欢迎来到天天文库
浏览记录
ID:11434827
大小:81.50 KB
页数:8页
时间:2018-07-12
《俄罗斯核动力破冰船-亚马尔号资料》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、TheYamal-aNuclearPoweredIcebreakerTheYamalisanuclearpoweredicebreakerplannedandstartedunderconstructioninSovietEraRussia.SheistheyoungestoffiveArktikaclassshipsbuiltfromthemid1970's.Herkeelwaslaidin1986inSt.Petersburg,bythetimeshewaslaunchedinOctober1992communismhadcollapsedinRussia.Lik
2、emanyotherRussianicebreakers,theYamalisnowcharteredoutonotheroperations,particularlyfortouriststoearnmuchneedforeigncurrency.Theoriginalpurposeofbeingusedtokeepnorthernnavigationalroutesopenduringthewinter,isnowlessimportant.Fortheirsize,theArktikaclassshipsareamongstthemostpowerfulands
3、ophisticatedeverbuilt.Thename"Yamal"means"EndoftheEarth"itisalsoappliedtotheYamalPeninsulaforthesamereason.BuiltentirelyforserviceintheArcticseas,theYamalisunabletovoyagetotheAntarcticbecauseofhercoolingsystem.Thisrequiresthatitbesuppliedwithcoldseawatertooperateproperly,iftheshipwereto
4、voyagetoAntarcticaitwouldhavetocrosstheequatorandsailthroughthetropicswherethewaterismostdefinitelywarm.HencetheYamalandhersistershipsareconfinedtotheNorthernpolarregion.TheYamalisoneofthefewicebreakersthathavesailedtotheNorthPolehavingdonesoforamillennialcruisearrivingintimeforthe1stof
5、January2000withacomplimentofpayingpassengers.SpecificationsLength:150m(136matthewaterline),Breadth:30m(28matthewaterline),Draft:11.08m,Height:keeltomasthead55m.·Displacement:23,455tonnes.·Powerissuppliedbytwopressurizedwaternuclearreactors,eachcontains245enricheduraniumfuelrods.Eachreac
6、torweighs160tonnesandareinaclosedcompartmentunderreducedpressure-intheeventofaleak,theleakwouldbeinandnotout.·Maximumfueluseis300gofheavyuraniumisotopesperdaywhenbreakingthickice.Reactorshold500kgeachwhenfullyfuelled,enoughforabout5years.·Thereactorsareshieldedbysteel,highdensityconcret
7、eandwater.Thenuclearchainreactioncanbestoppedin0.6sbyfullinsertionofthecontrolrods.·Radiationontheshipismonitoredby86sensorsthroughoutthevesselfromwithinthereactorcompartmenttoaccommodationareas.·Thereactorcoresareusedtoheatwaterupandproducepressurizedsteamat30kgcm2.Eachreactor
此文档下载收益归作者所有