.) in the pipe is most nearly: Upstream Invert elevation 275.64 t nvert elevation 270.96 A....
Consider water flowing to three faucets in a building through the very simple plumbing network shown below. Every section of pipe in the figure is 25 ft long. Ali of the piping is nominal half-inch type L copper piping. The inlet pressure to the main pipe is constant at 50 psi and the pressure of the water leaving each faucet is 0 psi. The water has a temperature of 140°F. For the purposes of this analysis assume that there are...
e) Write down: i) the equation for mass conservation for an incompressible fluid flowing through a tube of varying diameter, and ii) Bernoulli's equation. iii) Water is supplied to a house through an inlet pipe having an internal diameter of 40 mm. A pipe of internal diameter 20 mm delivers water to an upper level, 5.5 m above the inlet pipe at a rate of 4 L/min. and a pressure of 2 atm. Calculate the pressure of the water at...
L 2. Steady statemass balance: Water is flowing at steady state in a 0.1 meter-diameter pipe with a maximum velocity (turbulent profile) of 0.3 meters/sec. The pipe then goes through an expansion, to where it is then flowing in a 0.5 meter-diameter pipe, and the flow regime has changed from turbulent to laminar. In the second section of pipe, calculate the velocity as (a) block flow profile (Vavg), and (b) maximum velocity in laminar flow profile? HINT: you will need...
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