# Mahon & Meskell Triangular Tube Array, Surface Pressure Coefficients # # Pitch ratio = 1.97 # # Tube displacement: y/d= 10 % # #Position Free stream Velocity (m/s) # Angle 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 0 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 10 0.842 0.863 0.875 0.878 0.893 0.890 0.892 0.897 0.909 0.910 0.919 0.911 0.914 0.915 0.915 20 0.567 0.579 0.561 0.571 0.573 0.564 0.561 0.574 0.584 0.583 0.593 0.589 0.589 0.590 0.580 30 0.076 0.070 0.012 0.037 0.035 0.036 0.034 0.059 0.075 0.071 0.086 0.087 0.085 0.093 0.077 40 -0.477 -0.462 -0.554 -0.522 -0.536 -0.540 -0.542 -0.509 -0.488 -0.498 -0.480 -0.478 -0.486 -0.466 -0.490 50 -0.860 -0.833 -0.953 -0.916 -0.949 -0.964 -0.968 -0.932 -0.907 -0.924 -0.906 -0.903 -0.917 -0.889 -0.923 60 -1.179 -1.126 -1.257 -1.224 -1.283 -1.297 -1.296 -1.247 -1.221 -1.236 -1.206 -1.217 -1.216 -1.187 -1.198 70 -1.265 -1.239 -1.386 -1.389 -1.456 -1.477 -1.477 -1.424 -1.395 -1.411 -1.380 -1.391 -1.391 -1.363 -1.374 80 -1.191 -1.171 -1.326 -1.316 -1.380 -1.423 -1.434 -1.398 -1.361 -1.394 -1.379 -1.399 -1.401 -1.386 -1.392 90 -0.977 -0.956 -1.092 -1.085 -1.168 -1.223 -1.245 -1.217 -1.193 -1.228 -1.218 -1.233 -1.245 -1.237 -1.249 100 -0.969 -0.923 -1.020 -0.984 -1.015 -1.037 -1.046 -1.012 -0.982 -1.016 -1.024 -1.026 -1.052 -1.020 -1.044 110 -0.782 -0.693 -0.720 -0.708 -0.725 -0.729 -0.716 -0.676 -0.654 -0.683 -0.676 -0.710 -0.731 -0.718 -0.728 120 -0.657 -0.560 -0.569 -0.533 -0.528 -0.518 -0.499 -0.455 -0.434 -0.447 -0.437 -0.466 -0.480 -0.466 -0.478 130 -0.531 -0.427 -0.443 -0.410 -0.403 -0.394 -0.379 -0.337 -0.317 -0.327 -0.315 -0.338 -0.346 -0.333 -0.347 140 -0.506 -0.417 -0.439 -0.381 -0.362 -0.353 -0.339 -0.301 -0.271 -0.279 -0.274 -0.285 -0.293 -0.273 -0.283 150 -0.435 -0.343 -0.367 -0.327 -0.313 -0.306 -0.294 -0.255 -0.232 -0.238 -0.224 -0.234 -0.237 -0.222 -0.234 160 -0.413 -0.314 -0.326 -0.287 -0.276 -0.269 -0.257 -0.220 -0.193 -0.203 -0.188 -0.203 -0.203 -0.190 -0.202 170 -0.350 -0.260 -0.291 -0.250 -0.238 -0.237 -0.228 -0.192 -0.172 -0.178 -0.165 -0.171 -0.174 -0.158 -0.171 180 -0.346 -0.270 -0.288 -0.239 -0.231 -0.230 -0.222 -0.185 -0.161 -0.165 -0.154 -0.163 -0.160 -0.149 -0.156 190 -0.415 -0.325 -0.342 -0.294 -0.274 -0.261 -0.244 -0.205 -0.183 -0.183 -0.167 -0.167 -0.166 -0.150 -0.160 200 -0.457 -0.363 -0.370 -0.320 -0.301 -0.289 -0.270 -0.228 -0.205 -0.205 -0.189 -0.189 -0.187 -0.171 -0.182 210 -0.522 -0.427 -0.429 -0.372 -0.348 -0.333 -0.313 -0.270 -0.247 -0.246 -0.229 -0.226 -0.225 -0.209 -0.220 220 -0.522 -0.431 -0.470 -0.393 -0.377 -0.377 -0.361 -0.324 -0.285 -0.288 -0.267 -0.265 -0.262 -0.248 -0.252 230 -0.598 -0.507 -0.549 -0.464 -0.447 -0.453 -0.436 -0.402 -0.351 -0.355 -0.332 -0.327 -0.318 -0.311 -0.311 240 -0.813 -0.708 -0.693 -0.630 -0.605 -0.586 -0.553 -0.492 -0.479 -0.467 -0.448 -0.424 -0.422 -0.405 -0.415 250 -0.972 -0.875 -0.871 -0.812 -0.798 -0.778 -0.747 -0.683 -0.672 -0.659 -0.646 -0.614 -0.613 -0.598 -0.603 260 -1.101 -1.014 -1.046 -0.994 -0.998 -0.987 -0.966 -0.906 -0.892 -0.892 -0.887 -0.862 -0.864 -0.850 -0.853 270 -1.176 -1.079 -1.194 -1.133 -1.164 -1.171 -1.157 -1.108 -1.079 -1.096 -1.084 -1.087 -1.095 -1.085 -1.087 280 -1.252 -1.176 -1.292 -1.228 -1.260 -1.282 -1.261 -1.215 -1.190 -1.211 -1.205 -1.211 -1.204 -1.204 -1.212 290 -1.226 -1.172 -1.296 -1.228 -1.266 -1.297 -1.274 -1.231 -1.209 -1.228 -1.228 -1.234 -1.218 -1.224 -1.233 300 -1.184 -1.138 -1.255 -1.189 -1.223 -1.252 -1.226 -1.180 -1.159 -1.171 -1.168 -1.169 -1.150 -1.152 -1.158 310 -1.026 -0.985 -1.064 -1.036 -1.046 -1.078 -1.059 -1.014 -0.985 -1.008 -0.984 -0.966 -0.977 -0.937 -0.964 320 -0.717 -0.664 -0.737 -0.714 -0.742 -0.739 -0.719 -0.679 -0.666 -0.670 -0.660 -0.650 -0.652 -0.626 -0.634 330 -0.186 -0.186 -0.242 -0.213 -0.224 -0.225 -0.219 -0.187 -0.175 -0.176 -0.159 -0.162 -0.159 -0.143 -0.149 340 0.336 0.355 0.336 0.351 0.353 0.345 0.346 0.365 0.375 0.371 0.382 0.374 0.374 0.381 0.379 350 0.790 0.807 0.780 0.789 0.810 0.814 0.815 0.823 0.831 0.811 0.819 0.818 0.817 0.817 0.813 360 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000