# Rectangular duct, roughened long base wall # # RMSu2/Us # # X2/B= 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 # X3/B .92 .059 .0592 .06 .0614 .0615 .0614 .0602 .0589 .0549 .0502 .91 .0585 .0586 .0593 .0607 .0608 .0602 .0591 .0579 .0536 .0493 .9 .0579 .0583 .0586 .06 .0604 .0597 .0583 .0561 .0521 .0484 .88 .0571 .0577 .0578 .0591 .0592 .0587 .0564 .0542 .0505 .0473 .86 .0565 .0568 .057 .0585 .0583 .0574 .0551 .0527 .0491 .0466 .84 .0561 .0564 .0564 .0579 .0574 .0563 .0539 .0511 .0479 .0463 .82 .0558 .056 .0561 .0571 .057 .0555 .053 .0501 .0473 .0465 .8 .0554 .0553 .0554 .0565 .0561 .0546 .052 .0493 .0469 .0465 .76 .0544 .0544 .0543 .0552 .0547 .053 .0504 .0479 .0464 .0466 .72 .0533 .0535 .0532 .0542 .0536 .0515 .049 .0472 .0467 .047 .68 .0523 .0522 .0521 .0528 .0518 .0503 .0481 .0465 .0467 .0476 .64 .0512 .0512 .0509 .0518 .0507 .049 .0467 .0461 .047 .0478 .6 .0499 .05 .0498 .0505 .0494 .0478 .0459 .0461 .0473 .0484 .52 .0478 .0478 .047 .048 .0469 .0455 .0447 .0457 .0478 .0488 .44 .0457 .0454 .0449 .0458 .0448 .0438 .0436 .0454 .0481 .0493 .36 .0439 .0436 .0432 .044 .0434 .0433 .0435 .0453 .0483 .05 .28 .0429 .0422 .0425 .0435 .0437 .0435 .0444 .0462 .0488 .0505 .2 .0428 .0422 .0424 .0443 .0448 .0453 .0462 .0479 .0498 .0513 .1 .0443 .0439 .0445 .0468 .0481 .0492 .0503 .0506 .0516 .0526 0 .0479 .0474 .0482 .0516 .0529 .0545 .0551 .0545 .0544 .0539 -.1 .0527 .0525 .0537 .0574 .0593 .0603 .0607 .0598 .058 .056 -.2 .0597 .0586 .0597 .0632 .0657 .0674 .0674 .0657 .062 .0585 -.28 .0644 .0639 .0654 .0687 .0703 .0718 .0723 .0697 .065 .0597 -.36 .0705 .0694 .0698 .0734 .0751 .0766 .0769 .074 .0679 .0614 -.44 .0757 .075 .0752 .0783 .0797 .0813 .0809 .0786 .0725 .0634 -.52 .0798 .0804 .0801 .0829 .0839 .085 .0847 .0818 .0754 .0654 -.6 .0844 .0845 .085 .0867 .0872 .0882 .0877 .0853 .0784 .0675 -.64 .0867 .0872 .0873 .0887 .0892 .0892 .0894 .0865 .08 .0688 -.68 .0892 .0893 .089 .0904 .0912 .091 .0906 .0881 .0818 .0698 -.72 .0911 .0916 .0913 .0923 .0926 .0925 .0911 .0891 .0831 .0714 -.76 .0938 .0938 .0937 .0941 .0937 .0933 .0925 .0894 .0841 .0728 -.8 .0955 .095 .0957 .0962 .0955 .0943 .0931 .0912 .0853 .0742 -.82 .0966 .0956 .0965 .0967 .0961 .0946 .0936 .0911 .0865 .0748 -.84 .0978 .0974 .0974 .0975 .0962 .0952 .0937 .0919 .0866 .076 -.86 .0982 .0983 .0978 .0982 .0968 .0952 .0941 .0918 .0872 .0768 -.88 .0984 .0995 .0985 .0981 .0971 .0956 .094 .0919 .0876 .0773 -.9 .0991 .0997 .0993 .0986 .0976 .0957 .0943 .092 .0882 .0786 -.91 .0997 .1 .0994 .0992 .0975 .0956 .0942 .0923 .0887 .0793 -.92 .0992 .0997 .0996 .0995 .0973 .0956 .0936 .0919 .0885 .0795 # 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