UAE6 - Wind Tunnel Tests Data - UAE6 - Sequence 5 - Raw Data

**Overview**

Sequence 5: Sweep Wind Speed (F,P)

This test sequence used an upwind, rigid turbine with a 0° cone angle. The wind speed was
ramped from 5 m/s to 25 m/s by the wind tunnel operator. This was repeated with a decreasing
ramp. The yaw angle was maintained at 0°. The blade tip pitch was 3° or 6°. The rotor rotated at
72 RPM. Blade pressure and probe measurements were collected for both pitch angles. The five-hole
probes were removed and the plugs were installed for another 3° pitch case. Plastic tape 0.03
mm thick was used to smooth the interface between the plugs and the blade. The teeter dampers
were replaced with rigid links, and these two channels were flagged as not applicable by setting
the measured values in the data file to ?99999.99 Nm. The teeter link load cell was pre-tensioned
to 40,000 N. During post-processing, the probe channels were set to read -99999.99. The 6-
minute campaigns were named using the sequence designation 5, followed by DN or UP, which
indicates the wind speed ramp direction. The next four digits are 0000, and the sequence digit is
at the end.

**Data Details**

File naming information can be found in the attached Word document "Sequence 5 Filename Key", copied from the Phase VI Test Report.