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  • 简介:6月3日上午,英国南安普顿索伦特大学国际办主任JoNesbitt女士、率领该大学艺术学院院长PaulMarchbank先生以及音乐系系主任PaulRutter副教授来访我校。学校党委招乐副书记在行政楼五楼会客室接见了英国来宾,并向来宾介绍了我校的概况以及我校艺术设计学院的基本情况。

  • 标签: 校党委 艺术学院院长 艺术设计学院 行政楼 索伦 生活素材
  • 简介:Severalindustrialapplicationssuchaselectronicdevices,heatexchangers,gasturbineblades,etc.needcoolingprocesses.Theinternalcoolingtechniqueisproperforsomeapplications.Inthepresentwork,computationalsimulationsweremadeusingANSYSCFXtopredicttheimprovementsofinternalheattransferintherectangularribbedchannelusingdifferentcoolants.Severalcoolantssuchasair,steam,air/mistandsteam/mistwereinvestigated.Theshearstresstransportmodel(SST)isselectedbycomparingthestandardk-ωandOmegaReynoldsStress(ωRS)turbulencemodelswithexperimentalresults.Theresultsindicatethattheheattransfercoefficientsareenhancedintheribbedchannelwhileinjectingsmallamountsofmist.Theheattransfercoefficientsofair/mist,steamandsteam/mistincreaseby12.5%,49.5%and107%overthatofair,respectively.Furthermore,incomparisontoair,theair/mistheattransfercoefficientenhancesbyabout1.05to1.14timeswhenthemistmassfractionincreasesfrom2%to8%,respectively.Thesteam/mistheattransfercoefficientincreasesbyabout1.12to1.27timeshigherthanthatofsteamovertheconsideredrangeofmistmassfraction.

  • 标签: heat transfer RIB ROUGHNESS MIST rectangular