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Results of experiments to determine coefficient n in Kutter's formula; experiments were conducted in nine localities in southern and central states; deposit of slimy silt reduces resistance to flow; after erosion has taken place, further erosion does not necessarily increase roughness; n is higher for roughly dredged than for smoothly dredged channels; dredged channels quickly deteriorate in hydraulic efficiency; table of recommended values of n.
Results of experiments to determine coefficient n in Kutter's formula; experiments were conducted in nine localities in southern and central states; deposit of slimy silt reduces resistance to flow; after erosion has taken place, further erosion does not necessarily increase roughness; n is higher for roughly dredged than for smoothly dredged channels; dredged channels quickly deteriorate in hydraulic efficiency; table of recommended values of n.
Flow of water in drainage channels
U. S. Dept. Agriculture -- Tech. Bul
Ramser, C.E. (author)
1929
101 pages
62 Figs.
Report
English
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