河口淤泥特性及其運動規(guī)律的研究.pdf

1、天津大學(xué)博士學(xué)位論文河口淤泥特性及其運動規(guī)律的研究姓名：田琦申請學(xué)位級別：博士專業(yè)：水利工程；港口、海岸及近海工程指導(dǎo)教師：白玉川201005ABSTRACTThemuddyestua呵andcoastscanbefounda11oVertheworld，anditalsotakesonwidespreaddistributioninChina，andYangtzeestuaⅨYellowRiVerestua呵andPearlRiver

2、estuaryaretypicalmuddyestuariesWiththerapiddeVelopmentofestuariesandcoastsengineeringconstructionandattachingimportancetooceanresourcedevelopmentandoceanenvironmentprotection，waVecurrentdynamicfactorsandsedimenttransport

3、lawneedtobefurrtherstudied，whichisconvenienttomakequantitatiVedescriptionandforecastInaspectofwavecurrentandsedimenttransportlaw，thegreatdiff色rencebetweenmuddyandsandy，rockestuaryareexistedThemethodofcombiningtheoretical

4、analysiswithwatertanktestsareadoptedwiththemudsampledinTangguarea，andthecharacteristicandtransportlawofmudinestuaUaresystematicallystudiedAse“esofexperimentsarecarriedouttoresearchtheologicalandsettlingcharacteristicsofm

5、ud，andtherelationshipsbetweentheologicalparametersanddensity，betweensettlingmteanddensityarediscussedTheincipientanderosionlawunderdin、erentbottomdensitiesandnowconditionsareresearched，anditisshownthatmuddyincipientlawco

6、incidewithextendedShieldsdiagramTheeffectofturbulentintensityandReynoldsstressonincipientmotionisanalyzedFinally，theerosionrateofmudunderdi婦’erentnowconditionswascalculatedTbmakegoodunderstandofthetransportlawofsludge，th

7、emathematicalmodelforinteractionbetween、vaveandmudissetup，andtheVeJocitydjstrjbutionofwaterlayerandmudlayeraswellaswaVeattenuationfactorsarestudiedandanalyzedIt’sconcludedthatthecriticalvalueofdensity，waveperiodandmudthi

8、cknessareexisted，whichcanmakewaveattenuationtomaximumWhenthoseconditionsare1essthanormorethanthisvaluethewaveattenuationratealldecreaseAndthewaVeattenuationratedecreaseswithincreasingwaterdepthThewaVeattenuationValuearec