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The doming head for chambered flow is based on Army Corps Of
Engineers Data (Chart E-1, EM 1110-2-3105 - 3/30/94) for open tube losses. Calculated
values are approximate and can be used as guidance. The Equation itself is
an approximation since at zero flow there is still a doming head loss
present. Results are valid for diameters of 28 to 64 inches and chamber
widths of 1.5 to 3 times discharge diameter. For details see picture file
at top.
For open flow use KSB method.
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