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| NUMERICAL MODELING OF TURBID FLOOD ROUTING IN AN ALLUVIAL RIVER | |
| 摘 要： | 1.INTRODUCTIONWeusedequationsgoverningt1Vo-phaseflowtotisedcalculateturbidunsteadyflowinanalluvialriver.Thegeneralcurvilinearbody-fittedcoordinateisintheirregUlardomain,andthenon-uniformparticlesforsuspendedandbedload.Themixingdensityisp=pl(l-C)+P=C,wherepl.f>2Isthedensityofwaterandsedimentrespectively,andCistheconcentrationbyvolume.Thevelocityoffluidmixtureisdefinedinthemomentumequationby;pul=al(l-C)xl,,+pZCwl,Thesedimenttransportcapacity'S*.G*,theprobabilityofmotioninfalling,thesus… |
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