Experiment #4

Experiment #4 - .ME 323 Lab Report Experiment#4 Minor...

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.ME – 323 – Lab Report Experiment #4 Minor Friction Losses in Pipe Lengths October 19 th , 2007 Submitted by: John Luff Submitted to: Dr. Perwez Kalim Division of Engineering and Physics Wilkes University, Wilkes-Barre, Pa.
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Abstract A team consisting of five members conducted an experiment on minor friction loss in pipe fittings using a friction loss apparatus. The apparatus consisted of light and dark blue circuits and a series of manometers used to gather piezometric readings. Through the course of this experiment the team found that the flow within the circuit is turbulent and that head loss within the fittings is fairly substantial. It should be noted however that it was found that the percent error between experimental and theoretical head loss was quite significant.
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Experimental Data & Procedure Table 1 Flow Number Hanging Mass Time to collect ‘m’ kg Equivalent to ‘3m’ kg of water flow Calculate Mass flow Rate Re U-tube mm Globe Valve 5-6 100mm radius bend 7-8 Expansion 9-10 Contraction 11-12 50mm radius bend 1.) 6kg t 1 = 49.90s t 2 = 49.85s t 3 = 49.20s t 4 = 49.99s t 5 = 49.59s t avg = 49.626s 0.36271m/s 42524.98 3.6765 0.0331 0.0048 0.0048 0.0324 2.) 6kg t 1 = 48.98s t 2 = 47.30s t 3 = 45.90s t 4 = 50.00s t 5 = 49.20s t avg = 48.276s 0.37286m/s 43714.16 3.3088 0.0324 0.0044 0.0279 0.0357 3.) 6kg t 1 = 50.60s t 2 = 50.30s t 3 = 49.60s t 4 = 51.20s t 5 = 50.80s t avg = 50.50s 0.35644 /s 41789.01 3.3088 0.0353 0.0059 0.0276 0.0331 4.) 6kg t 1 = 50.95s t 2 = 50.30s t 3 = 49.60s t 4 = 51.20s t 5 = 50.80s t avg = 50.50s 0.34933m/s 40956.89 3.6765 0.0375 0.0040 0.0279 0.0324 5.) 6kg t 1 = 56.00s t 2 = 57.10s t 3 = 56.39s t 4 = 57.13s t 5 = 56.44s t avg = 56.612s 0.31795m/s 37277.34 3.6765 0.0257 0.0033 0.0217 0.0287
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