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1、Seediscussions,stats,andauthorprofilesforthispublicationat:https://www.researchgate.net/publication/258100499ExperimentalandtheoreticalstudiesonparticleconcentrationsinspoutedbedArticleinKungChengJeWuLiHsuehPao/JournalofEngineeringThermophysics·September2005CITATIONREADS1154authors,in
2、cluding:QiangYaoTsinghuaUniversity346PUBLICATIONS2,781CITATIONSSEEPROFILESomeoftheauthorsofthispublicationarealsoworkingontheserelatedprojects:Pm2.5fromfossilfuelcombustionanditscontrolViewprojectImpactofMicronParticlesonLiquidSurfacesViewprojectAllcontentfollowingthispagewasuploadedb
3、yQiangYaoon03August2015.Theuserhasrequestedenhancementofthedownloadedfile..第26卷第期工程5热物理学报M〕.26N2年9月URN5ALFENGINEERINGTHERMPOHYSICSOSP2O喷动床内颗粒浓度的实验测量和理论模拟```“李水清姚强赵香龙郑义忠.清华大学热能工程系热能动力工程(和热科学重点实验室,北京100084;2天津大学精密测试技术,300072)及仪器国家重点实验室天津。摘要颗粒浓度对于稠相流动体系中颗粒应力本构方程建立具有决定性的作用本文采用双流体模型,并结合颗粒流
4、动力学理论来描述固相应力的基础上实现了对喷动床的数值模拟,探讨了从喷射区到环隙区颗粒浓度的理论变化趋势同时采用自,,主开发的电容探针技术不仅颗粒浓度测量值和理论值吻合较好而且也准确地验证了颗粒非均匀夹带这一现象。电容探针还可灵敏地分辨出环隙区内不同床高处以及接近壁面处的颗粒浓度的细微变化;;;关键词喷动床数值模拟电容探针颗粒浓度:TK17:A:0253一23lX200505一0571一04中图分类号文献标识码文章编号()EXPERI入IENTALANDTHEORETICALSTUDIESONPARTICLE,CONCENTRA了IIONSINSPOUTEDBEDu
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6、tantroleintheestablishingoftheeonstitutionequationsofsolidPhasestressesPeeiallyinthedense一PhasePartieulateflowsystem.InthisPaper,bothEuleriansimulationandexperimentalstudiesofspoutedbedwerepresented.TheCFDmodel.一wasbasedonthetwofluidmodelineorPoratingthekinetietheoryofgralarflowThevar
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