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Last updated: February 3, 2019

In this experiment, the aim is to find the losses of water flow in a pipe system. There are two types of losses.

First the major losses which is caused by the the frictional effect of pipe. Second one is the minor losses which is caused by the turning points(corners) of pipes. Apparatus: • • • • • • 90° mitter bend 90° elbow bend 90° large radius bend Sudden enlargement in pipe diameter Sudden contraction in pipe diameter A pump to supply water Theoritical Considerations: To determine the minor losses in a water flow , some loss coefficients are used.These coefficients are detemined by experiments. Km is the coefficient that we have used. ? = ? ? hm gives the minor loss head in meters. PROCEDURE: When the system is at stagnant position pump is run.

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Then the heights of manometers are measured. After that to determine the discharge, the time is measured while a 10 lt of container is filling. Taking reading rapidly is important, otherwise the levels of manometer may change in time. The measurement point of manometer is represented in Figure 2. 1 RESULTS: Minor loss comparison between theoretical and application values In the experiment minor loss between 5 and 6 is 6mm.Third measurement 3 4 5 6 7 8 9 10 reading points P. S. The system is divided to segments to draw the grade lines easier.

Loss at the straight and smooth pipes are neglected TH1 h1 h2 h3 h4 h5 h6 h7 h8 h9 h10 447. 211418 396. 211418 381.

211418 357. 211418 356. 211418 350. 746189 350. 746189 337. 211418 336.

211418 324. 211418 TH2 488. 986747 413. 986747 393. 986747 360. 986747 359.

986747 349. 677490 347. 677490 333. 986747 333. 986747 316. 986747 TH3 493. 654714 408. 654714 385.

654714 345. 654714 344. 654714 335. 234355 335. 234355 315. 654714 315.

654714 296. 654714 5

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