Boundary condition data for swirl stabilised turbulent flames Jet CNG/AIR (1:2 vol) Swirl # 1.59 Uj 66.3 Us 16.26 Ue 20 Uj bulk jet velocity Us bulk (primary) axial velocity in annulus Ue average (secondary) axial velocity in co-flow u mean axial velocity rms (u) rms axial velocity v mean radial velocity (+ve outwards from centre line). rms (v) rms radial velocity w mean rotational velocity rms (w) rms rotational velocity u`v` u`w` Reynolds shear stresses axial radial pos pos u rms(u) v rms(v) w rms(w) u`v` u`w` (mm) (mm) (m/s) (m/s) (m/s) (m/s) (m/s) (m/s) (m2/s2) (m2/s2) 6.8 0 87.938 4.026 -0.971 3.343 1.325 3.053 -1.216 0.489 6.8 0.508 88.96 3.731 -1.267 3.241 1.187 3.255 1.241 0.697 6.8 1.016 84.308 5.405 -1.532 3.675 0.767 4.142 3.389 0.564 6.8 1.524 74.16 7.783 -1.652 4.474 0.454 5.533 8.57 3.033 6.8 2.032 57.251 12.46 0.182 5.874 1.092 8.093 18.956 1.917 6.8 2.54 30.686 13.473 3.536 6.346 11.328 9.851 26.566 -12.083 6.8 3.048 10.482 9.072 4.682 5.901 21.959 8.487 21.184 -8.405 6.8 3.556 2.959 5.829 3.459 4.535 22.955 6.032 3.974 -7.846 6.8 4.064 0.957 4.762 2.911 3.733 22.015 5.518 0.063 -4.902 6.8 4.572 -0.311 3.927 2.487 3.538 20.572 4.365 -0.432 -3.218 6.8 5.08 -1.351 3.709 2.057 3.633 19.043 3.773 -0.411 -3.367 6.8 6.096 -1.479 3.33 2.15 3.11 15.773 3.888 -0.419 -2.884 6.8 7.112 -1.497 3.033 1.843 3.105 13.019 2.997 -0.367 -1.539 6.8 8.128 -1.087 2.693 1.964 3.08 11.224 2.484 -0.003 -1.087 6.8 9.144 -1.005 2.778 1.613 3.145 10.652 2.421 0.312 -1.388 6.8 10.16 -0.928 2.52 1.773 2.916 9.762 2.207 0.464 -0.887 6.8 11.176 -0.48 2.476 1.591 2.869 9.057 2.172 0.613 -1.022 6.8 12.192 -0.428 2.33 1.778 2.771 8.568 2.12 0.901 -1.034 6.8 13.208 -0.447 2.455 1.616 2.72 8.27 2.066 0.733 -0.949 6.8 14.224 -0.346 2.157 1.551 2.715 7.989 2.025 1.33 -0.466 6.8 16.256 -0.822 2.545 1.743 2.319 7.498 2.071 1.292 -0.675 6.8 18.288 -0.828 2.175 1.688 2.075 7.134 1.988 1.694 -0.347 6.8 20.32 -1.238 2.476 1.546 1.718 7.168 1.916 1.218 -0.223 6.8 22.352 -2.229 3.149 1.3 1.323 7.131 2.122 1.282 -0.076 6.8 23.368 -1.928 2.873 1.199 1.116 7.376 2.143 0.951 -0.106 6.8 23.876 -1.971 2.757 1.17 1.164 7.526 2.265 0.715 -0.258 6.8 24.384 -0.606 2.219 1.139 1.448 8.03 2.243 0.444 -0.139 6.8 24.892 2.231 2.656 1.004 2.068 10.333 2.739 -0.492 1.629 6.8 25.4 7.659 3.295 0.71 2.44 14.998 3.239 -1.683 7.216 6.8 25.908 12.12 3.205 0.968 2.342 19.118 3.207 -2.355 3.983 6.8 26.416 15.636 3.178 1.43 2.153 23.067 3.172 -2.172 4.146 6.8 26.924 18.44 2.7 1.78 2.043 27.017 2.952 -1.143 2.965 6.8 27.432 19.675 2.276 1.903 2.149 29.628 2.542 -0.061 1.232 6.8 27.94 20.349 2.076 1.938 2.352 30.717 2.135 0.506 0.211 6.8 28.448 20.686 2.195 1.955 2.649 30.715 2.388 1.895 0.78 6.8 28.956 20.495 2.931 2.066 3.097 29.486 3.482 3.793 3.547 6.8 29.464 19.816 4.152 2.227 3.852 26.707 5.14 7.474 9.088 6.8 29.972 18.218 5.307 2.506 4.719 21.329 6.519 10.115 15.127 6.8 30.48 16.464 5.639 2.627 5.131 14.258 7.263 7.46 9.177 6.8 30.988 15.613 5.25 2.845 4.954 8.085 6.88 3.396 2.427 6.8 31.496 15.385 4.351 2.966 4.329 2.363 5.797 0.542 -2.318 6.8 32.004 15.802 3.394 3.405 3.623 -1.64 4.099 -0.823 -2.731 6.8 32.512 17.112 2.548 0.417 1.332 -2.523 2.317 -0.897 -1.151 6.8 33.528 18.709 1.612 0.228 0.83 -2.247 1.489 -0.479 -0.857 6.8 34.544 19.26 1.385 0.193 0.731 -2.236 1.335 -0.368 -0.543 6.8 36.576 19.583 1.283 0.153 0.66 -2.032 1.241 -0.16 -0.135 6.8 38.608 19.621 1.281 0.179 0.614 -1.675 1.288 -0.103 -0.13 6.8 40.64 19.537 1.319 0.238 0.613 -1.207 1.386 -0.089 -0.033