from The water in a large tank exits through a horizontal circular pipe of diameter D=0.01m and length L-94m. The centre of the exit of the pipe is h=1.0m below the water surface. We can assume that the flow entrance to the pipe is smooth so that there are no minor losses. The flow in the pipe is laminar, the friction factor can be assumed constant and 10=64/Rep where the Reynolds number is based on the pipe diameter and mean flow speed in the piper Taking frictional losses into account, solve the resulting quadratic equation to calculate Use: kinematic viscosity given by v0.00000114 m² density of water given by 1000 kg/m3 acceleration due to gravity of 9.81 m/s2 speed of the flow out of the pipe. Give your answer in m/s to 2 decimal places.

from The water in a large tank exits through a horizontal circular pipe of diameter D=0.01m and length L-94m. The centre of the exit of the pipe is h=1.0m below the water surface. We can assume that the flow entrance to the pipe is smooth so that there are no minor losses. The flow in the pipe is laminar, the friction factor can be assumed constant and 10=64/Rep where the Reynolds number is based on the pipe diameter and mean flow speed in the piper Taking frictional losses into account, solve the resulting quadratic equation to calculate Use: kinematic viscosity given by v0.00000114 m² density of water given by 1000 kg/m3 acceleration due to gravity of 9.81 m/s2 speed of the flow out of the pipe. Give your answer in m/s to 2 decimal places.

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

See similar textbooks

Similar questions

Flowrate of water through bend pipe (90o) is 0.21 m3/s. The pipe diameter at the inlet is 150 mm andthe outlet diameter is 75 mm. The outlet is higher than the inlet by 2 m. Frictional losses in the pipe isequal a loss factor of 0.5 applied to the inlet velocity head. The pressure head at the inlet is 8.6 m andthe volume of water in the bend is 0.6 m3. Calculate the resultant force and its direction.
A pipeline transporting engine oil of 3.5 m3/s at 40⁰C branches out into two parallel pipes made of commercial steel but reconnects downstream. Pipe A is 750 m long and has a diameter of 50 cm while Pipe B is 1200 m long with a diameter of 50 cm. Neglecting minor losses, determine the following:a) Flow rates (in m3/s) through pipe A and pipe B.(Hint: Assume similar flow frictional factor for initial calculations and determine the correct frictional factor using Colebrook equation).b) Actual head losses (in m) in pipe A and pipe B
Two new cast-iron pipes (ε = 0.26 mm) in series connect two reservoirs. Both pipesare 300 m long and have diameters of 0.6 m and 0.4 m, respectively. There is a valvein the 0.6 m diameter line with K = 10. The elevation of water surface in reservoir A is80 m. The discharge of 10°C water from reservoir A to reservoir B is 0.5 m3/s. Find theelevation of the surface of reservoir B. Assume a sudden contraction at the junctionand the entrance and exit is sharp.
A pipe line of length 2000 m is used for power transmission. If 110 kW power is to be transmitted through the pipe in which water having a pressure of 490.5 N/cm2at inlet is flowing. If the pressure drop over the length of pipe is 98.1 N/cm2and ff = 0.0065.Determine:The diameter of the pipe and the volume flow rate; and If a nozzle is introduced at the end of the pipe, what would be its diameter and the power transmitted.
A pump is installed with a suction pipe of 200mm and a delivery pipe of 150mm (λ=0.02) in diameter to pump 0.08m3/s. The delivery pipe is 280m long. The elevation difference between the supply reservoir and the receiving reservoir is 20m. The cavitation parameter σ is 0.12 and the installation suffers a loss of 1.4m loss in the suction side. Determine the allowable height between the pump intake and the water surface elevation in the supply tank. The atmospheric pressure is 101.35kPa and the vapor pressure is 1.79kPa.
A hydroelectric power generating system is shown in the figure. Water flows from an upper reservoir to a lower one passing through a turbine at the rate of 286 liters per second. The total length of pipe connecting the two reservoirs is 186 m. The pipe diameter is 346 mm and the Hazen-Williams coefficient is 129. The water surface elevations of reservoirs 1 and 2 are 194 m and 69 m, respectively. Determine the power in kW required by the turbine if it is 63% efficient? Neglect minor losses. Round your answer to 3 decimal places.
A pipe of 0.25 m diameter carries water at the rate of 7.2 m3/s.The pressure head at the entry of the venturimeter, used to measure the flow rate in the pipe, is equivalent to 6 m of water. If the pressure head at the throat is zero, calculate the throat diameter of the venturi.Include fbd.
As a test to determine the effective wall roughness of an existing pipe installation, water at 10°C is pumped through it at the rate of 300 L/min. The pipe is standard steel tubing, 40 mm OD x 3.0 mm wall. Pressure gages located at 25 m apart in a horizontal nm of the pipe read 1235 kPa and 849 kPa. Determine the effective pipe wall roughness.
Question 2A large vat contains water, which contains a drainage pipe at a height h1, as shown infigure 2. The drainage pipe has a length L. = 0.4 m, and a radius R = 15 mm, and releaseswater to the atmosphere at a flow rate Q. The connection between the pipe and the vatwall has a loss coefficient of KL = 0.8.Point A is in the middle of the tank at a height, hi.You can assume that the flow in the drainage pipe is fully developed and laminar. The density of water is p = 1000 kg/m° and the viscosity is u = 1 mPa.s. The acceleration due to gravity is 9.81 m/s? a) Find an expression for the pressure at point A.b) Find an expression in terms of Q, L, d, K, p and u for the pressure losses along the pipe (including the losses at the inlet and exit).c) If the flowrate out of the drainage tank is Q = 50 L/min, find ho. You may assumeany change of ho with time is negligible.
plzzzz help me with this one plzzz Water (viscosity of 0.001 kg/m.s and density of 1000 kg/m3 ) is to be pumped through 50 m of pipe from lower reservoir to a higher reservoir at a rate of 0.2 m3/s. If the pipe is cast iron of diameter 12 cm and the pump efficient is =0.44%, the major head loss inside the pipe is ¼ of the velocity head what horsepower pump is needed? Hint: consider the abrupt expansion only as a minor loss.
A 230-m-long pipeline delivers 20◦C water to a storage reservoir located downstream. The pipeline is galva-nized with an average roughness height of 0.2 mm. An axial pump is used to pressurize upstream water. Thewater surface in the reservoir is located 18 m above the centerline of the pump. The pump discharges waterat an absolute pressure of 400 kPa and a volume flow rate of 50 L/s. Calculate a diameter of pipe requiredto achieve such an operating condition. If needed, use the Moody diagram on the last page, or one can solvethe Colebrook equation using, for example, Matlab.
A pipe 100mm bore carries oil of density 900 kg/m3 at a rate of 4 kg/s. thepipe reduces to 60mm bore and rises 120m. the pressure at this point isatmospheric (zero gauge) assume no frictional losses.Determine:The volume per secondThe velocity at each sectionThe pressure at the lower end The above pipe is exchanged for a parallel pipe with a cross sectional area of 0.3m2 and is 20 m long, with a surface roughness coefficient of 0.005. The dynamicviscosity of the water is 1.002 x 10-3 Ns/m. Find the Reynold’s number of the flowand use Haarland’s formula to find the friction coefficient and Darcy’s formula todetermine the frictional pressure loss. Then determine the pressure at the outlet ofthe pipe.What does the magnitude of the Reynolds number mean to fluid flow