形容生态环境好的词语_论河流生态环境需水第7页,河流生态环境需水计算

  本文关键词：论河流生态环境需水，由笔耕文化传播整理发布。

来源： 关键字： ,论河流生态环境需水

延伸：河流生态环境需水计算
本文除了提供论河流生态环境需水 第7页的文本下载，，还提供与之相关的《河流生态环境需水计算》文本文档，希望对您有所帮助。

Numericalsimulationofoverflowinsteppedspillway

CHENQun,DAIGuang2qing,LIUHao2wu111

(11CollegeofWaterResourcesandHydropowerSichuanUniversity,Chengdu　610065,China;

21StateKeyHydraulicsLab.ofHighSpeedFlows,SichuanUniversity,Chengdu　610065,China)

Abstract:Thek-εturbulencemodelisappliedtosimulatethecomplicatedoverflowinthesurfaceofsteppedspillway.Thenon2structuregridisusedtothethevolumeoffluidmethod(VOF)forwater2airtwo2phaseflowisofcalculation.Thecurvilinearfreesurface,velocityandThecalculatedresultisingoodagreementwiththeexperimentalKeywords:kmodel;numericalsimulation;freesurface(上接第19页)

Onwaterdemandofriverecosystem

NIJin2ren1,2,CUIShu2bin,LITian2hong31,2,JINLing1,2

(11PekingUniversity,Beijing　100871,China;

21KeyLaboratoryofWaterandSedimentSciences,MinistryofEducation,Beijing　100871;

31YellowRiverConservancyCommission,Zhengzhou　450003,China)

Abstract:Areviewoftherecentadvancementintheareaofwaterdemandofriverecosystemispresent2ed.Differentkindsofwaterdemandforecosystemareclassifiedaccordingtotheirbasicfunctionandtar2get.Methodsforcalculatingtheamountofvariouswaterdemandandtheirrelationshiparediscussed.Onthisbasis,principlesfordeterminingthereasonableamountofriverecosystemandcorrespondingthresh2oldareproposed.Itincludestheprinciplefordeterminingthefunctionofwaterdemand,dynamics,sub2section,harmonization,priority,maximizationofefficiency,minimizationofaftereffectandoptimizationforwholeriversection.

Keywords:river;waterdemand;ecosystem;functions;threshold;principle

26

第7页/共7页

猜您感兴趣

查看更多相关文本

编辑推荐

我也来解决

  本文关键词：论河流生态环境需水，由笔耕文化传播整理发布。