Hydraulic Efficiency of Grate and Curb Inlets - Urban Drainage and ...
Hydraulic Efficiency of Grate and Curb Inlets - Urban Drainage and ...
Hydraulic Efficiency of Grate and Curb Inlets - Urban Drainage and ...
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H.1 <strong>Efficiency</strong> Determined from Empirical Equations <strong>and</strong> Improved<br />
UDFCD Methods<br />
Test ID<br />
Number<br />
Table H-1: Type 13 combination-inlet calculated efficiency<br />
Depth<br />
(ft)<br />
<strong>Grate</strong>s<br />
Flow<br />
<strong>Efficiency</strong><br />
(cfs) Observed Regression UDFCD New<br />
62 0.333 1 4.83 0.61 0.51 0.50<br />
63 0.501 1 26.19 0.24 0.21 0.30<br />
64 0.999 1 126.42 0.10 0.11 0.17<br />
91 0.333 1 2.96 0.63 0.58 0.64<br />
92 0.501 1 10.13 0.38 0.40 0.48<br />
93 0.999 1 95.09 0.13 0.13 0.22<br />
146 0.333 1 15.90 0.27 0.27 0.20<br />
147 0.501 1 33.67 0.20 0.18 0.24<br />
148 0.999 1 166.64 0.09 0.09 0.08<br />
161 0.333 1 7.79 0.50 0.39 0.36<br />
162 0.501 1 24.78 0.24 0.23 0.23<br />
163 0.999 1 155.88 0.09 0.10 0.07<br />
227 0.333 1 12.94 0.25 0.30 0.26<br />
228 0.501 1 37.72 0.13 0.17 0.21<br />
229 0.999 1 142.63 0.08 0.10 0.13<br />
242 0.333 1 9.04 0.43 0.34 0.32<br />
243 0.501 1 27.28 0.21 0.22 0.21<br />
244 0.999 1 129.69 0.09 0.11 0.13<br />
59 0.333 2 4.68 0.73 0.72 0.73<br />
60 0.501 2 22.60 0.36 0.32 0.49<br />
61 0.999 2 127.82 0.16 0.15 0.25<br />
104 0.333 2 3.27 0.62 0.75 0.84<br />
105 0.501 2 11.22 0.44 0.53 0.72<br />
106 0.999 2 98.20 0.20 0.18 0.36<br />
149 0.333 2 14.34 0.34 0.40 0.33<br />
150 0.501 2 33.67 0.24 0.25 0.34<br />
151 0.999 2 176.61 0.13 0.12 0.12<br />
158 0.333 2 8.11 0.63 0.53 0.56<br />
159 0.501 2 23.38 0.35 0.34 0.42<br />
160 0.999 2 161.34 0.14 0.13 0.14<br />
230 0.333 2 13.25 0.38 0.42 0.36<br />
231 0.501 2 36.63 0.21 0.24 0.31<br />
232 0.999 2 138.73 0.13 0.14 0.22<br />
239 0.333 2 8.26 0.66 0.51 0.55<br />
240 0.501 2 26.03 0.33 0.32 0.38<br />
241 0.999 2 127.82 0.16 0.15 0.25<br />
56 0.333 3 4.36 0.82 0.91 0.86<br />
57 0.501 3 20.58 0.43 0.41 0.67<br />
58 0.999 3 126.57 0.23 0.18 0.35<br />
145