# Rectangular duct, roughened long base wall # # RMSu2/Us # # X3/B= 0.8 0.6 0.4 0.2 0 -0.2 -0.4 -0.6 -0.8 # X2/B 0 .0567 .0505 .0448 .0433 .0486 .0606 .0735 .0883 .0988 .08 .0564 .0503 .0448 .0437 .0491 .0606 .074 .0881 .099 .16 .0563 .0504 .0446 .0436 .0489 .0607 .074 .0883 .0991 .24 .0564 .0507 .0448 .0434 .0493 .0612 .075 .0883 .099 .32 .0567 .0504 .0446 .0436 .0499 .0616 .0751 .0883 .0985 .4 .0567 .0504 .0444 .0434 .0504 .0623 .0753 .0885 .0984 .48 .0568 .0502 .0444 .0438 .0505 .0628 .0758 .0881 .0978 .56 .0568 .0499 .0441 .0441 .0514 .0638 .0761 .0884 .0976 .64 .0566 .0496 .0437 .044 .0517 .064 .0772 .0886 .097 .72 .0566 .0492 .0433 .0443 .0523 .0652 .0775 .0889 .0968 .8 .0562 .0487 .0432 .0445 .053 .0659 .0779 .089 .0965 .88 .0557 .0481 .0426 .0446 .054 .0665 .0788 .0888 .096 .96 .0551 .0474 .0425 .0448 .0539 .067 .0793 .0894 .0957 1.04 .0543 .0467 .0421 .0449 .0545 .0669 .0792 .0892 .0951 1.12 .053 .0458 .042 .0452 .0546 .0669 .079 .0891 .0945 1.2 .0521 .0453 .0424 .0454 .0547 .0674 .0785 .0889 .0942 1.28 .0508 .0448 .043 .0461 .0549 .0664 .078 .088 .0935 1.36 .0496 .045 .0437 .0468 .0546 .0657 .0767 .0862 .0921 1.44 .0486 .0454 .0449 .048 .0543 .0643 .0753 .0851 .0908 1.52 .0477 .0462 .046 .0486 .0541 .063 .0729 .0825 .0889 1.6 .0475 .0469 .0472 .0493 .0544 .0618 .0706 .0791 .0859 1.64 .0471 .0473 .0478 .0501 .0544 .0609 .0687 .0771 .0843 1.68 .047 .0474 .0483 .0503 .0541 .06 .0677 .0751 .083 1.72 .0469 .0478 .0487 .0509 .0539 .0594 .0656 .0732 .0803 1.76 .0467 .0479 .0489 .051 .0542 .0585 .0641 .0704 .0776 1.8 .0466 .0478 .0489 .0511 .054 .0577 .0625 .0679 .0747 1.82 .0467 .0481 .0489 .0511 .0537 .0572 .0617 .0668 .0728 1.84 .0464 .0479 .049 .0509 .0536 .0568 .0609 .0651 .0716 1.86 .0468 .0481 .0489 .0506 .0532 .056 .0596 .064 .0691 1.88 .0467 .0482 .049 .0505 .053 .0551 .0586 .0627 .0669 # Us (m/sec) 17.42 17.66 16.63 16.85 16.25 17.30 16.59 17.04 17.27 # Ub (m/sec) 14.27 14.28 14.04 14.10 13.83 14.26 13.79 14.08 14.04