# Mahon & Meskell Triangular Tube Array, Surface Pressure Coefficients # # Pitch ratio = 1.97 # # Tube displacement: y/d= 0 % # #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 0.861 0.868 0.836 0.838 0.830 0.845 0.849 0.843 0.857 0.854 0.868 0.863 0.864 0.874 0.856 20 0.535 0.554 0.487 0.485 0.461 0.463 0.460 0.461 0.477 0.461 0.479 0.471 0.472 0.481 0.460 30 -0.056 -0.025 -0.113 -0.100 -0.129 -0.127 -0.126 -0.105 -0.078 -0.105 -0.083 -0.086 -0.083 -0.070 -0.093 40 -0.605 -0.564 -0.696 -0.674 -0.713 -0.743 -0.752 -0.705 -0.665 -0.699 -0.671 -0.651 -0.648 -0.629 -0.650 50 -0.944 -0.868 -1.027 -1.008 -1.062 -1.084 -1.078 -1.035 -1.004 -1.048 -1.017 -1.019 -1.016 -0.993 -1.011 60 -1.212 -1.156 -1.300 -1.266 -1.332 -1.329 -1.320 -1.263 -1.249 -1.277 -1.243 -1.247 -1.238 -1.189 -1.220 70 -1.217 -1.149 -1.320 -1.298 -1.380 -1.385 -1.385 -1.337 -1.324 -1.358 -1.327 -1.337 -1.332 -1.281 -1.318 80 -1.175 -1.105 -1.298 -1.268 -1.358 -1.368 -1.374 -1.347 -1.312 -1.340 -1.331 -1.335 -1.339 -1.329 -1.331 90 -1.099 -1.018 -1.190 -1.177 -1.241 -1.254 -1.257 -1.222 -1.190 -1.233 -1.212 -1.219 -1.225 -1.205 -1.238 100 -0.943 -0.853 -1.016 -0.945 -0.999 -1.003 -1.013 -0.988 -0.933 -0.979 -0.965 -0.965 -0.979 -0.972 -0.999 110 -0.807 -0.640 -0.748 -0.689 -0.737 -0.736 -0.710 -0.703 -0.647 -0.670 -0.685 -0.696 -0.715 -0.715 -0.736 120 -0.656 -0.505 -0.577 -0.512 -0.540 -0.528 -0.498 -0.487 -0.429 -0.446 -0.457 -0.465 -0.478 -0.477 -0.499 130 -0.532 -0.390 -0.451 -0.394 -0.418 -0.401 -0.375 -0.362 -0.311 -0.328 -0.330 -0.335 -0.345 -0.342 -0.363 140 -0.478 -0.344 -0.398 -0.340 -0.363 -0.346 -0.324 -0.305 -0.260 -0.272 -0.276 -0.281 -0.285 -0.278 -0.300 150 -0.426 -0.307 -0.357 -0.304 -0.320 -0.304 -0.283 -0.263 -0.218 -0.235 -0.227 -0.227 -0.229 -0.224 -0.240 160 -0.390 -0.288 -0.332 -0.284 -0.279 -0.259 -0.251 -0.228 -0.191 -0.208 -0.196 -0.190 -0.197 -0.188 -0.208 170 -0.363 -0.269 -0.314 -0.263 -0.266 -0.252 -0.231 -0.208 -0.172 -0.185 -0.165 -0.167 -0.160 -0.154 -0.169 180 -0.352 -0.252 -0.298 -0.248 -0.261 -0.243 -0.229 -0.206 -0.165 -0.182 -0.164 -0.162 -0.157 -0.152 -0.167 190 -0.365 -0.279 -0.320 -0.273 -0.281 -0.258 -0.237 -0.212 -0.176 -0.189 -0.170 -0.169 -0.165 -0.155 -0.169 200 -0.396 -0.300 -0.344 -0.293 -0.304 -0.278 -0.259 -0.234 -0.200 -0.213 -0.193 -0.196 -0.187 -0.181 -0.195 210 -0.459 -0.362 -0.393 -0.345 -0.354 -0.326 -0.304 -0.277 -0.245 -0.253 -0.231 -0.233 -0.223 -0.219 -0.232 220 -0.473 -0.405 -0.427 -0.374 -0.387 -0.361 -0.350 -0.311 -0.286 -0.297 -0.270 -0.256 -0.258 -0.253 -0.260 230 -0.570 -0.517 -0.534 -0.471 -0.481 -0.455 -0.444 -0.389 -0.376 -0.379 -0.342 -0.318 -0.323 -0.318 -0.319 240 -0.682 -0.583 -0.621 -0.598 -0.619 -0.576 -0.523 -0.503 -0.482 -0.469 -0.433 -0.445 -0.406 -0.419 -0.425 250 -0.843 -0.746 -0.805 -0.792 -0.834 -0.792 -0.735 -0.718 -0.693 -0.683 -0.643 -0.661 -0.607 -0.629 -0.630 260 -0.987 -0.909 -1.007 -0.999 -1.056 -1.034 -0.994 -0.976 -0.943 -0.953 -0.921 -0.937 -0.890 -0.909 -0.910 270 -1.190 -1.131 -1.235 -1.210 -1.272 -1.278 -1.259 -1.222 -1.177 -1.214 -1.201 -1.194 -1.200 -1.190 -1.199 280 -1.250 -1.180 -1.327 -1.293 -1.367 -1.384 -1.371 -1.345 -1.274 -1.331 -1.326 -1.303 -1.315 -1.319 -1.328 290 -1.265 -1.186 -1.343 -1.302 -1.377 -1.397 -1.379 -1.360 -1.273 -1.339 -1.339 -1.305 -1.318 -1.326 -1.337 300 -1.171 -1.087 -1.243 -1.197 -1.263 -1.279 -1.262 -1.246 -1.155 -1.216 -1.215 -1.179 -1.189 -1.192 -1.206 310 -0.916 -0.849 -0.983 -0.949 -1.018 -1.025 -1.004 -0.976 -0.927 -0.958 -0.921 -0.936 -0.940 -0.927 -0.950 320 -0.476 -0.436 -0.552 -0.522 -0.575 -0.561 -0.559 -0.536 -0.497 -0.526 -0.509 -0.502 -0.506 -0.488 -0.510 330 0.027 0.048 -0.023 -0.004 -0.033 -0.028 -0.021 -0.006 0.023 0.010 0.008 0.019 0.016 0.028 0.007 340 0.562 0.578 0.527 0.540 0.515 0.526 0.527 0.523 0.548 0.538 0.527 0.535 0.527 0.536 0.509 350 0.937 0.937 0.927 0.925 0.924 0.927 0.919 0.914 0.915 0.909 0.915 0.924 0.927 0.927 0.915 360 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