Lab 2 Flow Rate Measurement Table

Lab 2 Flow Rate Measurement Table - No. 1 2 3 4 5 6 7 8 9...

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No. Device Name Replogle Flume % Error Discussion/ Comments 1 Open Pipe 2.12 CFS 0.97 CFS 1.15 118.6 2 Meter 1 CFS 0.97 CFS 0.03 3.09 3 Triangular (Stilling) 0.87 CFS 0.97 CFS -0.1 -10.31 4 0.87 CFS 0.97 CFS -0.1 -10.31 5 Rectangular Orofice 0.88 CFS 0.97 CFS -0.09 -9.28 6 Trapezoidal (Stilling) 0.88 CFS 0.97 CFS -0.09 -9.28 7 Trapezoidal (IID) 0.8 CFS 0.97 CFS -0.17 -17.5 8 Trapezoidal (Parallel) 0.68 CFS 0.97 CFS -0.29 -29.9 9 Rectangular (Stilling) 0.8 CFS 0.97 CFS -0.17 -17.5 10 0.89 CFS 0.97 CFS -0.08 -8.25 11 Rectangular (Parallel) 0.71 CFS 0.97 CFS -0.26 -26.8 12 Parshall 0.65 CFS 0.97 CFS -0.32 -32.99 13 Replogle 0.97 CFS 0.97 CFS 0 0 Device Flow Rate Difference from Flume The water out of the pipe was moving very fast and it was very difficult to tell where the water was hitting the ruler. This was very accurate because it was measuring very close to the flow rate source with no water disturbance. This was close because there was no turbulance in the water to mess up our reading of the gauge. Triangular
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