简介：当一些血成分在动脉的墙上积累时，一个真神经病的条件经验丰富得到从墙撤退了，再加入循环系统和凝结发生。在使倾向的体环的一个环形的区域的nanofluid的蠕动的流动上的铜nanoparticles和使倾向的磁场的角色被调查。当其外部试管有正弦曲线自然和内胎的一个波浪的一个体环在它的墙上有块，我们由考虑小动脉代表块模型。润滑油途径被用来简化这个问题。靠近的表格答案为温度和速度侧面被决定。在压力上升的相关参数的影响，压力坡度，速度并且优化图形地被解释。在纯血和铜血之中的比较被介绍并且分析。考虑分析的主要发现是铜nanoparticles的包括扩大速度的振幅的。因此，考虑学习在生物医学的应用起一个主导的作用。

简介：Theapproximateeigenfrequenciesforthein-planevibrationsofacablestruc-tureconsistingofinclinedcables,togetherwithpointmassesatvariouspointswerecom-puted.Itwasdiscoveredthattheclassicaltransfermatrixmethodwasinadequateforthistask,andhencethelargerexteriormatriceswereusedtodeterminetheeigenfrequencyequation.Thenpredictionsofthedynamicsofthegeneralcablestructurebasedontheasymptoticestimatesoftheexteriormatricesweremade.

简介：Throughaseriesofmodeltests,thewaveforcesonhorizontalandinclinedcircularcylindersaremeasuredandanalyzed.BasedonMorisonEquationandStokessecondorderwavetheory,therelationshipbetweenthehydrodynamicforcecoefficientswithKCnumberandsub-mergedwaterdepthaswellforhorizontalcylindersareanalyzed,alsotherelationshipbetweenthehydrodynamicforcecoefficientswithKCnumber,inclinedangleandtheeffectofwaterfreesurfaceaswellfortheinclinedcylindersareinvestigated.

简介：Thegenerationandevolutionofturbulentspotsintheopen-channelflowaresimulatednumericallybyusingtheNavier-Stokesequations.Aneffectivenumericalmethodwithhighaccuracyandhighresolutionisdeveloped.Thefourth-ordertimesplittingmethodswithhighaccuracyisproposed.Three-dimensionalcouplingdifferencemethodsarepresentedforthespatialdiscretizationofthePoissonequationofpressureandHemholtzequationsofvelocity,therefore,thefourth-orderthree-dimensionalcouplingcentraldifferenceschemesareconstituted.Thefourth-orderexplicitupwind-biasedcompactdifferenceschemesaredesignedtoovercomethedifficultyforthegeneralhigher-ordercentraldifferenceschemewhichisinadaptableintheboundaryneighborhood.Theiterativealgorithmandoveralltimemarchingisusedtoenhanceefficiency.Themethodisappliedinthenumericalsimulationofturbulentspotsatvariouscomplexboundaryconditionsandflowdomains.Thegenerationandthedevelopingprocessofturbulentspotsaregiven,andthebasiccharacteristicsofturbulentspotsareshownbysimulatingtheevolutionofthewallpulseininclinedopen-channelflow.

简介：ＴＨＥＥＦＦＥＣＴＯＦＴＨＥＳＬＩＧＨＴＬＹＩＮＣＬＩＮＥＤＴＥＲＲＡＩＮＯＮＴＨＥＷＩＮＤＳＨＥＡＲＮＥＡＲＴＨＥＳＵＲＦＡＣＥＺｈａｎｇＹｏｎｇｐｉｎｇ（张永萍），ＬｉＸｉｎｇｓｈｅｎｇ（李兴生），ＺｈｏｕＸｉｕｊｉ（周秀骥）ａｎｄＢｉａｎＬｉｎ...

简介：-ThehydrodynamicforcesonasmoothinclinedcircularcylinderexposedtooscillatingflowwereexperimentallyinvestigatedatReynoldsnumber(Re)intherange40000-200000andKeulegan-Capenternumber(KC)intheintervalfrom5-40.Inthetest,RenumberandKCnumberwerevariedsystematically.Theinertiaforcecoefficient(Cu)andthedragforcecoefficient(CD)inMorisonequationweredeterminedfromthemeasuredloadsandthewaterparticlekinematics.InthisanalysisamodifiedformofMorisonequationwasusedsinceitusesthenormalvelocityandacceleration.Thus,theapplicabilityoftheCrossFlowPrinciplewasassumed.Thisprinciple,simplystated,isasfollows:theforceactinginthedirectionnormaltotheaxisofacylinderplacedatsomeobliqueanglewiththedirectionofflowisexpressedintermsofthenormalcomponentofflowonly,andtheaxialcomponentisdisregarded.Boththetotalin-lineforcecoefficient(CF)andtransverseforce(lift)coefficient(Cf)wereanalyzed

简介：Experimentalfluidizationresultswerecomparedforthreegasdistributorswiththesameopeningratiobutdifferentorificeinclinations(30,45,and90).Hydrodynamicstudieswereconductedwithglassbeads(diameter154p.m)toevaluatetheimpactsoforificeinclinationandstaticbeddepthonpressuredrop,pressuredropfluctuations,bedexpansion,andminimumfluidizationvelocity.Solidsresidencetimedistributionsweredeterminedusingphosphorescenttracerparticles(meandiameter76pm),activatedbyultravioletlight.Thebedpressuredropwashigherwiththeinclined-holedistributorsandincreasedwithstaticbedheight.Inashallowbed,theinclined-holedistributorsgavelessexpansion;however,indeepbeds,theorificeanglehadnegligibleinfluenceonbedexpansion.Theminimumfluidizationvelocityvariedwithstaticbedheightfortheinclined-holedistributorsandwashigherforsteeperangles.Theturnovertimeestimatedusingbubbling-bedequationsmatchedtheexperimentalresultswellforverticalmixing.Probesandportsatthewallsofthefluidizationcolumnreducedthedense-phasedownwardvelocitybyupto40%.Thetangentialparticlevelocitywashighestforthe30-holedistributoranddecreasedwithincreasingorificeangle.Tangentialmixingwasdescribedbyadispersionmodel;thedispersioncoefficientfortheinclined-holedistributorswasapproximatelytwicethatforthe90-holedistributorinashallowbed.

简介：这份报纸学习正切的成层的magnetohydrodynamic(MHD)流动经过使倾向的指数地拉长的表面的夸张nanofluid。流动受到速度，热，并且solutal边界条件。部分微分系统用适当转变被归结为平常的微分系统。减少的系统为会聚的系列答案被解决。速度，温度，和集中地为不同物理参数被讨论。温度和热边界层厚度为Brownian运动和thermophoresis效果的大价值显著地增加的结果indi-佳肴。快活参数加强速度领域，这也被观察，显示出温度和nanoparticle卷部分侧面的减少的行为。

简介：

简介：ＴｈｅＥｑｕｉｖａｌｅｎｔＰａｒａｍｅｔｅｒｓｏｆａｎＩｎｃｌｉｎｅｄＳｌｏｔｉｎＴｗｏＣｒｏｓｓｅｄＷａｖｅｇｕｉｄｅｓｗｉｔｈＲａｄｉａｔｉｎｇＳｌｏｔｓ￥ＬｕｅＳｈａｎｗｅｉ＆ＴａｎｇＨｏｎｇｚｈｅｎ（ＢｅｉｊｉｎｇＵｎｉｖｅｒｓｉｔｙｏｆＡｅ...

简介：Anumericalsimulationandanexperimentalstudyonvortex-inducedmotion(VIM)ofanewtypeofdeepdraftmulti-columnsfloatingdrillingproduction,storageandoffloading(FDPSO)arepresentedinthispaper.Themaindimension,thespecialvariablecross-sectioncolumnandthecabinarrangementoftheoctagonalpontoonareintroducedbasedontheresult.Thenumericalsimulationisadaptedtostudytheeffectsofcurrentincidenceanglesandreducedvelocitiesonthisplatform'sswaymotionresponse.The300mwaterdepthequivalenttruncatedmooringsystemisadoptedforthemodeltests.Themodeltestsarecarriedouttocheckthereliabilityofnumericalsimulation.Theresultsconsistofsurge,swayandyawmotions,aswellasmotiontrajectories.Themaximumswayamplitudesfordifferenttypesofoffshoreplatformisalsostudied.Themainresultsshowthatthepeakfrequenciesofswaymotionunderdifferentcurrentincidenceanglesandreducedvelocitiesvaryaroundthenaturalfrequency.TheanalysisresultofflowfieldindicatesthatthechangeofdistributionofvortexinverticalpresentssignificantinfluencesontheVIMofplatform.ThetrendofswayamplituderatiocurveofthisnewtypeFDPSOdiffersfromtheothertypesofplatform.Under45°currentincidenceangle,theswayamplitudeofthisnewtypeofFDPSOismuchsmallerthanthoseofothertypesofoffshoreplatformat4.4≤Vr≤8.9.Thetypical'8'shapetrajectorydoesnotappearintheplatform'smotiontrajectories.

简介：Inthispaper,howtocomputetheeigenfrequenciesofthestructurescomposedofaseriesofinclinedcablesisshown.Thephysicsofaninclinedcablecanbecomplicated,sosolvingthedifferentialequationsevenapproximatelyisdifficult.However,ratherthansolvingthesystemof4first-orderequationsgoverningthedynamicsofeachcable,thegoverningequationsareinsteadconvertedtoasetofequationsthattheexteriormatrixsatisfies.Therefore,theexteriormatrixmethod(EMM)isusedwithoutsolvingtheoriginalgoverningequations.Eventhoughthisproducesasystemof6first-orderequations,thesimpleasymptotictechniquestofindthefirstthreetermsoftheperturbativesolutioncanbeused.Thesolutionscanthenbeassembledtoproducea6×6exteriormatrixforacablesection.Thematricesforeachcableinthestructurearemultipliedtogether,alongwiththeexteriormatricesforeachjoint.Therootsoftheproductgiveustheeigenfrequenciesofthesystem.

简介：在这个工作，速度依赖者磨擦为浅小粒的流动被介绍进一个平均深度的SavageHutter动态模型。沿着一个斜面流动然后在一架水平飞机上扔的小粒的材料的过程被模仿。当使用标准库仑类型磨擦对速度依赖者磨擦时，精力的各种各样的类型的表面侧面和进化被调查并且比较。有趣地，磨擦的二种不同类型之间有小差别。

简介：ＩｎｖｅｒｓｉｏｎｏｆｂｒｅａｋｏｕｔｄａｔａｆｒｏｍｉｎｃｌｉｎｅｄｂｏｒｅｈｏｌｅｓｆｏｒｓｔｒｅｓｓｓｔａｔｅｏｆｔｈｅｕｐｐｅｒｃｒｕｓｔｉｎＪｉｚｈｏｎｇ　ｄｅｐｒｅｓｓｉｏｎＹＡＮ－ＸＩＡＮＧＹＵ（俞言祥）ａｎｄＺＨＯＮＧ－ＨＵＡＩＸＵ（...

简介：Numericalsimulationofgas-solidflowinatwo-dimensionalfluidizedbedwithaninclinedjetwasperformed.Thenumericalmodelisbasedonthetwo-fluidmodelofgasandsolidsphaseinwhichthesolidsconstitutiveequationsarebasedonthekinetictheoryofgranularflow.TheimprovedICEalgorithm,whichcanbeusedforbothlowandhigh-velocityfluidflow,wereusedtosolvethemodelequations.Themechanismofjetformationwasanalyzedusingbothnumericalsimulationsandexperiments.Theemergenceandmovementofgasbubbleswerecapturednumericallyandexperimentally.Theinfluencesofjetvelocity,nozzlediameter,nozzleinclinationandjetpositiononjetpenetrationlengthwereobtained.Asemi-empiricalexpressionwasderivedandtheparameterswerecorrelatedfromexperimentaldata.Thecorrelationequation,whichcanbeeasilyusedtoobtaintheinclinedjetpenetrationlength,wascomparedwithourexperimentaldataandpublishedcorrelationequations.

简介：Horizontalimpedancefunctionsofinclinedsinglepilesaremeasuredexperimentallyformodelsoil-pilesystemswithboththeeffectsoflocalsoilnonlinearityandresonantcharacteristics.Twopracticalpileinclinationsof5掳and10掳inadditiontoaverticalpileembeddedincohesionlesssoilandsubjectedtolateralharmonicpileheadloadingsforawiderangeoffrequenciesareconsidered.Resultsobtainedwithlow-to-highamplitudeoflateralloadingsonmodelsoil-pilesystemsencasedinalaminarshearboxshowthatthelocalnonlinearitieshaveaprofoundimpactonthehorizontalimpedancefunctionsofpiles.Horizontalimpedancefunctionsofinclinedpilesarefoundtobesmallerthantheverticalpileandthevaluesdecreaseastheangleofpileinclinationincreases.Distinctvaluesofhorizontalimpedancefunctionsareobtainedforthe＇positive＇and＇negative＇cyclesofharmonicloadings,leadingtoasymmetricforce-displacementrelationshipsfortheinclinedpiles.Validationoftheseexperimentalresultsiscarriedoutthroughthree-dimensionalnonlinearfiniteelementanalyses,andtheresultsfromthenumericalmodelsareingoodagreementwiththeexperimentaldata.Sensitivityanalysesconductedonthenumericalmodelssuggestthattheconsiderationoflocalnonlinearityatthevicinityofthesoil-pileinterfaceinfluencetheresponseofthesoil-pilesystems.

简介：在这研究，实验在水的热转移上为调查被执行了在一向下与20公里和45的一个使倾向的角度的一条内部直径使试管倾向了吗？

简介：Thereisatradeoffbetweenthequantumefficiencyandthespectralresponselinewidthinresonant-cavityenhanced(RCE)photodetectors.Recentlyanewtypeofphotodetectorstructurehasbeenproposed,whichutilizesaninclinedmirrorinathree-mirrorcavity.Itdecouplesthequantumefficiencyandthespectralresponselinewidthandhashighresponsespeed,highquantumefficiency,andnarrowlinewidthsimultaneously.Theanalysisresultindicatesthatthelinewidthof0.8nmandquantumefficiencyhigherthan70%canbeachievedonthisdevice.Fora30×30μm2device,themaximumbandwidthapproaches23GHz.

简介：Thewaterintakeheadinstalledwithinclinedboardingsiscalledlaminatesedimentprecipitation,whichseparatesliquidandsolidparticlesintwo-phaseflowbygravity.ThepaperpresentstheequationsforcalculatingthedistanceHbetweentwoincllinedboardings,indicatingthatHhasakeyeffectontheparticleprecipitationvelocityV2.Thepaperfocusesalsoonthecal-culationofhydraulicsimilarityofmodelwiththetheoreticmodel.

简介：Themajorcausesofthesoundpressurelevel(SPL)variationduetothechangesoftheinclinedangleofacircularcylinderandtheaspectratio(ratioofdistancebetweenendplatestocylinderdiameter)wereinvestigated.Thevelocityfluctuationofthewakeandthesurfacepressurefluctuationofthecylinderweremeasuredinalownoisewindtunneltofindthecorrelationlength,coherentoutputpowerandStrouhalnumber.TheresultsshowthatthechangesofthesevaluesqualitativelycorrespondwiththechangeofSPL.Flowvisualizationtestsareperformedtoclarifythevariationofwakeinrelationwithinclinedangleandaspectratio.ItisfoundthatthespanwisestructureofKarman’svortexstreetisbrokendownbytheupwardflowsgeneratedaroundthebottomendplate,andthedegreeoftheinterferencebetweentheupwardflowandKarman’svortexstreetissmallerwhentheaspectratioislarger.