Water Tunnel Experiment Procedure Lecture - MAELabs UCSD
Water Tunnel Experiment Procedure Lecture - MAELabs UCSD
Water Tunnel Experiment Procedure Lecture - MAELabs UCSD
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Using Laser Doppler, run experiment for various<br />
impeller speeds from 5 Hz – 45 Hz with 5 Hz<br />
increments recording the flow velocity.<br />
Plot impeller speed vs Flow velocity and find<br />
corresponding impeller speed for flow velocities of 0.8,<br />
1.4 & 1.8 m/s.<br />
For each flow velocity, measure 4 sets of velocity<br />
using laser Doppler<br />
◦ Axial – Centerline velocity along the tunnel<br />
◦ Transverse velocity at x = 470,000<br />
◦ Transverse velocity at x = 190,000<br />
◦ Transverse velocity at x = 30,000<br />
Using measured velocity profiles, calculate coefficient<br />
of drag for each of the three cases.
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