# Rectangular duct, roughened long base wall # # U3/Us x100 # # X3/B= 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 -0.1 -0.2 -0.3 -0.4 -0.5 -0.6 -0.7 -0.8 -0.9 # X2/B 0 -0.598 -0.9795 -1.3992 -1.5781 -1.9137 -1.9694 -1.9437 -1.8976 -2.069 -2.127 -2.0572 -2.0548 -1.9945 -2.1091 -2.2223 -2.4022 -2.5997 -3.2232 -5.2975 0.1 -0.639 -0.9936 -1.2899 -1.6276 -1.8812 -1.9989 -1.9548 -1.8193 -2.0835 -2.1097 -1.9985 -2.0495 -2.0775 -2.1078 -2.1228 -2.5676 -2.541 -3.2189 -5.2681 0.2 -0.6419 -0.9682 -1.3504 -1.6007 -1.9021 -2.005 -1.9652 -1.8505 -2.0368 -2.0499 -2.077 -2.0166 -2.0077 -2.0361 -2.2231 -2.5609 -2.5364 -3.3019 -5.2709 0.3 -0.6287 -0.9979 -1.305 -1.615 -1.8687 -1.9103 -1.832 -1.7789 -1.99 -2.0198 -1.9416 -2.0418 -2.032 -2.0297 -2.1258 -2.3474 -2.6158 -3.2277 -5.2196 0.4 -0.6728 -1.0827 -1.3507 -1.5353 -1.7853 -1.842 -1.8139 -1.7264 -1.9355 -1.9842 -1.8763 -1.959 -1.9512 -2.0458 -2.0784 -2.3427 -2.641 -3.3216 -5.3697 0.5 -0.6534 -1.0552 -1.3839 -1.5329 -1.7563 -1.7513 -1.6743 -1.6759 -1.8711 -1.9071 -1.7632 -1.843 -1.8888 -1.9411 -2.0413 -2.259 -2.5323 -3.3825 -5.2673 0.6 -0.7106 -1.0055 -1.2882 -1.4179 -1.6269 -1.6632 -1.5808 -1.571 -1.7679 -1.8009 -1.82 -1.7753 -1.8421 -1.8503 -1.8837 -2.1705 -2.4881 -3.1486 -5.1168 0.7 -0.7141 -0.9513 -1.1835 -1.2957 -1.4679 -1.4949 -1.4157 -1.469 -1.6243 -1.7282 -1.532 -1.684 -1.6377 -1.7805 -1.7506 -1.9566 -2.3245 -3.0119 -4.9794 0.8 -0.6827 -0.8829 -1.0651 -1.1674 -1.3085 -1.3866 -1.3273 -1.3525 -1.5849 -1.5818 -1.444 -1.552 -1.5524 -1.5449 -1.6551 -1.7572 -2.2274 -2.8427 -4.9915 0.9 -0.6373 -0.9183 -0.9637 -0.9036 -1.1076 -1.2317 -1.3013 -1.2091 -1.4665 -1.5086 -1.3334 -1.4195 -1.3436 -1.5033 -1.4417 -1.5499 -1.8094 -2.5503 -4.7456 1 -0.573 -0.7348 -0.7854 -0.7863 -0.9996 -1.0882 -1.31 -1.1538 -1.3733 -1.4595 -1.2776 -1.3537 -1.3044 -1.2844 -1.3311 -1.3729 -1.4992 -2.4583 -4.7637 1.1 -0.5004 -0.5904 -0.5647 -0.5946 -0.8437 -0.9759 -1.2322 -1.1137 -1.4045 -1.3999 -1.2186 -1.2746 -1.2155 -1.0723 -1.2325 -1.2538 -1.3624 -2.1201 -4.2662 1.2 -0.4165 -0.3213 -0.3515 -0.3843 -0.6979 -0.8364 -1.1596 -1.0732 -1.3966 -1.4571 -1.2265 -1.2315 -1.1779 -0.9782 -0.9298 -1.1294 -1.196 -1.9708 -3.8639 1.3 -0.3002 -0.1224 -0.0764 -0.1378 -0.4634 -0.7057 -1.0662 -1.0335 -1.3807 -1.4378 -1.2768 -1.3748 -1.229 -1.2098 -1.0631 -1.1769 -1.3186 -1.8082 -3.7848 1.4 -0.201 0.2025 0.2148 0.1403 -0.2442 -0.5263 -0.9782 -0.8999 -1.2993 -1.4745 -1.2974 -1.4634 -1.3786 -1.2392 -1.1992 -1.5339 -1.5233 -2.0929 -3.6937 1.5 0.0365 0.5312 0.5339 0.4286 0.0228 -0.2476 -0.5865 -0.6831 -1.1553 -1.3321 -1.2657 -1.4652 -1.487 -1.4563 -1.5016 -1.8318 -1.867 -2.3104 -3.7374 1.6 0.2117 0.8787 0.884 0.8442 0.4662 0.1673 -0.2176 -0.272 -0.7626 -1.0047 -0.9735 -1.2727 -1.5232 -1.6642 -1.6422 -2.2317 -2.2811 -2.7169 -3.9575 1.7 0.4396 1.1202 1.2791 1.3158 0.9886 0.8637 0.5845 0.4428 0.0229 -0.3349 -0.3381 -0.7898 -1.1689 -1.4017 -1.8284 -2.3061 -2.7492 -3.3779 -4.3195 1.8 0.4148 1.1747 1.4545 1.7233 1.8833 1.8273 1.6894 1.5682 1.0576 0.7991 0.808 0.322 -0.1905 -0.6286 -1.2288 -0.448 -0.6767 -1.0371 -1.6928 1.9 0.0657 0.3995 0.9165 1.747 2.3437 2.7261 2.8506 2.9511 2.7606 2.5691 2.7511 2.203 1.6607 1.1515 0.5022 0.6253 0.592 0.0286 -1.4722 # Us (m/sec) 17.12 # Ub (m/sec) 14.22