# Mahon & Meskell Triangular Tube Array, Surface Pressure Coefficients # # Pitch ratio = 1.97 # # Tube displacement: y/d= 7 % # #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 0.863 0.878 0.863 0.880 0.896 0.889 0.883 0.896 0.897 0.892 0.913 0.910 0.905 0.904 20 0.574 0.597 0.581 0.572 0.559 0.577 0.554 0.542 0.569 0.567 0.558 0.584 0.575 0.571 0.572 30 0.037 0.073 0.034 0.030 -0.001 0.027 0.004 0.006 0.052 0.043 0.043 0.072 0.062 0.067 0.071 40 -0.484 -0.420 -0.501 -0.498 -0.557 -0.538 -0.563 -0.554 -0.497 -0.519 -0.512 -0.484 -0.493 -0.481 -0.474 50 -0.878 -0.808 -0.910 -0.898 -0.978 -0.959 -0.985 -0.973 -0.906 -0.937 -0.924 -0.893 -0.901 -0.887 -0.876 60 -1.192 -1.115 -1.239 -1.220 -1.288 -1.264 -1.289 -1.260 -1.209 -1.242 -1.235 -1.204 -1.204 -1.176 -1.190 70 -1.221 -1.128 -1.308 -1.302 -1.402 -1.385 -1.410 -1.391 -1.324 -1.376 -1.370 -1.339 -1.340 -1.313 -1.338 80 -1.190 -1.131 -1.285 -1.270 -1.363 -1.377 -1.412 -1.375 -1.324 -1.365 -1.365 -1.330 -1.358 -1.315 -1.319 90 -1.134 -1.023 -1.186 -1.174 -1.261 -1.268 -1.292 -1.261 -1.221 -1.257 -1.255 -1.243 -1.254 -1.226 -1.247 100 -0.965 -0.884 -0.985 -0.952 -1.011 -0.996 -1.024 -0.966 -0.947 -0.983 -0.989 -0.999 -0.994 -0.990 -1.017 110 -0.788 -0.667 -0.765 -0.707 -0.737 -0.718 -0.723 -0.703 -0.677 -0.707 -0.689 -0.710 -0.734 -0.703 -0.722 120 -0.669 -0.544 -0.595 -0.531 -0.541 -0.509 -0.509 -0.485 -0.455 -0.476 -0.457 -0.473 -0.489 -0.460 -0.477 130 -0.559 -0.437 -0.479 -0.418 -0.439 -0.409 -0.395 -0.373 -0.342 -0.357 -0.350 -0.343 -0.365 -0.343 -0.360 140 -0.519 -0.402 -0.426 -0.376 -0.387 -0.351 -0.350 -0.307 -0.279 -0.287 -0.283 -0.283 -0.272 -0.271 -0.283 150 -0.445 -0.338 -0.361 -0.316 -0.326 -0.296 -0.297 -0.271 -0.235 -0.249 -0.240 -0.229 -0.233 -0.220 -0.230 160 -0.398 -0.279 -0.303 -0.257 -0.272 -0.243 -0.247 -0.214 -0.183 -0.198 -0.190 -0.179 -0.183 -0.171 -0.183 170 -0.354 -0.245 -0.266 -0.231 -0.248 -0.217 -0.223 -0.196 -0.161 -0.175 -0.168 -0.154 -0.158 -0.148 -0.156 180 -0.367 -0.256 -0.268 -0.227 -0.245 -0.213 -0.216 -0.185 -0.149 -0.158 -0.155 -0.137 -0.144 -0.133 -0.141 190 -0.395 -0.291 -0.298 -0.258 -0.265 -0.228 -0.220 -0.194 -0.163 -0.177 -0.171 -0.150 -0.154 -0.143 -0.154 200 -0.453 -0.331 -0.340 -0.288 -0.297 -0.259 -0.256 -0.222 -0.192 -0.204 -0.195 -0.177 -0.179 -0.167 -0.176 210 -0.499 -0.380 -0.392 -0.333 -0.343 -0.305 -0.302 -0.266 -0.234 -0.247 -0.237 -0.219 -0.219 -0.209 -0.217 220 -0.551 -0.419 -0.421 -0.372 -0.389 -0.352 -0.352 -0.311 -0.271 -0.277 -0.275 -0.248 -0.254 -0.245 -0.253 230 -0.651 -0.500 -0.490 -0.435 -0.458 -0.423 -0.426 -0.378 -0.335 -0.338 -0.337 -0.306 -0.315 -0.308 -0.314 240 -0.762 -0.613 -0.673 -0.577 -0.602 -0.568 -0.569 -0.510 -0.445 -0.475 -0.450 -0.438 -0.422 -0.429 -0.436 250 -0.943 -0.799 -0.873 -0.769 -0.802 -0.772 -0.779 -0.715 -0.643 -0.680 -0.652 -0.645 -0.623 -0.632 -0.641 260 -1.058 -0.929 -1.035 -0.955 -1.005 -0.983 -0.998 -0.941 -0.879 -0.917 -0.899 -0.895 -0.880 -0.883 -0.895 270 -1.185 -1.101 -1.185 -1.151 -1.196 -1.172 -1.186 -1.144 -1.097 -1.120 -1.119 -1.100 -1.109 -1.093 -1.107 280 -1.248 -1.165 -1.274 -1.245 -1.304 -1.285 -1.293 -1.249 -1.213 -1.241 -1.234 -1.228 -1.232 -1.204 -1.230 290 -1.245 -1.159 -1.277 -1.252 -1.319 -1.303 -1.308 -1.266 -1.235 -1.265 -1.255 -1.251 -1.252 -1.219 -1.249 300 -1.195 -1.096 -1.205 -1.180 -1.245 -1.229 -1.235 -1.192 -1.161 -1.187 -1.177 -1.167 -1.167 -1.133 -1.158 310 -1.012 -0.916 -1.024 -0.989 -1.050 -1.038 -1.046 -1.008 -0.965 -0.989 -0.982 -0.968 -0.967 -0.957 -0.951 320 -0.662 -0.606 -0.672 -0.640 -0.692 -0.672 -0.693 -0.652 -0.611 -0.629 -0.623 -0.608 -0.609 -0.595 -0.599 330 -0.123 -0.072 -0.121 -0.107 -0.147 -0.127 -0.142 -0.163 -0.254 -0.296 -0.283 -0.260 -0.235 -0.188 -0.160 340 0.419 0.450 0.432 0.426 0.415 0.425 0.416 0.427 0.442 0.426 0.429 0.436 0.436 0.440 0.430 350 0.813 0.793 0.796 0.807 0.820 0.841 0.848 0.862 0.875 0.880 0.886 0.888 0.899 0.899 0.902 360 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