Data description
Figure 3
Relevant files:
uTI3.txt: normalised velocity spectral density for TI = 3%, streamwise direction (u')
uTI12.txt: normalised velocity spectral density for TI = 12%, streamwise direction (u')
vTI3.txt: normalised velocity spectral density for TI = 3%, streamwise direction (v')
vTI12.txt: normalised velocity spectral density for TI = 12%, streamwise direction (v')
file content:
1st column: frequency (Hz)
2nd column: normalised velocity spectral density (non-dimentional)
Figure 4
Relevant files:
Figure4.txt
file content:
1st column: TSR (non-dimentional)
2nd column: mean thrust value (N) as measured directly from the torque transducer
3rd column: mean thrust value (N) as computed from root bending moment sensor and lever arm estimate
Figure 5
Relevant file:
RBM_meas.txt: raw turbine timeseries measurements used to compute the angular plots
file content:
1st column: time stamp (s)
2nd column: absolute angular position (°)
3rd column: rotation per minute
4th column: torque (Nm)
5th column: thrust (N)
6th column: root bending moment of blade 1 (Nm)
7th column: root bending moment of blade 2 (Nm)
8th column: root bending moment of blade 3 (Nm)
Figure 6
Relevant file:
CT.txt: CT value computed from experimental measurements
file content:
1st column: TSR (non-dimentional)
2nd column: CT value (non-dimentional)
Figure 7
Relevant file:
VelVarMap.txt: 2D map of velocity variation across the flume section
YCoordinates.txt: Y (transverse) coordinates of the measurement points matrix
ZCoordinates.txt: Z (vertical) coordinates of the measurement points matrix
file content:
VelVarMap.txt: 2D matrix of velocity variation across the flume section (%)
YCoordinates.txt: Y (transverse) coordinates of the measurement points matrix (m)
ZCoordinates.txt: Z (vertical) coordinates of the measurement points matrix (m)
Figure 12 was generated in Matlab using the following code:
contourf(YCoordinates,ZCoordinates,VelVarMap)
Figures 8 and 9
Relevant files:
figure8-9_TI3.txt: raw turbine measurements timeseries used to compute the TI=3% cruves of figures 8 and 9
figure8-9_TI12.txt: raw turbine measurements timeseries used to compute the TI=12% curves of figures 8 and 9
figure8-9_dry.txt: raw turbine measurements timeseries used to compute the "dry" curves of figures 8 and 9
file content:
1st column: time stamp (s)
2nd column: absolute angular position (°)
3rd column: rotation per minute
4th column: torque (Nm)
5th column: thrust (N)
Figure 10
Relevant file:
RBM_meas.txt: raw turbine measurements timeseries used to compute the spectral density curves
file content: see figure 5
Figure 11
Relevant files:
RBM_meas.txt: raw turbine timeseries measurements used to compute the spectral density curves
file content: see figure 5
Figure 12
Relevant files:
RBM_TI3.txt: raw turbine timeseries measurements used to compute the spectral density curve for TI=3%
RBM_TI12.txt: raw turbine timeseries measurements used to compute the spectral density curve for TI=12%
file content:
1st column: time stamp (s)
2nd column: absolute angular position (°)
3rd column: rotation per minute
4th column: root bending moment of blade 1 (Nm)
Figure 13
Relevant file:
figure13.txt
file content:
1st column: TSR (non-dimentional)
2nd column: mean thrust (N)
3rd column: thrust standard deviation (N)
4th column: mean Fx (N)
5th column: Fx standard deviation (N)
6th column: mean moment along the transverse direction My used to compute the Fx centroid (Nm)
Figure 14
Relevant file:
figure14.txt: raw turbine timeseries measurements used to compute the spectral density curves
file content:
1st column: time stamp (s)
2nd column: rotation per minute
3rd column: thrust (N)
4th column: Fx (N)
5th column: Fy (N)