Document 5Lv8zz5o6231R0zK4Yvokdkre
788
/ ' CHAPTER 31
1957 Guide '
Table 1. Circular Equivalents of Rectangular Ducts for Equal Friction and Capacity (Continued)
Side
Rectan- 10.0 10.5 iia 11.5 12.0 12-5 13.0 13.5 14.0 14.5 15.0 15.5 160
ghlab Duct
3.0 5.7 5.9 6.0 6.1 6.2 6.3 6.4 6.5 6.6 6.7 6.8 6.9 7.0 3.5 6.3 6.4 6.5 6.7 6.8 6.9 7.0 7.1 7.2 7.3 7.4 7.5 7.6 4.0 6.8 6.9 7.1 7.2 7.3 7.5 7.6 7.7 7.8 7.9 8.1 8.2 8.3 4.5 7.2 7.4 7.5 7.7 7.8 8.0 8.1 8.2 8.4 8.5 8.6 8.7 8.9 5.0 7.6 7.8 8.0 8.1 8.3 8.4 8.6 8.7 8.9 9.0 9.1 9.3 9.4 5.5 8.0 8.2 8.4 8.6 8.7 8.8 9.0 9.2 9.4 9.5 9.6 9.8 9.8
Side
Reo
TAN-
6
7
8
9 10 11 12 13 14 15 16 17
i
6 6.6 7 7.1 7.7 8 7.5 8.2 8.8 9 8.0 8.6 9.3 9.9 10 8.4 9.1 9.8 10.4 10.9 11 8.8 9.5 10.2 10.8 11.4 12.0 12 9.1 9.9 10.7 11.3 11.9 12.5 13.1 13 9.5 10.3 11.1 11:8 12.4 13.0 13.6 14.2 14 9.8 10.7 11.5 12.2 12.9 13.5 14.2 14.7 15.3 15 10.1 11.0 11.8 12.6 13.3 14.0 14.6 15.3 15.8 16.4 16 10.4 11.4 12.2 13.0 13.7 14.4 15.1 15.7 16.3 16.9 17.5 17 10.7 11.7 12.5 13.4 14.1 14.9 15.5 16.1 16.8 17.4 18.0 18.6 18 11.0 11.9 12.9 13.7 14.5 15.3 16.0 16.6 17.3 17.9 18.5 19.1 19 11.2 12.2 13.2 14.1 14.9 15.6 16.4 17.1 17.8 18.4 19.0 19.6 20 11.5 12.5 13.5 14.4 15.2 15.9 16.8 17.5 18.2 18.8 19.5 20.1 22 12.0 13.1 14.1 15.0 15.9 16.7 17.6 18.3 19.1 19.7 20.4 21.0 24 12.4 13.6 14.6 15.6 16.6 17.5 18.3 19.1 19.8 20.6 21.3 21.9 26 12.8 14.1 15.2 16.2 17.2 18.1 19.0 19.8 20.6 21.4 22.1 22.8 28 13.2 14.5 15.6 16.7 17.7 18.7 19.6 20.5 21.3 22.1 22.9 23.6 30 13.6 14.9 16.1 17.2 18.3 19.3 20.2 21.1 22.0 22.9 23.7 24.4 32 14.0 15.3 16.5 17.7 18.8 19.8 20.8 21.8 22.7 23.6 24.4 25.2 34 14.4 15.7 17.0 18.2 19.3 20.4 21.4 22.4 23.3 24.2 25.1 25.9 36 14.7 16.1 17.4 18.6 19.8 20.9 21.9 23.0 23.9 24.8 25.8 26.6 38 15.0 16.4 17.8 19.0 20.3 21.4 22.5 23.5 24.5 25.4 26.4 27.3 40 15.3 16.8 18.2 19.4 20.7 21.9 23.0 24.0 25.1 26.0 27.0 27.9 42 15.6 17.1 18.5 19.8 21.1 22.3 23.4 24.5 25.6 26.6 27.6 28.5 44 15.9 17.5 18.9 20.2 21.5 22.7 23.9 25.0 26.1 27.2 28.2 29.1 46 16.2 17.8 19.2 20.6 21.9 23.2 24.3 25.5 26.7 27.7 28.7 29.7 48 16.5 18.1 19.6 20.9 22.3 23.6 24.8 26.0 27.2 28.2 29.2 30.2 50 16.8 18.4 19.9 21.3 22.7 24.0 25.2 26.4 27.6 28.7 29.8 30.8 52 17.0 18.7 20.2 21.6 23.1 24.4 25.6 26.8 28.1 29.2 30.3 31.4 54 17.3 19.0 20.5 22.0 23.4 24.8 26.1 27.3 28.5 29.7 30.8 31.9 56 17.6 19.3 20.9 22.4 23.8 25.2 26.5 27.7 28.9 30.1 31.2 32.4 58 17.8 19.5 21.1 22.7 24.2 25.5 26.9 28.2 29.3 30.5 31.7 32.9 60 18.1 19.8 21.4 23.0 24.5 25.8 27.3 28.7 29.8 31.0 32.2 33.4 62 18.3 20.1 21.7 23.3 24.8 26.2 27.6 29.0 30.2 31.4 32.6 33.8 64 18.6 20.3 22.0 23.6 25.2 26.5 27.9 29.3 30.6 31.8 33.1 34.2 66 18.8 20.6 22.3 23.9 25.5 26.9 28.3 29.7 31.0 32.2 33.5 34.7 68 19.0 20.8 22.5 24.2 25.8 27.3 28.7 30.1 31.4 32.6 33.9 35.1 70 19.2 21. 22.8 24.5 26.1 27.6 29.1 30.4 31.8 33.1 34.3 35.6
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