雙向水流進出水口水力特性研究

1、嘗目———j!L——一L，Da————iⅡ————一#目∞鹽8』2L镕‰———』：—一雙向水流進出水口水力特性研究善海指導教師姓名：基位掛熬援趔盤盤坐生剩盛電王提堂陸申請學位級別：王堂亟論文提交日期：—墊蛆生專業(yè)名稱：盔剩盤電王翟學位授予單位：—』型￡筮蘭一論文菩辯日期：』螋生上學位授予日期：答辯委員會主席；吳建華教授論文評閱人：張健教授旦塞絲到熬堡中國南京2006年4月、夏萼論大位浮。河碩AbstractThehydrauliccha

2、racteristicsareimportantforevaluatingwhethertheconfigurationattheintakesofhydraulicstructuresisreasonableBymeallsoftheexperiment，thehydrauliccharacteristicsoftheinletoutlethavebeenstudied，theverticaldistributionofvelocit

3、y，thedischargedistributionineachpassage，theheadloss，thecirculationflowandtheinflowvortexaretestedThevortexofenappearsinhydro—engineering，whichsometimesdevelopstoair—corevortexanddamagethehydraulicstructureorhydromachineI

4、nthispaperthecriticalsubmergenceisstudiedtoavoidtheoccuranceofaircorevortexModelexperimentisanormalmethodtomeasurethehydrauliccharacteristicsandthevortexdisciplinesatintakesofhydro—engineeringBasedontheachievementofprese

5、ntinvestigationtostudythehydrauliccharacteristicsandcriticalsubmergenceattheinletoutletofpumped—storageplant，theresultsobtainedinthisp印erarevaluableforthedesignsofsimilarprojectsThemaincontentsareasfollows：1Tostudytheimp

6、actsofchangingtheconfigurationandlocationatintakesthroughthecomparisonofdifferentscheme，anddeterminewhichisthesuitableone2Tostudytheimpactsofriverflowontheheadloss，theverticaldistributionofvelocity，thedischargedistributi

7、onineachpassage，thecirculationflowandtheinflowvortex3Toobservetheimpactsoncriticalsubmergenceofintakeswithtwodirectionflowwiththeriverflowordifferentconfigurationandlocation4TOdeterminethecoefficientCofGordonformulaandFr