期刊
WATER RESOURCES RESEARCH
卷 47, 期 -, 页码 -出版社
AMER GEOPHYSICAL UNION
DOI: 10.1029/2011WR010504
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资金
- French CNRS
- French ANR [ANR-05-ECCO-016, ANR-05-PGCU-004]
Subcritical flow in an intersection composed of four similar orthogonal channels has been studied experimentally in a configuration with two inflows and two outflows for a wide range of experimental conditions. The results have been used to develop a relationship between the incoming flow rates and the flow distribution in the two outlet channels, based on the conservation of discharge and momentum in the intersection, and suitable stage-discharge relationships for the downstream controls in the outflow channels. A final equation is provided by an empirical correlation for the outflow in one of the channels, based on the experimental data obtained from these experiments; this correlation agrees with all the available data to within +/- 5%. It is shown how the resulting set of equations can be used to compute the discharge distribution in any similar intersection, given the incoming flow rates and some form of stage-discharge relationship for the outlet conditions.
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