Answered: Determine the velocity and pressure at…

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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The diameters of a pipe at the sections 1 and 2 are 0.1 m and 0.15 m respectively Find the discharge through the pipe if the velocity of water flowing through the pipe at section 1 is 5 m/s.
Freshwater at a temperature of 10°C flows at a rate of 0.10 m3/sec through the piping system sketched below, which shows the view from above. The system consists of 30 meters of 150 mm galvanized iron pipe, 4 regular 90-degree threaded elbows, and a swing check valve which may be assumed to be in the forward flow position. The elevation of Station A is 2 meters higher than Station B, zA − zB = 2 m. Calculate the following: 1. The normalized surface roughness of the pipe, ɛ / D. 2. The Reynolds number of the flow, ReD. 3. The head loss due to pipe skin friction.
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Air flows steadily through the variable area pipe shown with negligible viscous effects. Determine the flow rate in terms of h, D, d as shown in the diagram. Calculate the air flow rate in m^3/s if h = 0.1m, D = 0.3 m, and d = 0.15 m.
A high-pressure washing system's pump supplies 1 gallon of water persecond at 100 psi pressure. The nozzle should be designed so that the static pressureof the water as it exits the nozzle is the same as the atmospheric pressure. If theinside diameter of the hose leading from the pump to the nozzle is 2 in., whatshould the diameter of the nozzle exit be? What will be the velocity of the waterat the exit of the nozzle?
The diameter of a pipe changes gradually from 150mm at a point A, which is 6m above datum, to 75mm in diameter at point B, which is 3m above datum. The pressure at A is 103kPa and the velocity of flow is 3.6 m/s. The fluid flowing in the pipe is water. Neglecting losses, determine the pressure at B.
Water flows into the pipe connection shown at '6' and '2' and leaves the system at '1'. It is not open to the atmosphere at any connection. The gauge pressure at both inlets is 12 psig and the velocity at both inlets is 9.5 ft/sec. Determine the horizontal force (lbf) needed to hold the fittings in place. 2 7.5" 1 2.5" 3 4 5 6 1.0"

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Determine the velocity and pressure at sections 2 and 3 if water flows steadily through the pipe system shown in Figure.