Oil flows at 62 L/s in a pipe of 175mm diameter and 50m length. SG of oil is 0.9 and viscosityis 0.04 Pa-sec. If head loss is 5.22m, determine:a) Mean velocity of flow =[ Select ]m/sb) Type of flow =[ Select ]%3Dc) Friction factor =[ Select ]d) Velocity at the centerline of pipe =[ Select ]v m/se) The shear stress at the wall of the pipe[ Select ]Ра%3D

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Answered: Oil flows at 62 L/s in a pipe of 175mm…

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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The diameter of a pipe changes gradually from 6 inches at A to 18 inches at B. A is 15 ft lower than B. If the pressure at A is 10 lbs per square inch and at B, 7 lbs per square inch when there are 5.0 cubic ft per second flowing, determine: a. the direction of flow. b. the frictional loss between the two points B. If in Problem 1 the direction of flow is reversed, determine the pressure at A if all other factors, including the frictional loss, remain the same. C. In Problem 1, determine the diameter of pipe at B in order that the pressure at that point will also be 10 lbs per square inch, all other factors remaining constant. D. Determine the discharge in Problem 1, assuming no frictional loss, all other conditions remaining as stated. E. What would be the difference in pressure in pounds per square inch between A and B, Problem 1, if there were 6.2 cubic ft per second flowing, neglecting friction.
Water is flowing with velocity 2.62 m/s is a straight 150 mm diameter concrete lining centrifugally spun pipe. The pipe length in consideration is 355 m. Determine the flow rate, the friction factor and the head loss.
A 150m long, 15cm diameter cast iron pipe discharging at elevation 6m higher than the oil surface in the tank. If the oil has kinematic viscosity of 2.1(10)-6 m2/s and specific gravity of 0.84, what is the pressure on the oil surface in order to cause a flow rate of 13lps in the pipe? Use relative roughness Ɛ=0.26mm.
Topic: hydraulics A pipe carrying oil of specific gravity 0.877 changes in size from 150mm at section 1 and 450mm at section 2. Section 1 3.6m below section 2 and the pressures are 90kPa and 60kPa respectively If the discharge is 150 ht sec determine the head lost and the direction of the flow.
(b) A horizontal pipe is diverted upwards with an angle of 25 degrees. Water enters with a velocity of 4.5 ms-1 and exits upwards. The pipe entrance has a diameter of 200 mm and increases two times at the outlet. The inlet gauge pressure reads 80 kPa. If the difference vertical distance between inlet and outlet is 0.4 m, calculate the magnitude and direction of the resultant force on the pipe bend. Neglect energy losses and take the volume of water to be 0.18 m3
the system consists of 1000m of 50mm cast iron pipe, two 45° and 4 90° flanged long radius elbows, a fully open flanged globe valve, and a sharp exit into a reservoir. Water flows at rate of 4.5 L/s from pt. 1 to the reservoir whose free surface lies 100m above pt.1. Kinematic viscosity is 1.02x10^-6 sqm/s and f=0.035. compute for: a.) reynolds number b.) total head lossv(m) c.) gage pressure at 1 to deliver water into the reservoir (kPa)
A 30m long, 20mm diameter steel pipe is used to drain an oil tank determine the discharge when the oil level in the tank is 4m above the exit of the pipe. Neglect minor losses, (assume f = 0.12)
A horizontal pipe of 150 mm diameter for the initial 30 m and 75 mm dimeter for the remaining 10 m is connected to a water tank. The height of waler in tank is 15 m above the centre line of the pipe. Find out the flow rate through the pipe, taking all losses into the account. Consider the reduction in diameter of the pipe as sudden coefficient of friction for the pipe is 0.008.
Oil flows at 62 L/s in a pipe of 175mm diameter and 50m length. SG of oil is 0.9 and viscosity is 0.04 Pa-sec. If head loss is 5.22m, determine:
A circular orifice of 50 mmdiameter is fixed to the end of a water pipe of 75mm diameter. The gauge pressure in the pipe is70 kPa. The flow out of theorifice was measured as0.017 m^3/second. Theactual jet velocity wasmeasured by pitot tubewith a value of 12 m/s.a. Determine Cv, Cc and Cd.b. Calculate the head loss.
A compound pipe consists of three pipes connected in series. The first pipe has a length of 115.3m, the diameter of 280mm, and Darcy-Weisbach friction factor f=0.0233. The second pipe has a length of 234.15m, the diameter of 230mm, and Manning's Roughness Coefficient n=0.0133. The third pipe has a length of 147.95m, the diameter of 250mm and a Hazen William coefficient C=110. If the pipe system carries a flow rate of 740 L/s: Determine the headloss in the first pipe in meters. Determine the headloss in the second pipe in meters. Determine the headloss in the third pipe in meters.
Assume that the head loss in the pipe is given by hL = 0.014(L/D)(V2/2g), where L is the length of pipe and D is the pipe diameter. Assume α = 1.0 at all locations. a. Determine the discharge of water through this system.b. Draw the HGL and the EGL for the system.c. Locate the point of maximum pressure.d. Locate the point of minimum pressure.e. Calculate the maximum and minimum pressures in the system.

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