# Mahon & Meskell Triangular Tube Array, Surface Pressure Coefficients # # Pitch ratio = 1.97 # # Tube displacement: y/d= 4 % # #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 0.841 0.829 0.863 0.875 0.855 0.847 0.862 0.873 0.881 0.873 0.873 0.880 0.871 0.881 0.879 20 0.518 0.535 0.532 0.538 0.508 0.490 0.503 0.522 0.513 0.506 0.508 0.516 0.508 0.516 0.510 30 -0.036 -0.009 -0.044 -0.028 -0.063 -0.080 -0.062 -0.032 -0.035 -0.044 -0.033 -0.025 -0.031 -0.014 -0.022 40 -0.569 -0.517 -0.599 -0.576 -0.629 -0.654 -0.639 -0.602 -0.599 -0.619 -0.601 -0.593 -0.598 -0.574 -0.587 50 -0.957 -0.882 -0.993 -0.967 -1.033 -1.067 -1.051 -1.008 -1.002 -1.030 -1.008 -1.001 -1.004 -0.979 -0.994 60 -1.200 -1.128 -1.236 -1.197 -1.287 -1.315 -1.314 -1.262 -1.221 -1.243 -1.240 -1.231 -1.229 -1.217 -1.193 70 -1.239 -1.181 -1.308 -1.284 -1.385 -1.420 -1.425 -1.375 -1.335 -1.361 -1.360 -1.354 -1.357 -1.341 -1.318 80 -1.205 -1.161 -1.294 -1.261 -1.368 -1.414 -1.431 -1.378 -1.356 -1.390 -1.368 -1.371 -1.399 -1.359 -1.360 90 -1.088 -1.019 -1.140 -1.130 -1.230 -1.269 -1.281 -1.240 -1.211 -1.253 -1.250 -1.254 -1.267 -1.258 -1.256 100 -0.975 -0.920 -0.981 -0.936 -0.985 -1.032 -1.035 -0.997 -0.954 -1.005 -1.016 -1.001 -1.028 -1.009 -1.023 110 -0.780 -0.665 -0.719 -0.672 -0.722 -0.731 -0.750 -0.696 -0.679 -0.727 -0.705 -0.719 -0.736 -0.700 -0.728 120 -0.656 -0.540 -0.560 -0.498 -0.530 -0.530 -0.540 -0.483 -0.462 -0.499 -0.476 -0.486 -0.496 -0.460 -0.485 130 -0.530 -0.429 -0.439 -0.382 -0.411 -0.411 -0.413 -0.361 -0.342 -0.369 -0.351 -0.355 -0.363 -0.333 -0.352 140 -0.529 -0.424 -0.424 -0.360 -0.372 -0.378 -0.363 -0.321 -0.287 -0.304 -0.309 -0.290 -0.302 -0.288 -0.293 150 -0.437 -0.340 -0.339 -0.287 -0.310 -0.311 -0.303 -0.256 -0.239 -0.254 -0.242 -0.237 -0.246 -0.223 -0.236 160 -0.392 -0.302 -0.308 -0.249 -0.273 -0.280 -0.271 -0.231 -0.206 -0.218 -0.214 -0.210 -0.224 -0.201 -0.210 170 -0.350 -0.259 -0.253 -0.206 -0.229 -0.234 -0.225 -0.185 -0.167 -0.180 -0.171 -0.165 -0.175 -0.154 -0.168 180 -0.350 -0.258 -0.263 -0.202 -0.225 -0.230 -0.220 -0.175 -0.157 -0.166 -0.161 -0.150 -0.160 -0.140 -0.150 190 -0.412 -0.308 -0.315 -0.246 -0.259 -0.260 -0.240 -0.194 -0.170 -0.179 -0.167 -0.156 -0.170 -0.147 -0.157 200 -0.425 -0.330 -0.334 -0.266 -0.285 -0.282 -0.264 -0.220 -0.198 -0.204 -0.195 -0.186 -0.197 -0.175 -0.186 210 -0.484 -0.383 -0.387 -0.311 -0.329 -0.326 -0.302 -0.258 -0.235 -0.240 -0.231 -0.222 -0.235 -0.213 -0.222 220 -0.502 -0.431 -0.417 -0.342 -0.366 -0.365 -0.336 -0.298 -0.278 -0.279 -0.273 -0.262 -0.273 -0.258 -0.268 230 -0.607 -0.547 -0.528 -0.443 -0.461 -0.450 -0.410 -0.377 -0.353 -0.348 -0.343 -0.330 -0.342 -0.330 -0.338 240 -0.755 -0.618 -0.650 -0.546 -0.578 -0.554 -0.514 -0.470 -0.441 -0.433 -0.430 -0.420 -0.447 -0.428 -0.420 250 -0.910 -0.780 -0.830 -0.725 -0.771 -0.749 -0.705 -0.667 -0.633 -0.627 -0.629 -0.618 -0.654 -0.634 -0.624 260 -1.045 -0.931 -1.025 -0.935 -0.997 -0.991 -0.957 -0.920 -0.886 -0.894 -0.898 -0.886 -0.923 -0.898 -0.899 270 -1.180 -1.094 -1.185 -1.127 -1.212 -1.225 -1.220 -1.161 -1.127 -1.166 -1.162 -1.163 -1.173 -1.143 -1.148 280 -1.274 -1.206 -1.300 -1.249 -1.328 -1.349 -1.342 -1.294 -1.268 -1.311 -1.294 -1.291 -1.298 -1.285 -1.300 290 -1.278 -1.195 -1.288 -1.249 -1.329 -1.349 -1.348 -1.307 -1.288 -1.334 -1.313 -1.306 -1.310 -1.306 -1.323 300 -1.216 -1.141 -1.219 -1.175 -1.252 -1.267 -1.262 -1.221 -1.199 -1.240 -1.218 -1.206 -1.209 -1.203 -1.215 310 -1.017 -0.945 -1.018 -0.973 -1.039 -1.056 -1.054 -1.009 -0.973 -0.996 -0.998 -0.975 -0.987 -0.950 -0.965 320 -0.594 -0.552 -0.616 -0.577 -0.625 -0.634 -0.638 -0.599 -0.569 -0.596 -0.580 -0.575 -0.578 -0.548 -0.560 330 -0.093 -0.067 -0.094 -0.056 -0.095 -0.114 -0.112 -0.076 -0.064 -0.076 -0.065 -0.061 -0.069 -0.050 -0.064 340 0.439 0.448 0.461 0.487 0.457 0.445 0.442 0.460 0.482 0.467 0.468 0.468 0.454 0.474 0.463 350 0.871 0.875 0.881 0.890 0.891 0.889 0.889 0.890 0.900 0.892 0.884 0.888 0.888 0.886 0.887 360 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