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  • 简介:摘要:进行FLNG上部模块总体布置分析,通过资料查找、理论分析法,阐述FLNG定义、总结FLNG上部模块总体布置特点。在文章核心模块,围绕设定总体布置方案、把握上部各模块布置要点等展开讨论,优化总体布置过程、提升布置效果,并为其他相关研究提供可靠参考。

  • 标签: FLNG 上部模块 总体布置 特点 途径
  • 简介:本期,我们将学习一些有关提前预约方面的语句,如预订餐厅座位,旅馆房间、机票、演唱会门票等。另外,还会学习到几个相关的俚语词汇。(更多说法请听光盘中的讲解!)

  • 标签: 俚语 词汇 大学英语 跨文化交际 礼仪知识 英汉对照
  • 简介:据悉,由于压载水舱涂料层出现问题,三星重工将不得不再次推迟为壳牌建造的全球最大浮式液化天然气船——“PreludeFLNG”的交付时间至2018年。从而,很可能把该船的项目造价由原定的50亿美元进一步增至120亿美元。

  • 标签: 时间 交付 三星 液化天然气船 PRELUDE 延期
  • 简介:Inthispaperalumpedparametermodelofatwo-passgas-to-gascrossflowheatexchangerwithhighspeedairflowhasbeenpresentedfortheinvestigationofitstransientbehaviours.Theeffectsofboththechangesofinlettemperatureandflowrateonoutlettemperaturecanbepredictedwiththismodel.Thecalcuationresultsundertypicalconditionsarecomparedwithexperimentalresultsandgoodagreementsareobtained.

  • 标签: 热交换器 集中参数 瞬变现象
  • 简介:Amajorenergyconservationandretrofittingproject—ap-plicationofnaturalgasassupplementaryfuelforsteamcrackershasbeensuccessfullyputintooperationstartingApril30,2008attheSINOPECYangziPetrochemicalCompany.Foralongtimethesteamcrackersintheoldandnewplant-sitesattheYangziPetrochemicalCo.usedtoconsumemeth-

  • 标签: 石油化工产品 石油化工行业 公司 业务
  • 简介:Thebasinsbcaring0ilandgasinChinab1ongt0mu1titudinousmassifbasinswliichevo1vcdandformcdduringdiwaperiodf0llowingtheplatf0rmdisintegration.Nomatterint0whatstageintect0nicev0lutiondidabasindeve10p,thccrust0bodycharactcr0fthcbasinbasementhastliesamesignaturc.IntheBohaigulfbasinctc’whichhasc0met0diwasta8

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  • 简介:SystemofProvidingTEGas¥LiXuekuan;HeYusheng;ZhuLianfang;ChenXuebing;SuYouwuandJiaoDunpangThesystemofprovidingTEgasforcylinderf...

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  • 简介:Stronghydrodynamicinteractionsduringtheside-by-sideoffloadingoperationbetweenfloatingliquefiednaturalgas(FLNG)andliquefiednaturalgascarrier(LNGC)caninducehighrisksofcollision.Theweathervaneeffectofasingle-pointmooringsystemnormallyresultsinthesatisfactoryhydrodynamicperformanceoftheside-by-sideconfigurationinheadseas.Nevertheless,thechangesinwavedirectionsinrealseaconditionscansignificantlyinfluencetherelativemotions.Thisarticlestudiestherelativemotionsoftheside-by-sidesystembyusingthetheoreticalanalysismethodandthenumericalcalculationmethod.Basedonthethree-dimensionalpotentialtheorymodifiedbyartificialdamping-lidmethod,thefrequency-domainhydrodynamiccoefficientscanbeimprovedtocalculatetheretardationfunctionsforthemulti-bodyproblem.Anin-housecodeisthendevelopedtoperformthetime-domainsimulationoftwovessels,throughwhichtherelativemotionsaresubsequentlyobtained.Arangeofobliquewavesarechosenfortheextensivecalculationofrelativemotionsbetweenthetwovessels,whicharefurtheranalyzedintermsofthephaseshiftofmotionresponsesinducedbyspecificresonantwavepatterns.Investigationresultsshowthatwavedirectionshaveasignificantinfluenceontherelativesway,roll,andyawmotions.Underthecircumstancethattheabsolutephaseshiftbetweentherollmotionsoftwovesselsapproaches180°,strongerrelativemotionsareinducedwhenLNGCisontheweatherside.Moreover,thegapwaterresonancesathighfrequenciestendtocausethedangerousopposedoscillationoftwovesselsintheswayandyawmodes,whereasFLNGreducesthegapwaterresonancesandrelativemotionswhenlocatedontheweatherside.

  • 标签: FLOATING liquefied natural gas(FLNG) Multi-body system
  • 简介:Theplasma-neutralgasstructuregeneratedinamagnesiumcathodicarcoperatedwithoxygengasataconstantcurrentof50Ahasbeeninvestigatedbyemployingasimplifiedone-dimensionalfluidmodel.Themodelincludeselasticcollisionsandcharge-exchangereactionsbetweenmetallicparticlesandgasmolecules,andalsogenerationandrecombinationofgaseousionsbyelectronimpact.Thedistributionprofilesofdensityandvelocityofspeciesalongtheaxialdirectionwereobtainedatdiferentbackgroundgaspressures(intherangeof0.7~3.0Pa)bythismodel.Acomparisonwiththeexperimentswasmade.Atlowergaspressures,thedepositingparticlesweremainlythemetallicionswithalargerkineticenergy.Asthegaspressureincreased,themagnesiumatomswithsmallerkineticenergyactedasthedominantdepositingspecies.Determinedbytheminimizationofthesystem’stotalenergy,MgO(100)or/andMgO(110)orientationappearedeasilyintheMgOfilmsatlowergaspressures,andathighergaspressures,thefilmpreferredorientationwasMgO(111).

  • 标签: 电弧等离子体 气体压力 实验比较 阴极电弧 镁原子 体结构
  • 简介:Inthisarticletheemphasiswasgiventothediscussionoftheeffectsofdiameterratioandswirlingoninstabilitycharacterforthegas/liquidcoaxialjetusedbyLiao,etal.[1].Theresultsindicatethatthefinitediameterratiomarkedlyincreasesthemaximumgrowthrate,themostunstablewavenumber,aswellasthecutoffwavenumber.Itimpliesthatthefinitediameterratiowillleadtotheliquidjetbreakuplengthshorterandtheliquiddropsizesmaller.Theeffectoftheswirlingjetsismuchmorecomplex:fortheaxisymmetricperturbationmode,theswirlingenhancestheflowstability,forhelicalperturbation,thedominantinstabilitymodeoccursatn<0.Anditisfoundthatinlongwaveregionthereexistsanewkindofinstabilitymodesatn=1thatwasnotmentionedinLiaoetal.'sarticle.Forthisnewmode,thereappearsadominatedswirlingratioatwhichtheflowhasthemaximumgrowthrate.

  • 标签: 不稳定性特征 直径比例 旋涡比例 气液混合流 射流
  • 简介:数据熔化,新研究域,是现代信息技术和许多另外的题目的集成和扩展。数据熔化概念被介绍,Dempster-Shafer证据推理被描述并且适用于油和煤气的察觉。方法的一个例子用数字模拟数据被显示出。处理结果显示数据熔化方法能广泛地在烃察觉被使用。

  • 标签: 信息融合 综合推理 DEMPSTER-SHAFER理论 油气预测 数值模拟
  • 简介:Inordertoidentifyheavierelements,wehavedevelopedanewlongitudinalfieldgasionizationchamber(IC)withanangleof30°ofplate(asshowninFig.1).TheICisoperatedinflowingiso-butanegasatapressureof10kPa.Aftertestingbyusinga3-componentαparticlesourceandcomparingwiththeoldlongitudinalfield

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  • 简介:比利时船东Exmar希望在明年宣布执行在惠生海工的备选订单,订造第二艘浮式液化天然气(FLNG)装置。Exmar基础设施总经理BartLavent表示,公司正在考虑订造I艘年产量达100万吨的FLNG,用于开发合作伙伴PacificRubiales在秘鲁的天然气设施。Lavent称,公司将在明年做出执行备选订单的决定。

  • 标签: 比利时 订单 海工 液化天然气 基础设施 合作伙伴