TM 5-820-3/AFM 88-5, Chap. 3
g. The flared transition is satisfactory only for
dissipators are presented in figures 5-17 to 5-19.
low values of Q/Do5/2 or q/Do3/2 as will be found at
Each type has advantages and limitations. Selection
culvert outlets. With higher values, however, as
of the optimum type and size is dependent upon
will be experienced at storm drain outlets, other
local tailwater conditions, maximum expected
types of energy dissipators will be required. Design
discharge, and economic considerations.
criteria for three types of laboratory tested energy
5-18
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