Engineering
Engineering, 11.07.2019 04:30, shewag8749

Apipeline with a 45o reducing bend reducing the diameter from 500 mm to 300 mm. the flow rate in the pipe is 0.5 m/s and the pressure at inlet of the bend is 10 n/cm2 . assume that the elevation difference between the inlet and outlet of the bend is small, determine the force exerted by water on the bend. water density is 1000 kg/m3.

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Physics, 02.10.2019 04:10, cofran
Water is flowing through a 45° reducing pipe bend at a rate of 200 gpm and exits into the atmosphere (p2 = 0 psig). the inlet to the bend is 1 ½ in. inside diameter, and the exit is 1 in. inside diameter. ignoring losses, calculate the force (magnitude and direction) exerted by the fluid on the bend relative to the direction of the entering stream. express your answer in units of newtons. hint. use bernoulli’s equation between the inlet and outlet to determine the upstream pressure p1.
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Physics, 18.10.2019 05:00, kate3887
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Physics, 06.11.2019 00:31, Candycat
Water flowing in a horizontal 25-cm-diameter pipe at 10 m/s and 350 kpa gage enters a 90° bend reducing section, which connects to a 17-cm-diameter vertical pipe. the inlet of the bend is 50 cm above the exit. neglecting any frictional and gravitational effects, determine the net resultant force exerted on the reducer by the water. take the momentum-flux correction factor to be 1.04.
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Engineering, 13.11.2019 00:31, 21gl13826
Water flows in a horizontal constant-area pipe; the pipe diameter is 75 mm and the average flow speed is 5 m/s. at the pipe inlet, the gage pressure is 275 kpa, and the outlet is at atmospheric pressure. i)determine the head loss in the pipe. ii) if the pipe is now aligned so that the outlet is 15 m above the inlet, what will the inlet pressure need to be to maintain the same flow rate? iii)if the pipe is now aligned so that the outlet is 15 m below the inlet, what will be the inlet pressure need to be to maintain the same flow rate? iv) how much lower than the inlet must the outlet be so that the same flow rate is maintained if both ends of the pipe are at atmospheric pressure (i.e., gravity feed)?
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