# Rectangular duct, roughened long base wall # # u1u2/Us^2 x1000 # # X2/B= 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 # X3/B .92 -.026 -.099 -.169 -.3 -.344 -.307 -.232 -.18 .171 .515 .91 -.031 -.067 -.176 -.317 -.33 -.29 -.191 -.112 .215 .589 .9 -.043 -.105 -.152 -.239 -.321 -.293 -.193 -.099 .295 .648 .88 -.028 -.109 -.196 -.281 -.334 -.272 -.114 -.033 .362 .777 .86 -.05 -.113 -.194 -.269 -.305 -.237 -.09 .064 .501 .866 .84 -.015 -.072 -.204 -.275 -.294 -.192 -.051 .143 .574 .978 .82 -.014 -.123 -.235 -.285 -.32 -.179 -.016 .235 .666 1.053 .8 .012 -.098 -.174 -.273 -.273 -.193 .017 .285 .721 1.154 .76 .005 -.06 -.178 -.259 -.282 -.138 .1 .4 .878 1.271 .72 -.033 -.107 -.161 -.257 -.258 -.113 .133 .474 1.003 1.332 .68 -.012 -.055 -.187 -.279 -.256 -.115 .176 .535 1.069 1.372 .64 .014 -.072 -.17 -.261 -.227 -.097 .192 .598 1.13 1.453 .6 -.02 -.081 -.181 -.224 -.219 -.113 .218 .642 1.224 1.521 .52 -.024 -.083 -.161 -.202 -.18 -.047 .296 .722 1.287 1.625 .44 -.026 -.072 -.108 -.176 -.103 .032 .345 .763 1.341 1.685 .36 -.019 -.044 -.072 -.041 -.031 .097 .399 .798 1.336 1.782 .28 .009 -.006 -.016 .014 .09 .215 .449 .803 1.339 1.805 .2 -.011 .016 .072 .108 .228 .338 .559 .864 1.358 1.822 .1 -.003 .084 .199 .272 .378 .486 .666 .824 1.352 1.895 0 .029 .154 .296 .466 .567 .688 .725 .819 1.326 1.867 -.1 .029 .188 .401 .647 .823 .829 .883 .784 1.31 1.891 -.2 .028 .223 .521 .789 .895 1.011 .944 .762 1.189 1.883 -.28 .02 .304 .596 .863 .99 1.005 .907 .69 1.115 1.792 -.36 .012 .339 .642 .866 1.133 1.16 1.078 .678 .976 1.724 -.44 .013 .296 .65 .882 1.196 1.202 1.049 .64 .921 1.588 -.52 .029 .36 .696 .997 1.226 1.298 1.086 .546 .763 1.509 -.6 .017 .337 .605 .963 1.306 1.335 1.014 .435 .563 1.305 -.64 .029 .377 .608 .905 1.287 1.256 1.09 .449 .397 1.241 -.68 .015 .38 .627 .937 1.153 1.402 1.105 .4 .441 1.069 -.72 .026 .359 .61 .845 1.184 1.25 1.122 .344 .277 1.024 -.76 .017 .353 .518 .944 1.054 1.163 1.003 .307 .189 .92 -.8 .019 .249 .505 .841 1.035 1.197 .972 .357 -.021 .661 -.82 .023 .182 .482 .834 1.04 1.253 1.002 .262 -.01 .606 -.84 .023 .37 .493 .771 .911 1.07 1.029 .281 -.065 .519 -.86 .017 .321 .534 .686 .956 1.12 .767 .217 -.035 .419 -.88 .02 .342 .427 .692 .729 1.009 .841 .173 -.138 .239 -.9 .022 .318 .395 .66 .776 .867 .766 .165 -.277 .136 -.91 .02 .245 .268 .643 .663 .716 .755 .116 -.284 .033 -.92 .021 .28 .555 .677 .695 .736 .512 .276 -.152 -.042 # Us (m/sec) 16.97 17.01 16.91 16.72 16.67 16.44 17.03 17.18 17.11 17.02 # Ub (m/sec) 14.03 14.02 13.80 13.79 13.77 13.73 14.20 14.22 14.21 14.22