# Rectangular duct, roughened long base wall # # U2/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 0.1796 0.229 -0.0244 -0.0405 -0.0114 0.0268 0.0176 -0.0048 -0.0016 0.0648 0.1709 0.1211 0.2401 0.1589 0.2326 -0.0615 0.1341 0.1981 0.4541 0.1 -0.3055 -0.1402 -0.3398 -0.223 -0.1153 0.006 0.073 0.0957 0.0716 0.13 0.2182 0.1784 0.3332 0.2927 0.2068 -0.0076 0.1673 0.4281 0.5865 0.2 -0.6403 -0.5907 -0.6499 -0.4 -0.0684 0.0434 0.1512 0.1094 0.1971 0.1631 0.306 0.2127 0.3567 0.2634 0.3148 0.2531 0.4213 0.5299 0.5337 0.3 -1.1219 -0.9477 -0.9372 -0.5582 -0.163 0.07 0.2235 0.2505 0.2232 0.3295 0.3253 0.2517 0.3884 0.2805 0.3137 0.2982 0.4828 0.7353 0.8302 0.4 -1.4267 -1.3252 -1.1657 -0.6315 -0.2932 0.1198 0.3019 0.3076 0.3047 0.361 0.3798 0.228 0.3816 0.4338 0.426 0.3551 0.6288 0.7952 0.8747 0.5 -2.0178 -1.6914 -1.344 -0.7951 -0.2586 0.1237 0.3538 0.3815 0.4161 0.3187 0.449 0.2584 0.3321 0.323 0.3787 0.4099 0.7219 0.9453 0.9696 0.6 -2.4617 -2.0086 -1.4794 -0.8155 -0.2703 0.1853 0.3918 0.49 0.4815 0.3872 0.4462 0.3263 0.4039 0.3304 0.4712 0.4886 0.6986 0.9315 1.0317 0.7 -2.8091 -2.2858 -1.6765 -0.879 -0.2641 0.1827 0.4372 0.5149 0.5073 0.5132 0.5277 0.3599 0.4473 0.3426 0.5072 0.4693 0.781 1.0111 1.0602 0.8 -3.1695 -2.5077 -1.7269 -0.8696 -0.2489 0.204 0.4977 0.6222 0.5872 0.5049 0.5988 0.3748 0.4436 0.3867 0.4895 0.4928 0.7662 0.977 1.0795 0.9 -3.6669 -2.7229 -1.7928 -0.9017 -0.238 0.2853 0.5033 0.5589 0.6615 0.5599 0.7184 0.5174 0.5223 0.6028 0.5175 0.4467 0.8167 1.0813 1.2154 1 -3.9343 -2.8069 -1.8138 -0.8974 -0.222 0.2364 0.4919 0.6136 0.5871 0.6586 0.6857 0.558 0.6473 0.5614 0.5844 0.4419 0.7336 1.0831 1.1153 1.1 -4.1311 -2.8018 -1.8249 -0.9341 -0.2275 0.1786 0.4404 0.5897 0.6494 0.6381 0.8547 0.6559 0.7393 0.5578 0.676 0.5267 0.6566 0.8989 0.8006 1.2 -4.1854 -2.761 -1.8086 -0.9493 -0.352 0.109 0.3898 0.5065 0.6704 0.7721 0.934 0.7821 0.9224 0.8433 0.7979 0.5545 0.6266 0.7412 0.6914 1.3 -4.103 -2.6888 -1.8051 -1.0894 -0.473 -0.011 0.2547 0.4662 0.5333 0.823 1.0576 0.919 1.067 0.9055 0.9178 0.6271 0.6389 0.6545 0.3542 1.4 -3.9244 -2.4784 -1.84 -1.2222 -0.6726 -0.2037 0.109 0.3672 0.5281 0.8158 1.1352 1.1806 1.1874 1.0749 0.9934 0.838 0.6366 0.5014 -0.0654 1.5 -3.3964 -2.2684 -1.8666 -1.3743 -0.9882 -0.4739 -0.0588 0.287 0.4412 0.7022 1.1435 1.1725 1.3282 1.3249 1.1803 0.9027 0.7117 0.3516 -0.3316 1.6 -2.7497 -1.9849 -1.8804 -1.6137 -1.1892 -0.6667 -0.2801 0.0438 0.2967 0.5455 1.0759 1.0991 1.3975 1.3616 1.3215 1.0758 0.9049 0.4604 -0.3317 1.7 -1.8793 -1.4836 -1.9533 -1.7726 -1.415 -0.928 -0.5362 -0.2014 0.0614 0.3558 0.7545 0.966 1.1797 1.3107 1.3099 1.2043 1.0234 0.6631 -0.3715 1.8 -0.8273 -1.0855 -1.8668 -1.7956 -1.5389 -1.0171 -0.5893 -0.4747 -0.207 -0.0554 0.5662 0.6733 0.8793 1.0093 1.0361 1.0534 1.0984 0.9013 0.0588 1.9 0.2153 -0.4898 -1.3683 -1.4286 -1.134 -0.8313 -0.7241 -0.6372 -0.5081 -0.3143 0.288 0.2631 0.4796 0.5414 0.5471 1.2573 1.6026 1.5495 1.3193 # Us (m/sec) 17.07 # Ub (m/sec) 14.17