城市雨水徑流污染模擬的研究.pdf

1、湖南大學碩士學位論文城市雨水徑流污染模擬的研究姓名：周永潮申請學位級別：碩士專業(yè)：市政工程指導教師：許仕榮20050508AbstractThepollutioncausedbythewashoITofurbanstormwaterrurloⅡ。fromsurfaceiSthecfiticalpartofthenonpointpollutionWitlldeepenedthecontrolofthepointpollutionitiss

2、edous3daybydaythatthereceivingwaterispollutedbyurbanstormwaterrunoffThecomponentsintheurbanstormwaterrunoffareverycomplicatedanditsrangeofconcentrationchangeisverybig，SOitisverydifficulttodisposeoftheurbanstormwaterrunof

3、fInordertocontrolanddisposethepollutionofurbanstormwaterrunoffhetteritisnecessarytolearnthechangecharacterizationofpollutantconcentrationandmasteritschangelawBasedonthephysicproceedofstormwaterrunoffpollution，thedynamicm

4、odelofurbanstormwaterrunoffqualityandquantityWOSbuiltinthehydraulicswayinthisthesisAccordingtotheinformationof3rainfallevents，thepollutographhydrographandfiritflusheffectofthegutterinletWaSsimulatedTheresultsaccordwitllt

5、hemeaSuredvalueswhichverifiedthevalidityofthemodelAtlastthemodelWasprogrammedwiththecombinationofExcelandVisualBasicThemodelcontributenotonlytoselectanddesignthefacilitiestotreatmentstormwaterrunoffpollutionbutalsotoplan

6、rationallythecontrolschemeandoptimizethecompositionofvarioustechniques，whichcanbnngaboutastrikingeffectMeanwhile，itprovidesthequantizationdatatodesignthefacilitiesofmakinguseofstormwaterrunoftnesimulationofdistributionof

7、long—termstormwaterrunoffpollutantloadistheprerequisitetodesigntheurbanstormwatermanagementsystemandmunicipalfacilitiesAtthesametime，itishelpfultoanalysisandassessthepolluteddegreeofreceivingwaterfromtheurbanstormwaterru

8、noffTherefore，theprobabilitymodelofurbanstormwaterrunoffpollutionbadisdeducedinthelastpartofthisthesiswhichhasthecharactersofthesimulationsbasedonphysicalprocessThesimulationtesttolongtermrunoffpollutionloadisconductedwi

9、ththemethodofMonteCarlorandomsampling，andthedistributionalcharacteristicsandcharacteristicvaluesofpollutionloadCanbeeneduced，whichprovidethequantizationdatatocontrolandmanagethequalityofreceivingwaterKeyWords：Urbanstormw