# Mahon & Meskell Triangular Tube Array, Surface Pressure Coefficients # # Pitch ratio = 1.97 # # Tube displacement: y/d= 5 % # #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 0.920 0.922 0.917 0.923 0.912 0.906 0.894 0.898 0.904 0.909 0.907 0.910 0.913 0.897 0.920 20 0.625 0.636 0.596 0.614 0.577 0.567 0.546 0.555 0.573 0.565 0.566 0.563 0.567 0.549 0.568 30 0.057 0.070 0.021 0.047 0.003 -0.001 -0.010 0.010 0.038 0.025 0.037 0.028 0.039 0.031 0.038 40 -0.457 -0.427 -0.517 -0.483 -0.553 -0.567 -0.581 -0.552 -0.512 -0.532 -0.522 -0.525 -0.517 -0.509 -0.517 50 -0.830 -0.779 -0.904 -0.867 -0.959 -0.972 -0.989 -0.956 -0.911 -0.938 -0.925 -0.930 -0.917 -0.907 -0.918 60 -1.146 -1.102 -1.232 -1.178 -1.268 -1.286 -1.293 -1.252 -1.226 -1.235 -1.210 -1.224 -1.203 -1.211 -1.207 70 -1.161 -1.134 -1.284 -1.238 -1.364 -1.399 -1.410 -1.360 -1.344 -1.344 -1.339 -1.352 -1.338 -1.355 -1.351 80 -1.135 -1.084 -1.252 -1.239 -1.328 -1.371 -1.401 -1.354 -1.320 -1.343 -1.347 -1.350 -1.351 -1.352 -1.344 90 -1.056 -1.014 -1.149 -1.151 -1.231 -1.249 -1.269 -1.228 -1.199 -1.228 -1.231 -1.246 -1.243 -1.247 -1.243 100 -0.910 -0.832 -0.940 -0.921 -0.991 -0.990 -1.017 -0.970 -0.953 -0.969 -0.984 -0.986 -0.990 -0.981 -0.991 110 -0.712 -0.630 -0.679 -0.639 -0.687 -0.701 -0.717 -0.679 -0.672 -0.692 -0.704 -0.711 -0.710 -0.725 -0.727 120 -0.580 -0.488 -0.514 -0.466 -0.493 -0.493 -0.496 -0.457 -0.442 -0.453 -0.460 -0.463 -0.457 -0.469 -0.469 130 -0.480 -0.393 -0.426 -0.378 -0.392 -0.395 -0.406 -0.354 -0.328 -0.355 -0.346 -0.356 -0.338 -0.342 -0.343 140 -0.464 -0.360 -0.388 -0.342 -0.360 -0.347 -0.346 -0.302 -0.282 -0.285 -0.287 -0.282 -0.280 -0.268 -0.273 150 -0.396 -0.305 -0.331 -0.277 -0.295 -0.292 -0.291 -0.250 -0.223 -0.229 -0.230 -0.225 -0.224 -0.219 -0.219 160 -0.371 -0.261 -0.282 -0.244 -0.259 -0.261 -0.267 -0.212 -0.189 -0.193 -0.195 -0.193 -0.197 -0.186 -0.192 170 -0.319 -0.222 -0.261 -0.215 -0.233 -0.235 -0.239 -0.189 -0.164 -0.172 -0.174 -0.170 -0.172 -0.166 -0.166 180 -0.344 -0.249 -0.266 -0.214 -0.230 -0.223 -0.220 -0.180 -0.151 -0.154 -0.152 -0.149 -0.147 -0.138 -0.138 190 -0.333 -0.240 -0.268 -0.227 -0.218 -0.222 -0.223 -0.190 -0.156 -0.167 -0.170 -0.166 -0.163 -0.159 -0.158 200 -0.374 -0.282 -0.304 -0.250 -0.259 -0.252 -0.244 -0.206 -0.180 -0.188 -0.187 -0.180 -0.178 -0.172 -0.170 210 -0.439 -0.333 -0.350 -0.300 -0.302 -0.294 -0.286 -0.249 -0.220 -0.229 -0.227 -0.218 -0.219 -0.211 -0.209 220 -0.437 -0.332 -0.374 -0.319 -0.326 -0.329 -0.318 -0.280 -0.246 -0.252 -0.254 -0.245 -0.252 -0.242 -0.237 230 -0.533 -0.431 -0.472 -0.412 -0.414 -0.416 -0.392 -0.355 -0.313 -0.320 -0.322 -0.308 -0.321 -0.308 -0.299 240 -0.662 -0.546 -0.563 -0.530 -0.526 -0.534 -0.503 -0.475 -0.394 -0.429 -0.414 -0.401 -0.412 -0.400 -0.396 250 -0.831 -0.716 -0.754 -0.722 -0.727 -0.741 -0.707 -0.678 -0.580 -0.629 -0.611 -0.596 -0.612 -0.599 -0.585 260 -0.968 -0.867 -0.942 -0.920 -0.950 -0.970 -0.951 -0.919 -0.833 -0.883 -0.872 -0.859 -0.875 -0.865 -0.843 270 -1.142 -1.055 -1.184 -1.128 -1.185 -1.188 -1.201 -1.149 -1.116 -1.138 -1.134 -1.141 -1.136 -1.134 -1.132 280 -1.212 -1.136 -1.258 -1.224 -1.282 -1.304 -1.318 -1.269 -1.220 -1.250 -1.269 -1.267 -1.268 -1.252 -1.258 290 -1.230 -1.157 -1.260 -1.241 -1.295 -1.326 -1.337 -1.292 -1.237 -1.269 -1.298 -1.289 -1.293 -1.270 -1.278 300 -1.141 -1.071 -1.168 -1.156 -1.205 -1.235 -1.244 -1.201 -1.148 -1.175 -1.202 -1.188 -1.190 -1.166 -1.174 310 -0.957 -0.886 -0.993 -0.949 -1.003 -1.028 -1.031 -0.972 -0.954 -0.955 -0.967 -0.959 -0.954 -0.940 -0.937 320 -0.563 -0.505 -0.613 -0.578 -0.610 -0.626 -0.638 -0.598 -0.571 -0.582 -0.579 -0.573 -0.575 -0.559 -0.564 330 -0.013 0.013 -0.037 -0.025 -0.054 -0.070 -0.088 -0.059 -0.042 -0.042 -0.056 -0.049 -0.049 -0.039 -0.037 340 0.522 0.546 0.523 0.508 0.499 0.484 0.465 0.478 0.477 0.483 0.467 0.474 0.471 0.477 0.479 350 0.878 0.883 0.872 0.870 0.863 0.868 0.865 0.872 0.868 0.868 0.864 0.865 0.866 0.871 0.866 360 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