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Experiment #5 - Calibration of Yaw Probe

Experiment #5 - Calibration of Yaw Probe - ME 323 Lab...

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ME – 323 – Lab Report Experiment #5 Calibration of Yaw Probe October 8, 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 In this experiment a team of five students used a yaw head with three pressure sensing holes (located at + 45 o , 0 o , and - 45 o ) and a wind tunnel to determine fluid free stream velocity. The experiment was run twice, once with the yaw probe entering the test section from the left side of the wind tunnel, and the second time with the yaw probe entering through the right side of the wind tunnel. Experimental Data & Procedure Table 1 Angle (deg.) Q (Erect) ∆p (Inverted) Q (Erect) ∆p (Inverted) Cp = ∆p/Q (Erect) Cp = ∆p/Q (Inverted) 10 o 1.04 1.67 1.51 1.63 1.61 1.08 8 o 1.06 1.69 1.43 1.65 1.59 1.15 6 o 1.15 1.64 1.45 1.67 1.43 1.15 4 o 1.21 1.62 1.46 1.68 1.34 1.15 2 o 1.36 1.70 1.47 1.66 1.25 1.13 0 o 1.32 1.64 1.42 1.68 1.24 1.18 -2 o 1.38 1.66 1.38 1.60 1.20 1.16 .4 o 1.42 1.67 1.24 1.66 1.18 1.34 -6 o 1.38 1.68 1.18 1.63 1.22 1.38 -8 o 1.45 1.69 1.16 1.59 1.17 1.37 -10 o 1.49 1.61 1.07 1.58 1.08 1.48 In order to obtain the results in table 1 the team conducted the following procedure: 1. Once the preliminary setup of the yaw probe into the test section (p.48, Ref.1) was completed the
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