What is the horsepower required by the pump? A Keystone Pipeline has a diameter of 36 inches and a design flow rate of 590,000 barrels per day of crude oil at 40°C. Estimate thepump horsepower required if the length of the pipe is 1.5 mile(s). The pipe material is new steel. For crude oil at 40°C, take μ= 0.0053kg/m-s÷ 47.88 = 0.0000111 slug/ft-s. The density, with SG = 0.86, is 0.86(1.94) = 1.67 slug/ft³. Take f≈ 0.0155.

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Answered: A Keystone Pipeline has a diameter of…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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A Keystone Pipeline has a diameter of 36 inches and a design flow rate of 590,000 barrels per day of crude oil at 40ºC. Estimate the pump horsepower required if the length of the pipe is 2.9 mile(s). The pipe material is new steel. For crude oil at 40ºC, take μ ≈ 0.0053 kg/m-s ÷ 47.88 = 0.0000111 slug/ft-s. The density, with SG = 0.86, is 0.86(1.94) = 1.67 slug/ft3. Take f ≈ 0.0155. Answer is in hp. Last answer was wrong! please help!
(2) It is desired to deliver 60 m'/hr of water at 20°C through horizontal asphalted cast iron pipe. Estimate the pipe diameter d that will cause the pressure drop to be exactly 40 kPa per 100 m of pipe length. Take water density p Solve this problem iteratively using either Moody chart or the Colebrook equation. 998 kg/m and dynamic viscosity µ = 0.001 kg/(m.s).
The ethanol solution is pumped into a vessel 25 m above the reference point through a 25 mm diameter steel pipe at a rate of 8 m3/hour. The length of the pipe is 35m and there are 2 elbows. Calculate the pump power requirement. The properties of the solution are density 975 kg/m3 and viscosity 4x 10-4 Pa s. a. Reynolds number = b. Energy Loss along a straight pipe = J/kg. c. Energy Loss in turns = J/kg. d. Total energy to overcome friction = J/kg. e. Energy to raise water to height = J/kg. f. Theoretical energy requirement of the pump kg ethanol/second = J/kg. g. Actual pump power requirement = watt.
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Required information Assume that ri = 0.149 m, ro = 0.15 m, µ = 1.49 kg/m-s (glycerin), p = 1260 kg/m3, and Oj = 120 rev/min = 12.57 rad/s with the inner cylinder rotating and outer cylinder fixed. Calculate the inner shear stress for the given flow. The inner shear stress is Pa.
What is the volume flow rate for water (viscosity= .0010 Pa×s) through a length of pipe L= 0.60m and pipe radius r= 1.03cm if the pressure difference across this length of pipe is 5.2 kPa? Note that 1 kPa= 1000 Pa. What would the volume flow rate be if the same pipe had a radius that is reduced by 21% (i.e. the radius is 79% of its previous value)? Let's call this flow rate Q1. What is the ratio of Q1 to the original flow rate Q? Express this as a decimal number.
6 m^3/min of 15.6°C SAE 30 is to be pumped from a tank through 40 meters of horizontal pipe; the oil will exit the pipe to the atmosphere. The pump’s push on the oil can create a gage pressure of 38.7 kPa at the horizontal pipe inlet. What minimum pipe diameter should be selected?
liquid (density 800kg/m3, viscosity 10−3 kg/ms) has to be supplied at a mean speed of 2m/s through a pipe of diameter 12.5mm with a surface roughness equivalent to that for structural steel. What is the magnitude of the pressure gradient necessary to achieve this flow? Your answer should have a positive sign and be to the nearest 10 Pa/m. You may wish to use the Moody diagram.
The ethanol solution is pumped into a vessel 25 m above the reference point through a 25 mm diameter steel pipe at a rate of 10 m3 / hr. The pipe length is 35m and there are 2 elbows. Calculate the power requirements of the pump. The properties of the solution are density 975 kg / m3 and viscosity 4x 10-4 Pa s. a. Reynold number = Answer b. Loss of Energy along the straight pipe = Answer J / kg. c. Losing Energy at curves = Answer J / kg. d. Total energy to overcome friction = Answer J / kg. e. Energy to increase water according to height = Answer J / kg. f. The theoretical energy requirement of the pump ethanol / second = Answer J / kg. g. Actual pump power requirement = Answer watt.
A pump delivers water from a tank (A)X water surface elevation-110m) to tank B (water surface elevation= 170m). The suction pipe is 45m long and 35cm in diameter the delivered pipe is 950m long 25cm in diameter. Loss head due to friction hf1 = 5m and h2 3m If the piping are from pipe(1)= steel sheet metal pipe(2)= stainless – steel Calculate the following i) ii) The discharge in the pipeline The power delivered by the pump.
Example: In a 45° bend a rectangular air duct of 1 m? cross-sectional area is gradually reduced to 0.5 m² area. Find the magnitude and direction of force required to hold the duct in position if the velocity of flow at 1 m? section is 10 m/s, and pressure is 30 kN/m². Take the specific weight of air as 0.0116 kN/m³. Solution: Fay 45° Fzx PA, cos 45° 45° Vzcos 45° 2. 45°
A pump delivers 1 hp to a water at 68°F flowing in a 10-in-diameter horizontal, cast iron pipe at V = 6.6 ft/s. Estimate the proper pipe length (in feet) that will match these conditions. For water at 68°F: ρ = 1.94 slug/(ft^3), and μ = 2.09E-5 slug/(ft-s). Assume also that the head added by pump matches the head loss. Round your answer to 2 decimal places.

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