水流紊動(dòng)對(duì)魚類影響實(shí)驗(yàn)研究.pdf

1、河海大學(xué)碩士學(xué)位論文水流紊動(dòng)對(duì)魚類影響實(shí)驗(yàn)研究姓名：王得祥申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：水力學(xué)及河流動(dòng)力學(xué)指導(dǎo)教師：嚴(yán)忠民20070601ABSTRACTABSTRACTInrecentyears，ithasbeenpaidmoreattentiontoprotectthebiologydiversityanddevelopthebasinsocietycontinuously111etlewtaskthatrepairingthedestr

2、oyedecosystemwasproposedSomewaterbasinofourcountryalsosuccessivelyproposedthegoalofecologicalrehabilitationForthisreason，manytopicsOilecohydraulicsresearchwereappearednefishtookallimportantcompositionofwaterecosystemabou

3、twhichmanyresearchresultshadbeenobtainedTheturbulencehasallimportantinfluenceonfishsurvival，manyscholarshaveconductedtheresearchaboutitThismainresearchobjectivewasusingtheOscillatinggridturbulencegeneratortogenerateturbu

4、lenceinthelaboratoryandanalyzedthedifferentinfluenceonerucianwimdifferentturbulenceintensityMainresearchcontentofthisattidehasbeenpresented：1Oscillating鰣dturbulencegeneratorWasestablishedinthelaboratoryADVandPⅣwereemploy

5、edtomeasuregird—turbulenceflowinthehofizonmlflumerespectivelyThroughmanyexperiments，thecharacteristicofOscillating鰣dturbulenceinthehorizontalflumehadbeenanalyzed2TheresultsobtainedbyADVandPIVWascomparedandcarriedonthecon

6、trastwitllpreviousresearchresultsTheeffectofmeasuringthecharacteristicofOscillatinggridturbulenceinthehorizontalflumewithADVandPIVmeastuementtechnologieshadevaluated3Theresearchabouttheinfluenceonfishwithflowturbulentand

7、shearstresshadsummarizedThemechanismoffishinjuredhadbeenanalyzed4Throughchanging鰣dmovementgeneratorcontrolledturbulenceimensityparameterofOscillatinggridturbulenceThedifferentinfluenceonerucianwithdifferentturbulenthadbe

8、enstudiedTheturbulenceintensityrangeoftheerucianmaintainingnormallyswimmingposturehadbeenstudiedThecrucian’sinjuredrateandmortalityratewithdifferentturbulenceintensityhadalsobeenstudiedKeywords：Grid—turbulence；Turbulence