U.S. Department of Transportation
Federal Highway Administration
1200 New Jersey Avenue, SE
Washington, DC 20590
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Federal Highway Administration Research and Technology
Coordinating, Developing, and Delivering Highway Transportation Innovations
REPORT |
This report is an archived publication and may contain dated technical, contact, and link information |
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Publication Number: FHWA-HRT-14-070 Date: September 2014 |
Publication Number: FHWA-HRT-14-070 Date: September 2014 |
Table 6. Description of all the runs completed during the 2011 wind tunnel test.
Day | Tare | Run No. | No. of Pts | Inclination (Degree) | Spring Rotation (Degreea) | Cable Rotation (Degreea) | Case | Description | Freq. Sway (Hz) | Freq. Heave (Hz) | Freq. Ratio | Damping Sway (Percent) | Damping Heave (Percent) | Sc Sway | Sc Heave | Comments |
5/6 | 24 | 4 | 60 | 0 | 0 | Dynamic | Damping trace | 1.39 | 1.39 | 1.0 | 0.08 | 0.10 | 1.6 | 2.1 | pt1: sway; pt2: heave; pt3: end-to-end sway; pt4: end-to-end heave | |
5/6 | 25 | 27 | 19 | 60 | 0 | 0 | Dynamic | Increasing speed sweep | pt1–19: speed sweep | |||||||
5/6 | 25 | 28 | 20 | 60 | 0 | 0 | Dynamic | Decreasing speed sweep | pt1–20: speed sweep | |||||||
5/9 | 31 | 32 | 15 | 60 | 0 | 0 | Static | Increasing speed sweep | pt1–15: speed sweep | |||||||
5/9 | 34 | 35 | 15 | 60 | 0 | 0 | Static | Decreasing speed sweep | pt1–15: speed sweep | |||||||
5/9 | 36 | 37 | 12 | 60 | 0 | 27.7 | Static | Increasing speed sweep | pt1–12: speed sweep | |||||||
5/10 | 38 | 39 | 15 | 60 | 0 | -13.8 | Static | Increasing speed sweep | pt1–15: speed sweep | |||||||
5/10 | 40 | 41 | 15 | 60 | 0 | 13.8 | Static | Increasing speed sweep | pt1–15: speed sweep | |||||||
5/10 | 42 | 2 | 60 | 0 | -13.8 | Dynamic | Damping trace | 1.39 | 1.39 | 1.00 | 0.08 | 0.10 | 1.6 | 2.1 | pt1: sway; pt2: heave | |
5/10 | 43 | 44 | 17 | 60 | 0 | -13.8 | Dynamic | Increasing speed sweep | pt1–17: speed sweep | |||||||
5/10 | 45 | 46 | 17 | 60 | 0 | -13.8 | Dynamic | Increasing speed sweep | pt1–17: speed sweep; repeat of run 44 | |||||||
5/10 | 45 | 47 | 5 | 60 | 0 | -13.8 | Dynamic | Forced oscillations | pt1: 12m/s; pt2: 18m/s; pt3: 24m/s; pt4: 30m/s; pt5: 34m/s | |||||||
5/11 | 48 | 49 | 17 | 60 | 0 | -30 | Dynamic | Increasing speed sweep | pt1–17: speed sweep | |||||||
5/11 | 48 | 50 | 4 | 60 | 0 | -30 | Dynamic | Forced oscillations | pt1: 24m/s; pt2: 26m/s; pt3: 28m/s; pt4: 34m/s | |||||||
5/11 | 51 | 52 | 17 | 60 | 0 | -40 | Dynamic | Increasing speed sweep | pt1–17: speed sweep | |||||||
5/11 | 51 | 53 | 3 | 60 | 0 | -40 | Dynamic | Forced oscillations | pt1: 24m/s; pt2: 28m/s; pt3: 34m/s | |||||||
5/11 | 55 | 56 | 17 | 60 | 0 | -50 | Dynamic | Increasing speed sweep | pt1–7: speed sweep | |||||||
5/11 | 55 | 58 | 2 | 60 | 0 | -50 | Dynamic | Forced oscillations | pt1: 24m/s; pt2: 28m/s | |||||||
5/11 | 59 | 60 | 17 | 60 | 0 | -60 | Dynamic | Increasing speed sweep | pt1–17: speed sweep | |||||||
5/11 | 59 | 61 | 6 | 60 | 0 | -60 | Dynamic | Forced oscillations | pt1: 14m/s; pt2: 22m/s; pt3: 22m/s; pt4: 30m/s; pt5/6: 36m/s | |||||||
5/12 | 62 | 63 | 17 | 60 | 0 | -75 | Dynamic | Increasing speed sweep | pt1–17: speed sweep | |||||||
5/12 | 62 | 64 | 3 | 60 | 0 | -75 | Dynamic | Forced oscillations | pt1: 16m/s; pt2: 22m/s; pt3: 36m/s | |||||||
5/12 | 65 | 66 | 19 | 60 | 0 | -90 | Dynamic | Increasing speed sweep | pt1–19: speed sweep | |||||||
5/12 | 65 | 67 | 17 | 60 | 0 | -90 | Dynamic | Decreasing speed sweep | pt1–17: speed sweep | |||||||
5/12 | 68 | 69 | 17 | 60 | 0 | 5 | Dynamic | Increasing speed sweep | pt1–17: speed sweep | |||||||
5/12 | 70 | 71 | 17 | 60 | 0 | 65 | Dynamic | Increasing speed sweep | pt1–17: speed sweep | |||||||
5/13 | 72 | 73 | 18 | 60 | 0 | 50 | Dynamic | Increasing speed sweep | pt1–18: speed sweep | |||||||
5/13 | 74 | 75 | 20 | 60 | 0 | -90 | Dynamic | Increasing speed sweep | pt1–20: speed sweep, repeat run 66 | |||||||
5/13 | 74 | 76 | 2 | 60 | 0 | -90 | Dynamic | Aerodynamic damping test | pt1–2: aerodynamic damping at 32m/s | |||||||
5/13 | 74 | 79 | 5 | 60 | 0 | -90 | Dynamic | Aerodynamic damping test | pt1: 20m/s; pt2:data taken from 20–22m/s; pt3: data taken while increasing speed from 20 to 22m/s; pt4: aero damping at 32m/s | |||||||
5/13 | 80 | 81 | 16 | 60 | 0 | -90 | Static | Increasing speed sweep | pt1–16: speed sweep | |||||||
5/13 | 84 | 85 | 15 | 60 | 0 | -86 | Static | Increasing speed sweep | pt1–15: speed sweep | |||||||
5/16 | 87 | 88 | 15 | 60 | 0 | -88 | Static | Increasing speed sweep | pt1–15: speed sweep | |||||||
5/16 | 89 | 90 | 15 | 60 | 0 | -92 | Static | Increasing speed sweep | pt1–15: speed sweep | |||||||
5/16 | 91 | 92 | 15 | 60 | 0 | -94 | Static | Increasing speed sweep | pt1–15: speed sweep | |||||||
5/16 | 93 | 94 | 15 | 60 | 0 | -90 | Static | Increasing speed sweep | pt1–15: speed sweep, repeat run 81 (helical fillet lifted because of cold weather) | |||||||
5/16 | 96 | 2 | 60 | 0 | -90 | Dynamic | Damping trace | 1.39 | 1.39 | 1.00 | pt1: sway; pt2: heave | |||||
5/16 | 97 | 1 | 60 | 0 | -90 | Dynamic | Damping trace | 1.39 | pt1: sway | |||||||
5/16 | 98 | 1 | 60 | 0 | -90 | Dynamic | Damping trace | 1.4 | pt1: sway | |||||||
5/16 | 99 | 1 | 60 | 0 | -90 | Dynamic | Damping trace | 1.4 | pt1: sway | |||||||
5/16 | 100 | 3 | 60 | 0 | -90 | Dynamic | Damping trace | 1.4 | 1.4 | 1.00 | 0.15 | 0.40 | 3.0 | 8.1 | pt1: sway; pt2: heave | |
5/17 | 100 | 101 | 20 | 60 | 0 | -90 | Dynamic | Increasing speed sweep | pt1–20: speed sweep, two elastic bands broke during pt8 | |||||||
5/17 | 100 | 102 | 2 | 60 | 0 | -90 | Dynamic | Aerodynamic damping test | pt1–2: aerodynamic damping at 36m/s | |||||||
5/17 | 103 | 2 | 60 | 0 | -90 | Dynamic | Damping trace | 1.4 | 1.4 | 1.00 | pt1: sway; pt2: heave | |||||
5/17 | 104 | 1 | 60 | 0 | -90 | Dynamic | Damping trace | 1.4 | pt1: sway | |||||||
5/17 | 105 | 1 | 60 | 0 | -90 | Dynamic | Damping trace | 1.4 | pt1: heave | |||||||
5/17 | 106 | 4 | 60 | 0 | -90 | Dynamic | Damping trace | 1.4 | 1.4 | 1.00 | 0.15 | 0.15 | 3.0 | 3.0 | pt3: sway; pt4: heave, medium damping | |
5/17 | 107 | 108 | 18 | 60 | 0 | -90 | Dynamic | Increasing speed sweep | pt1–18: speed sweep | |||||||
5/17 | 109 | 2 | 60 | 0 | -90 | Dynamic | Damping trace | 1.4 | 1.4 | 1.00 | pt1: sway; pt2: heave | |||||
5/17 | 110 | 2 | 60 | 0 | -90 | Dynamic | Damping trace | 1.4 | 1.4 | 1.00 | pt1: sway; pt2: heave | |||||
5/17 | 111 | 1 | 60 | 0 | -90 | Dynamic | Damping trace | 1.39 | pt1: sway | |||||||
5/17 | 112 | 1 | 60 | 0 | -90 | Dynamic | Damping trace | 1.39 | pt1: sway | |||||||
5/17 | 113 | 1 | 60 | 0 | -90 | Dynamic | Damping trace | 1.4 | pt1: heave | |||||||
5/17 | 114 | 2 | 60 | 0 | -90 | Dynamic | Damping trace | 1.42 | pt1: heave | |||||||
5/17 | 115 | 1 | 60 | 0 | -90 | Dynamic | Damping trace | 1.4 | pt1: sway | |||||||
5/18 | 116 | 2 | 60 | 0 | -90 | Dynamic | Damping trace | 1.4 | 1.42 | 0.99 | 0.25 | 0.25 | 5.1 | 5.1 | pt1: sway; pt2: heave, high damping | |
5/18 | 117 | 118 | 23 | 60 | 0 | -90 | Dynamic | Increasing speed sweep | pt1–23: speed sweep | |||||||
5/18 | 119 | 2 | 60 | 0 | -90 | Dynamic | Damping trace | 1.4 | 1.42 | 0.99 | pt1: sway; pt2: heave | |||||
5/18 | 120 | 2 | 60 | 0 | -90 | Dynamic | Damping trace | 1.39 | 1.4 | 0.99 | 0.08 | 0.15 | 1.0 | 3.1 | pt1: sway; pt2: heave, low damping | |
5/18 | 121 | 122 | 24 | 60 | 0 | -90 | Dynamic | Increasing speed sweep | pt1–24: speed sweep | |||||||
5/18 | 121 | 123 | 12 | 60 | 0 | -90 | Dynamic | Decreasing speed sweep | pt1–12: speed sweep | |||||||
End of Phase I and Start of Phase II | ||||||||||||||||
5/19 | 124 | 125 | 13 | 60 | 0 | -88 | Dynamic | Increasing speed sweep | pt1–13: speed sweep | |||||||
5/19 | 126 | 2 | 60 | 0 | -88 | Dynamic | Damping trace | 1.39 | 1.39 | 1.00 | pt1: sway; pt2: heave | |||||
5/19 | 128 | 8 | 60 | -54.7 | -90 | Dynamic | Damping trace | 1.4 | 0.12 | 2.5 | pt1: sway | |||||
5/19 | 129 | 1 | 60 | -54.7 | -90 | Dynamic | Damping trace | 1.42 | 0.20 | 4.2 | pt1: heave | |||||
5/19 | 130 | 131 | 18 | 60 | -54.7 | -90 | Dynamic | Increasing speed sweep | pt1–18: speed sweep | |||||||
Change to 45-Degree Inclination | ||||||||||||||||
5/24 | 133 | 3 | 45 | 0 | -90 | Dynamic | Damping trace | 1.42 | 1.37 | 1.04 | 0.12 | 0.10 | 2.4 | 2.1 | pt2: sway; pt3: heave | |
5/24 | 135 | 136 | 15 | 45 | 0 | -90 | Dynamic | Increasing speed sweep | pt1–15: speed sweep | |||||||
5/25 | 137 | 137 | 21 | 45 | 0 | 0 | Dynamic | Increasing speed sweep | pt1–21: speed sweep | |||||||
5/25 | 138 | 2 | 45 | 0 | 90 | Dynamic | Damping trace | 1.42 | 1.39 | 1.02 | 0.12 | 0.08 | 2.4 | 1.6 | pt1: sway; pt2: heave | |
5/25 | 139 | 140 | 17 | 45 | 0 | 90 | Dynamic | Increasing speed sweep | pt1–17: speed sweep | |||||||
5/25 | 141 | 142 | 17 | 45 | 0 | 23 | Dynamic | Increasing speed sweep | pt1–17: speed sweep | |||||||
5/25 | 143 | 144 | 18 | 45 | 0 | -25 | Dynamic | Increasing speed sweep | pt1–18: speed sweep | |||||||
5/27 | 147 | 2 | 45 | -54.7 | -25 | Dynamic | Damping trace | 1.42 | 1.43 | 0.99 | 0.09 | 0.07 | 1.8 | 1.4 | pt1: heave; pt2: sway | |
5/27 | 148 | 149 | 24 | 45 | -54.7 | -25 | Dynamic | Increasing speed sweep | pt1–24: speed sweep, beating | |||||||
5/27 | 150 | 1 | 45 | -54.7 | 0 | Dynamic | Damping trace | 1.43 | 0.05 | 1.0 | pt1: heave | |||||
5/27 | 151 | 152 | 18 | 45 | -54.7 | 0 | Dynamic | Increasing speed sweep | pt1–18: speed sweep, beating | |||||||
5/27 | 153 | 2 | 45 | -45 | -25 | Dynamic | Damping trace | 1.42 | 1.43 | 0.99 | 0.16 | 0.06 | 3.3 | 1.2 | pt1: heave; pt2:sway | |
5/27 | 154 | 155 | 24 | 45 | -45 | -25 | Dynamic | Increasing speed sweep | pt1–23: speed sweep; pt24: deceleration, beating | |||||||
5/30 | 157 | 3 | 45 | -12.5 | -25 | Dynamic | Damping trace | 1.45 | 1.39 | 1.04 | 0.14 | 0.10 | 3.0 | 2.1 | pt2: heave; pt3: sway | |
5/30 | 158 | 159 | 21 | 45 | -12.5 | -25 | Dynamic | Increasing speed sweep | pt1–23: speed sweep; pt24: deceleration, beating | |||||||
Change Back to 60-Degree Inclination | ||||||||||||||||
6/1 | 161 | 4 | 60 | -12.5 | -90 | Dynamic | Damping trace | 1.43 | 1.39 | 1.01 | 0.10 | 0.14 | 2.2 | 3.0 | pt3: sway; pt4: heave | |
6/1 | 162 | 163 | 24 | 60 | -12.5 | -90 | Dynamic | Increasing speed sweep | pt1–23: speed sweep; pt24: deceleration run, very windy | |||||||
6/1 | 164 | 2 | 60 | Damping trace | pt1: sway; pt2: heave | |||||||||||
6/7 | 165 | 2 | 60 | Damping trace | 1.43 | 1.39 | 1.03 | 0.09 | 0.10 | 2.0 | 2.2 | pt1: sway; pt2: heave | ||||
6/7 | 166 | 167 | 31 | 60 | -12.5 | -90 | Dynamic | Increasing speed sweep | pt1–29: speed sweep; pt30–31: aerodynamic damping | |||||||
6/7 | Repeat of run 163 | |||||||||||||||
6/7 | 166 | 168 | 1 | 60 | -12.5 | -90 | Dynamic | Ramp down from max speed to 0 m/s | pt1: deceleration run | |||||||
6/7 | 171 | 2 | 60 | Damping trace | pt1: sway | |||||||||||
6/8 | 173 | 5 | 60 | Damping trace | 1.4 | 1.39 | 1.01 | 0.08 | 0.15 | 1.7 | 3.3 | pt3: sway; pt4: heave | ||||
6/8 | 174 | 176 | 25 | 60 | 0 | -92 | Dynamic | Increasing speed sweep | pt1–22: speed sweep; pt23–24: aerodynamic damping; pt25: deceleration | |||||||
6/8 | 177 | 178 | 16 | 60 | 0 | -90 | Dynamic | Increasing speed sweep | pt1–13: speed sweep; pt14–15: aerodynamic damping | |||||||
6/15 | 179 | 180 | 4 | 60 | Turbulent flow characteristic | Position 1 of the ladders upstream of the cable | ||||||||||
6/15 | 181 | 182 | 5 | 60 | Turbulent flow characteristic | Position 2 of the ladders(167.64 cm further away from the cable) | ||||||||||
6/15 | 183 | 184 | 4 | 60 | Turbulent flow characteristic | Position 2 of the ladders, first vertical measurement | ||||||||||
6/15 | 185 | 186 | 4 | 60 | Turbulent flow characteristic | Position 2 of the ladders, second vertical measurement | ||||||||||
6/15 | 187 | 188 | 4 | 60 | Turbulent flow characteristic | Position 2 of the ladders, third vertical measurement | ||||||||||
6/16 | 189 | 190 | 4 | 60 | Turbulent flow characteristic | Position 2 of the ladders, fourth vertical measurement | ||||||||||
6/16 | 191 | 192 | 12 | 60 | Turbulent flow characteristic | Calibration of the test section in turbulent flow, speed sweep | ||||||||||
6/16 | 193 | 194 | 5 | 60 | Turbulent flow characteristic | Position 2 of the ladders, measure of flow for different lateral positions | ||||||||||
6/16 | 195 | 2 | 60 | 0 | -90 | Dynamic | Damping trace | 1.4 | 1.39 | 1.01 | 0.08 | 0.15 | 1.7 | 3.3 | pt1: sway; pt2: heave | |
6/16 | 196 | 197 | 22 | 60 | 0 | -90 | Dynamic | Increasing speed sweep, turbulent flow | pt1–19: speed sweep; pt20–21: aerodynamic damping; pt22: deceleration | |||||||
6/16 | 198 | 199 | 24 | 60 | 0 | -92 | Dynamic | Increasing speed sweep, turbulent flow | pt1–23: speed sweep; pt24: aerodynamic damping, one threaded rod broke after pt24 | |||||||
6/17 | 201 | 3 | 60 | 0 | -88 | Dynamic | Damping trace | 1.4 | 1.39 | 1.01 | 0.07 | 0.13 | 1.5 | 2.7 | pt1: sway, pt2:heave | |
6/17 | 202 | 203 | 24 | 60 | 0 | -88 | Dynamic | Increasing speed sweep, turbulent flow | pt1–21: speed sweep; pt22–23: aerodynamic damping; pt24: deceleration, new threaded rod | |||||||
6/17 | 204 | 205 | 2 | 60 | 0 | 0 | Dynamic | Increasing speed sweep, turbulent flow | pt1: 0m/s; pt2: 4m/s | |||||||
6/17 | 204 | 206 | 19 | 60 | 0 | 0 | Dynamic | Increasing speed sweep, turbulent flow | pt1–16: speed sweep; pt17–18: aerodynamic damping; pt19: deceleration | |||||||
6/17 | 207 | 208 | 27 | 60 | 0 | 50 | Dynamic | Increasing speed sweep, turbulent flow | pt1–24: speed sweep; pt25–26: aerodynamic damping; pt27: deceleration | |||||||
Removal of Helical Fillet | ||||||||||||||||
6/20 | 209 | 3 | 60 | 0 | 50 | Dynamic | Damping trace | 1.4 | 1.39 | 1.01 | 0.07 | 0.15 | 1.5 | 3.2 | pt1: sway; pt2: heave | |
6/20 | 210 | 211 | 20 | 60 | 0 | 50 | Dynamic | Increasing speed sweep, turbulent flow, no helical | pt1–17: speed sweep; pt16: lost laser heave top; pt18–19: aerodynamic damping; pt17–20: not good, the cable was touching the top opening of the wind tunnel and damped motion; pt20: deceleration | |||||||
6/20 | 212 | 2 | 60 | 0 | 0 | Dynamic | Damping trace | 1.4 | 1.39 | 1.01 | 0.08 | 0.12 | pt1: sway; pt2: heave | |||
6/20 | 213 | 214 | 23 | 60 | 0 | 0 | Dynamic | Increasing speed sweep, turbulent flow, no helical | pt1–19: speed sweep; pt20–21: aerodynamic damping; pt22: deceleration; pt23: tare | |||||||
6/22 | 215 | 216 | 31 | 60 | 0 | -90 | Dynamic | Increasing speed sweep, turbulent flow, no helical | pt1–28: speed sweep; pt29–30: aerodynamic damping; pt31: deceleration | |||||||
6/22 | 218 | 219 | 19 | 60 | 0 | -88 | Dynamic | Increasing speed sweep, turbulent flow, no helical | pt1–16: speed sweep; pt17–18: aerodynamic damping; pt19: deceleration | |||||||
6/22 | 220 | 2 | 60 | 0 | -92 | Dynamic | Damping trace | 1.4 | 1.39 | 1.01 | 0.09 | 0.11 | 1.9 | 2.3 | pt1: sway; pt2: heave | |
6/22 | 221 | 222 | 16 | 60 | 0 | -92 | Dynamic | Increasing speed sweep, turbulent flow, no helical | pt1–15: speed sweep; pt16: data at 32m/s but one threaded rod broke after 38 s of data | |||||||
6/22 | 223 | 2 | 60 | 0 | -54.7 | Dynamic | Damping trace | 1.4 | 1.39 | 1.01 | 0.08 | 0.13 | 1.7 | 2.8 | pt1: sway; pt2: heave | |
6/22 | 224 | 225 | 19 | 60 | 0 | -54.7 | Dynamic | Increasing speed sweep, turbulent flow, no helical | pt1–16: speed sweep; pt17–18: aerodynamic damping; pt19: deceleration | |||||||
6/22 | 227 | 226 | 9 | 60 | 0 | -54.7 | Dynamic | Increasing speed sweep, turbulent flow, no helical | pt1–8: speed sweep (from 6 to 9.5 m/s); pt9: 0 m/s |
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Removal of Turbulent Flow Exposure | ||||||||||||||||
6/23 | 228 | 2 | 60 | 0 | -54.7 | Dynamic | Damping trace | 1.4 | 1.39 | 1.01 | 0.07 | 0.11 | 1.5 | 2.3 | pt1: sway, pt2: heave | |
6/23 | 229 | 230 | 22 | 60 | 0 | -54.7 | Dynamic | Increasing speed sweep, turbulent flow, no helical | pt1–19: speed sweep; pt20–21: aerodynamic damping; pt22: deceleration | |||||||
6/23 | 232 | 234 | 20 | 60 | 0 | 0 | Dynamic | Increasing speed sweep, turbulent flow, no helical | pt1–18: speed sweep; pt19–20: aerodynamic damping, one threaded rod broke during the run | |||||||
6/23 | 235 | 2 | 60 | 0 | -2 | Dynamic | Damping trace | 1.4 | 1.39 | 1.01 | 0.07 | 0.13 | 1.5 | 2.7 | pt1: sway; pt2: heave | |
6/23 | 236 | 237 | 21 | 60 | 0 | -2 | Dynamic | Increasing speed sweep, turbulent flow, no helical | pt1–18: speed sweep; pt19–20: aerodynamic damping; pt21: deceleration | |||||||
6/23 | 238 | 239 | 12 | 60 | 0 | 2 | Dynamic | Increasing speed sweep, turbulent flow, no helical | pt1–11: speed sweep; pt12: one threaded rod broke during the run | |||||||
6/23 | 240 | 3 | 60 | 0 | 2 | Dynamic | Damping trace | 1.42 | 1.39 | 1.02 | 0.07 | 0.13 | 1.5 | 2.8 | pt1: sway; pt2: heave | |
6/24 | 241 | 244 | 14 | 60 | 0 | 2 | Dynamic | Increasing speed sweep, turbulent flow, no helical | pt1–11: speed sweep (run 239 with a new rod); pt12–13: aerodynamic damping; pt14: deceleration | |||||||
6/24 | 247 | 248 | 15 | 60 | 0 | -93 | Static | Increasing speed sweep, turbulent flow, no helical | pt1–15: speed sweep | |||||||
6/24 | 249 | 250 | 16 | 60 | 0 | -93 | Static | Increasing speed sweep, turbulent flow, no helical | pt1–16: speed sweep, top gap sealed | |||||||
6/24 | 252 | 253 | 22 | 60 | 0 | -93 | Dynamic | Increasing speed sweep, turbulent flow, no helical | pt1–19: speed sweep; pt20–21: aerodynamic damping; pt22: deceleration | |||||||
6/24 | 254 | 2 | 60 | 0 | -90 | Dynamic | Damping trace | 1.4 | 1.39 | 1.01 | 0.07 | 0.12 | 1.5 | 2.6 | pt1: sway; pt2: heave | |
6/24 | 254 | 255 | 23 | 60 | 0 | -90 | Dynamic | Increasing speed sweep, turbulent flow, no helical | pt2–18: speed sweep; pt19–22: aerodynamic damping; pt23: deceleration (no data for pt1) | |||||||
6/24 | 256 | 257 | 19 | 60 | 0 | -88 | Dynamic | Increasing speed sweep, turbulent flow, no helical | pt1–18:speed sweep; pt19: aerodynamic damping, only 10-s sampling time at 500 Hz | |||||||
6/24 | 256 | 258 | 1 | 60 | 0 | -88 | Dynamic | Aerodynamic damping | pt1: aerodynamic damping | |||||||
6/24 | 259 | 260 | 22 | 60 | 0 | -88 | Dynamic | Speed sweep, increasing, turbulent flow, no helical | pt1–16: speed sweep; pt17–21: aerodynamic damping; pt22: deceleration, repeat run 257 with 90-s sampling time at 2500 Hz | |||||||
6/24 | 261 | 262 | 8 | 60 | 0 | -88 | Dynamic | Increasing speed sweep, turbulent flow, no helical | pt1–8: speed sweep, 12 to 22 m/s increase by 2 m/s | |||||||
6/24 | 261 | 263 | 7 | 60 | 0 | -88 | Dynamic | Increasing speed sweep, turbulent flow, no helical | pt1: ramp up to 20 m/s; pt2: 20 m/s; pt3: down to 8 m/s and back to 20 m/s; pt4–21: 7 m/s; pt5: 20 m/s; pt6: up to 36 m/s and back to 20 m/s and take data |
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a Negative degrees indicate clockwise direction. Note: Blank cells indicate that no information is available. |