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

**Overview**

Sequence V: Tip Plate (F)

This test sequence used an upwind, rigid turbine with a 0° cone angle. The wind speed ranged
from 5 m/s to 25 m/s, and the yaw angle was held at 0°. The blade pitch angle was 3°. The rotor
rotated at 72 RPM. Blade pressure measurements were collected. The five-hole probes were
removed and the plugs were installed. 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 standard tip blocks were replaced
with a tip plate to simulate the effect of an undeployed tip-mounted aerodynamic brake as shown
in Appendix A. Note that the blade radius was not changed during post-processing so the
pressure tap locations are at the same radial location, but the reference to 30% represents 30% of
5.029 m, not 4.943 m. Throughout this report, references to the blade span are made for the 5.029-
m radius, not the 4.943-m radius.

**Data Details**

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