高拱壩的泄洪消能問題研究

1、河海大學(xué)碩士學(xué)位論文高拱壩的泄洪消能問題研究姓名：齊元田申請學(xué)位級別：碩士專業(yè)：水力學(xué)及河流動力學(xué)指導(dǎo)教師：黃細彬20060401AbstractAtpresenttime，hi曲archdamisthedevelopingdirectionofdesignofdamTheenergydissipationofflooddischargeofthehigharchdamistheemphasesinthedesignofhigharch

2、damHowtoguaranteethesafetywhensluicingandhowtomakeuseoftheaerationandcollisionofthewaterjetandtheplungepoolisagreatsubject，andhowtoexertthebenefitofhighharchdamisamoreimportantoneInthispapermajorstudiesareasfollows：1Thef

3、lowpatternandthemechanismoftheenergydissipationintheplungepoolwerediscussedwithphysicalmodelexperimentafterthewaterjetenteredtheplungep001Afterthenappeentertheplungepool，itpassedtheregionoffreeimpactjet、impingingjetandwa

4、llfreeinpactjet，inwhichimpactionzonesalongtheregionoffreeimpactjetisthemeanerergydissipationregion2Analyzingthealterationlawoftime—averagepressureandpressurefluctuationthatalongtheplungepoolmotherboardandcomparingthetwod

5、ifferentcaseoffloodreleaseandenergydissipationundertheworkconditionofthecontinuousbucketanddifferentialbucket3Typicalworkconditionswerecomputedthroughtwo—dementionalRNGK～snumericalmodel，theobtainedlawofpressurealongthepl

6、ungepoolmotherboardbycomputationaccordswiththeexperimentandthedistributionstatusofturbulenceenergyandturbulenceenergydissipationrateintheplungepoolwerealsoobtainedKeywords：archdam，plungepool，energydissipationpressurefluc