银盘省水船闸省水池水力特性研究

《银盘省水船闸省水池水力特性研究》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。

1、重庆交通大学硕士学位论文银盘省水船闸省水池水力特性研究姓名：海显盛申请学位级别：硕士专业：港口海岸与近海工程指导教师：陈明栋20090407ABSTRACTmrecentye甜s，lligh_headnavigationbuildingflourishesinthe、vakeofwateraIldeIectnclt)rdeVeIopment，whichcausesdifficultytothedesignofshiplockandship-lift．IIlmeresearchonfillingandemptyingsystemofculvertofw

2、ater-savingshiplockusedmwaterheaddiversion,thepaperputemphasisonexperimentof910balhydraulicmodelsonfllIingandemptyingsystemofwater-savingshiplock，wecaIlgettheI·Intheschemeconcemingshiplockwithtwowater-savingp001s，effectivewaterneadsweresavedmanytimesafterwaterflowswitchinthewat

3、er-savingp001．Sothewater-saVmgsmplockschemeproposedinthispapereffectivelyavoidsthehvdraulicprobIemsofhigh-headshiplock，reducesthedimcultyofvalvewoddngconditionaIldshiplockberthingconditions．厶lneprocessandresultoftheexperimentshowsintheschemetheaSs啪ptionofwaterheaddiVersionby50％

4、andwater-savingrateby50％isfeasibleandpracticaI．j·lneexpenmentcomparisonofmodesofopeningandclosingvalves，proposesmewayofopeningandclosingvalves(proposedscheme)，thatisValvesA、Binwater-savingcuIVenopenat2．5min,andcloseat1．5min，andtheValVeiIlmaiorcuIVertopensandcloSesat1min．Sothech

5、angeofthewaterlevelintheWate卜saVingpooIlsuIlderco咖landarelativesteadywaterheadsinthevalvesmakepossiblethedecreaseofcomplementwater．4·Hydraullccnaracteristicresultshows，whenthevalvesopensandclosesno咖ally,thetimeoffillingandemptyingwaterinshiplocksis10．80and11．42minrespectively．C

6、ollSidenngscaleeffect,thatisfillingandemptyingtimeofprototypesmplockmnbeshonenedby8-15％．ThefillingandemptyingtimeofthislockschemewllIbewithin11min，tosatisfythedesignedfillingandemptyingtimerequirementof12min．)·Province1mgationpondoutletlockchamberofthehydrauliccharacteriSticc州e

7、s锄dhydrauliccharacteristiccurvesimilartotheprovincialp001ofwater士luc叫10nsonthecontrolheadoutletirrigationhaslittleeffectontheflowconditionsarebeRer．6-tmmthe蛐锄liccharacteristicstatisticsofwater-savingshiplockwcl【llow．whenthefillingandemptyingsystemworksnormally,thethreepeakvalue

8、softheprocessofpumpingandreplenishingwaterare126。291。1