钠冷快堆严重事故中颗粒床相关现象研究（Researches on Particle-Bed-Related Phenom
作者： 成松柏 徐锐聪
出版社：清华大学出版社 2021-05-01
简介：全书分为六章。*章主要对第四代核能系统、钠冷快中子反应堆、快堆严重事故以及严重事故中出现的颗粒床现象进行总体概述，以使读者对本领域或本专题的研究背景有初步的认识；第二章和第三章则聚焦于熔融池内颗粒床相关现象，针对颗粒床对熔池流动性和晃动特性的影响分别进行详细的分析。【目录】Chapter1 Introduction 1 1.1 Generation-Ⅳ NuclearReactorSystems 1 1.2 Sodium-CooledFastReactors 4 1.2.1 Developmenthistoryandcur entsituation ofSFRs 4 1.2.2 SystemcharacteristicsofSFRs 7 1.3 SFRSafetyAnalysisandSevereAc idents 11 1.4 Particle-Bed-RelatedPhenomenaDuringSFRSevere Acident 14 1.4.1 Molten-poolmobility 14 1.4.2 Molten-poolsloshingmotion 15 1.4.3 Debris-bedformationbehavior 15 1.4.4 Debris-bedself-levelingbehavior 17 1.5 Summar 18References 19 Chapter2 Molten-PolMobility 22 2.1 Introduction 22 2.2 TheoreticalModelsandMethodsforMolten-Pool Mobilit 232.2.1 Multiphaseflow model 23 2.2.2 Particleviscositymodel 25 2.2.3 Particlejammingmodel 26 2.3 Molten-PoolMobilityinaLiquid-Dominant Particle-RichPool 28 2.3.1 Experimentalconditionsinaliquid-dominant particle-richpool 28 2.3.2 Simulationconditionfortheliquid-dominant particle-richpoolexperiments 30 2.3.3 Analysesoftheliquid-dominantparticle-rich poolexperimentsandsimulations 31 2.4 Molten-PoolMobilityinaParticle-DominantBubble-VisualizationPool 44 2.4.1 Experimentalconditioninaparticle-dominant bubble-visualizationpool 45 2.4.2 Simulationconditionfortheparticle-dominant bubble-visualizationpoolexperiments 46 2.4.3 Analysesoftheparticle-dominantbubble-visualization poolexperimentsandsimulations 47 2.5 Summary 57 References 58 Chapter3 Molten-PolSloshingMotion 60 3.1 Introduction 60 3.2 SloshingMotioninaPureLiquidPool 65 3.2.1 Symmetricdam-breakconditions 65 3.2.2 Asymmetricdam-breakcondition 85 3.2.3 Fluid-stepcondition 91 3.2.4 Centralizedmolten-fuel-fragmentfaling condition 94 3.2.5 Gas-injectionconditionwithhydraulic disturbances 100 3.2.6 Gas-injectionconditionwithouthydraulic disturbances 105 3.2.7 Gas-injectionconditionwithstratifiedliquids 112 3.3 SloshingMotioninaLiquidPoolwithSolidPhase 122 3.3.1 Dam-breakandfluid-stepconditionwithring obstacles 123 3.3.2 Dam-breakandfluid-stepconditionwithrod obstacles 127 3.3.3 Dam-breakconditionwithsolidparticles 132 3.3.4 Gas-injectionconditionwithsolidparticles 138 3.4 Summary 152 References 154 Chapter4 DebrisBedFormationBehavior 158 4.1 Introduction 158 4.2 InvestigationsonDebrisBedFormationBehavior inJapan 164 4.2.1 Single-sizesingle-shapesolidparticlecondition 164 4.2.2 Mixedsolidparticlecondition 198 4.3 InvestigationsonDebrisBedFormationBehavior inChina 216 4.3.1 Single-sizesphericalsolidparticlecondition 216 4.3.2 Single-sizenon-sphericalsolidparticlecondition 230 4.3.3 Mixed-sizesphericalsolidparticlecondition 233 4.3.4 Gas-injectioncondition 240 4.3.5 Botom-heatedcondition 247 4.4 Summary 257 References 259 Chapter5 DebrisBedSelf-LevelingBehavior 264 5.1 Introduction 264 5.2 ExperimentalStudiesonDebrisBedSelf-Leveling Behavior 269 5.2.1 Microscopicflow-regimeexperiments 269 5.2.2 Self-levelingexperimentsunderdepresurization andbotom-heatedboilingcondition 281 5.2.3 Self-levelingexperimentsundergas-injection condition 291 5.3 ModelingStudiesonDebrisBedSelf-LevelingBehavior 308 5.3.1 Modelingforself-levelingonsetcriteria 308 5.3.2 Modelingforthevariationofinclinationangle 312 5.3.3 Modelingforthevariationofmoundand bedheights 320 5.4 NumericalStudiesonDebrisBedSelf-LevelingBehavior 331 5.4.1 SIMMERsimulationwithdebris-fluidization andboiling-regulationmodels 332 5.4.2 SIMMERsimulationwithDEM model 337 5.4.3 SIMMERsimulationwithmodelsofinter-particle colisionsandcontacts 347 5.5 Summary 363 References 366 Chapter6 ConclusionandFutureProspect 370 6.1 ConclusionforPreviousInvestigations 371 6.2 FutureProspect 376
