# Mahon & Meskell Triangular Tube Array, Surface Pressure Coefficients # # Pitch ratio = 1.97 # # Tube displacement: y/d= 1 % # #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 0.865 0.849 0.850 0.864 0.865 0.862 0.872 0.868 0.866 0.861 0.867 0.873 0.881 0.882 0.882 20 0.512 0.523 0.484 0.500 0.486 0.475 0.486 0.488 0.488 0.473 0.484 0.489 0.497 0.501 0.496 30 -0.013 0.008 -0.070 -0.047 -0.074 -0.081 -0.075 -0.063 -0.048 -0.066 -0.052 -0.047 -0.036 -0.031 -0.041 40 -0.564 -0.510 -0.634 -0.606 -0.650 -0.657 -0.655 -0.634 -0.604 -0.624 -0.611 -0.600 -0.588 -0.584 -0.593 50 -0.902 -0.836 -0.990 -0.963 -1.020 -1.032 -1.032 -1.008 -0.972 -0.998 -0.985 -0.971 -0.960 -0.953 -0.962 60 -1.159 -1.091 -1.252 -1.211 -1.270 -1.306 -1.283 -1.269 -1.228 -1.256 -1.230 -1.219 -1.232 -1.186 -1.209 70 -1.205 -1.134 -1.302 -1.279 -1.347 -1.388 -1.371 -1.360 -1.320 -1.354 -1.327 -1.322 -1.337 -1.288 -1.317 80 -1.192 -1.128 -1.297 -1.261 -1.345 -1.366 -1.368 -1.334 -1.310 -1.349 -1.313 -1.331 -1.325 -1.303 -1.314 90 -1.070 -1.007 -1.139 -1.131 -1.201 -1.224 -1.230 -1.211 -1.173 -1.222 -1.203 -1.208 -1.216 -1.196 -1.221 100 -0.993 -0.874 -0.992 -0.904 -0.982 -0.990 -0.990 -0.976 -0.927 -0.973 -0.957 -0.970 -0.969 -0.953 -0.981 110 -0.757 -0.634 -0.721 -0.692 -0.709 -0.731 -0.709 -0.696 -0.662 -0.707 -0.696 -0.718 -0.706 -0.702 -0.726 120 -0.616 -0.490 -0.545 -0.510 -0.510 -0.518 -0.491 -0.478 -0.441 -0.480 -0.464 -0.482 -0.470 -0.461 -0.484 130 -0.474 -0.350 -0.408 -0.372 -0.376 -0.380 -0.360 -0.345 -0.315 -0.348 -0.332 -0.344 -0.336 -0.325 -0.344 140 -0.445 -0.349 -0.389 -0.321 -0.328 -0.335 -0.318 -0.297 -0.268 -0.287 -0.285 -0.278 -0.278 -0.263 -0.276 150 -0.385 -0.273 -0.317 -0.274 -0.282 -0.279 -0.263 -0.245 -0.217 -0.240 -0.222 -0.225 -0.219 -0.208 -0.218 160 -0.356 -0.254 -0.291 -0.235 -0.249 -0.247 -0.239 -0.217 -0.186 -0.204 -0.184 -0.185 -0.180 -0.174 -0.181 170 -0.342 -0.235 -0.277 -0.234 -0.248 -0.229 -0.216 -0.200 -0.175 -0.182 -0.165 -0.167 -0.162 -0.152 -0.160 180 -0.344 -0.242 -0.278 -0.227 -0.237 -0.227 -0.215 -0.191 -0.160 -0.178 -0.157 -0.150 -0.148 -0.135 -0.145 190 -0.344 -0.258 -0.298 -0.243 -0.255 -0.237 -0.221 -0.200 -0.170 -0.183 -0.162 -0.159 -0.156 -0.142 -0.145 200 -0.365 -0.280 -0.322 -0.270 -0.280 -0.263 -0.246 -0.228 -0.196 -0.208 -0.188 -0.185 -0.182 -0.167 -0.169 210 -0.417 -0.331 -0.375 -0.319 -0.328 -0.306 -0.286 -0.269 -0.236 -0.246 -0.225 -0.221 -0.219 -0.202 -0.203 220 -0.479 -0.359 -0.396 -0.334 -0.354 -0.338 -0.322 -0.300 -0.271 -0.277 -0.255 -0.247 -0.243 -0.239 -0.243 230 -0.561 -0.450 -0.484 -0.412 -0.438 -0.420 -0.402 -0.376 -0.343 -0.341 -0.319 -0.304 -0.300 -0.300 -0.304 240 -0.619 -0.544 -0.613 -0.559 -0.568 -0.522 -0.498 -0.499 -0.452 -0.441 -0.421 -0.419 -0.424 -0.377 -0.371 250 -0.794 -0.718 -0.810 -0.761 -0.776 -0.729 -0.706 -0.717 -0.663 -0.647 -0.628 -0.629 -0.639 -0.573 -0.562 260 -0.934 -0.882 -1.009 -0.971 -1.009 -0.981 -0.964 -0.968 -0.919 -0.919 -0.900 -0.902 -0.918 -0.853 -0.845 270 -1.126 -1.045 -1.194 -1.161 -1.212 -1.224 -1.216 -1.198 -1.155 -1.191 -1.167 -1.175 -1.174 -1.149 -1.167 280 -1.222 -1.143 -1.298 -1.263 -1.326 -1.347 -1.336 -1.308 -1.281 -1.320 -1.297 -1.300 -1.291 -1.294 -1.306 290 -1.249 -1.169 -1.314 -1.275 -1.334 -1.361 -1.346 -1.311 -1.294 -1.331 -1.309 -1.311 -1.297 -1.313 -1.321 300 -1.166 -1.095 -1.227 -1.178 -1.244 -1.269 -1.246 -1.214 -1.189 -1.232 -1.205 -1.190 -1.186 -1.197 -1.206 310 -0.906 -0.839 -0.965 -0.928 -0.979 -0.982 -0.984 -0.943 -0.915 -0.940 -0.922 -0.925 -0.929 -0.921 -0.924 320 -0.517 -0.460 -0.552 -0.519 -0.568 -0.572 -0.565 -0.536 -0.511 -0.541 -0.519 -0.514 -0.508 -0.505 -0.520 330 0.023 0.068 0.001 0.017 -0.00 -0.011 -0.018 -0.006 0.018 0.004 0.020 0.024 0.028 0.025 0.020 340 0.540 0.549 0.529 0.528 0.519 0.525 0.507 0.502 0.522 0.517 0.520 0.522 0.527 0.516 0.512 350 0.896 0.901 0.890 0.875 0.887 0.869 0.881 0.879 0.886 0.881 0.868 0.878 0.848 0.860 0.868 360 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