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简介：考虑在精炼厂处理的实际粗略的板岩，做合理联合是必要的并且原油相配。为了在柴油应付高蜡内容，为了在柴油应付高蜡内容被建议适当地调整精制过程计划并且在在生产实践被使用以后把添加剂加到精制products.This措施引起了好结果并且满足了商业生产的需要。

简介：继2013年推出Monster1100EVODiesel特别限量版车型后,意大利时装品牌Diesel与杜卡迪再度合作,推出联名限量版车型＂DucatiDiavelDiesel＂,将自由与奔放融入杜卡迪Diavel摩托车上。

简介：Inthisarticle,theFCCdieselfuelischemicallytreatedwithGZreagent.Theexistentgum,insolublesafteroxidation,andiodinemunberaregreatlyreducedafterchermicaltreatment.Thismethodhasagoodeffectandissimple.Thismethodischaracterizedbyhighrecoveryrateoffuel(>99.7?andlowcost.Thepropertyofthemixtureofchemicallytreateddieselfuelwithstraight-rundieselfuelcanmeettherequirementsofnationalstandardGB252-2000.Thecolorandoxidationstabilityofthemixedfuelafterhavingbeenstoredforthreemonthswerestilllowerthanthevaluesspecifiedinthenationalstandard.

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简介：WITElectronicFuelSystemCo.,Ltd.hasdevelopedanewfuelinjector,theElectronicIn-linePump(EIP)system,designedtomeetChina’sdieselengineemissionandfueleconomyregulations.ItcanbeusedonmarinedieselenginesandcommercialvehicleenginesthroughdifferentEIPsystems.AnumericalmodeloftheEIPsystemwasbuiltintheAMESimenvironmentforthepurposeofcreatingadesigntoolforengineapplicationandsystemoptimization.Themodelwasusedtopredictkeyinjectioncharacteristicsunderdifferentoperatingconditions,suchasinjectionpressure,injectionrate,andinjectionduration.Tovalidatethesepredictions,experimentaltestswereconductedundertheconditionsthatweremodeled.Theresultswerequiteencouragingandinagreementwithmodelpredictions.AdditionalexperimentswereconductedtostudytheinjectioncharacteristicsoftheEIPsystem.Theseresultsshowthatinjectionpressureandinjectionquantityareinsensitivetoinjectiontimingvariations,thisisduetothedesignoftheconstantvelocitycamprofile.Finally,injectionquantityandpressurevs.pulsewidthatdifferentcamspeedsarepresented,animportantinjectioncharacteristicforEIPsystemcalibration.

简介：Dieselsootisrelatedtoincompletefueloxidation,andpossessesthewell-knownmutageniceffectsonhumanhealth.Dieselsootwascollectedfromdieselenginesandoxidizedinlaboratorialmicroreactorbyseveralpreparedrareearth-basedcatalystswithorwithoutdifferentharmfulmonoxidegasessuchasNO,andactivitiesofseveralrareearthcatalystswerestudied.Theresultsindicatethatsootcanbemoreeasilyoxidizedwithmonoxidegases.

简介：为平衡4击的燃料注射调整的一个模型联合geneset的六台柱体柴油机引擎被在由机轴的速度变化的频率分析操作引擎检测不平衡开发。在这个工作，机轴被认为是僵硬身体，以便它的尖速度的变化能直接被相关到全部的煤气压力的转矩。由分析仅仅更低的泛音订单，速度变化光谱能滤出机轴的动态反应生产的失真。这些泛音订单带的信息允许建立在大小和引擎的平均煤气的压力转矩之间的关联，并且检测不平衡并且识别有缺点的柱体。详细说明的试验性的读在在护胫棉花有限公司Pune的测试床上联合genset的柴油机引擎上被拿，印度。

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简介：Theneedforcleanerfuelshasresultedinacontinuingworldwidetrendtoreducedieselsulfurandaromatics.Therearemanyapproachestoreducingsulfurandaromaticsindiesel.Mostofthemhaveacommondrawbackofhighcostbecauseofadoptingtwostagesofhydrotreatingandusingnoble-metalcatalyst,especiallyforreducingaromatics.TheattempttoresolvethisissuehasledtotherecentdevelopmentoftheSingleStageHydrotreating(SSHT)processbyResearchInstituteofPetroleumProcessing(RIPP),SINOPEC.TheSSHTprocessisasingle-stagehydrotreatingtechnologyforproducinglowsulfurandlowaromaticsdiesel.Theprocessusesoneortwonon-noble-metalcatalystssystemandoperatesatmoderatepressure.Whenrevampinganexistingunittomeetlowaromaticsdieselspecification,theonlythingtodoistoaddareactororreplacetheexistingreactor,Inpilotplanttests,theSSHTtechnologyhassuccessfullytreatedSRGO(StraightRunGasOil),LCO(LightCycleOil)ortheblendofthem.ItisshownthatbyusingtheSSHTprocessdieselwithsulfurof30ppmandaromaticsof15m%canbeproducedfromMiddle-EastSRGOanddieselwitharomaticscontentof25m%canbeproducedfromcrackedfeed,suchasFCC-LCO.Highdieselyieldandcetanenumbergain(fromcrackedfeedstocks)givetheSSHTtechnologyaperformanceadvantagecomparedtoconventionalhydrocrackingandhydrotreatingprocesses.Thelowerinvestmentandoperatingcostisanotheradvantage.ThefirstcommercialapplicationoftheSSHTtechnologyhasbeeninoperationsinceSeptember2001.

简介：与不同特征的二剩余油的热升级在实验室规模被学习连续推迟的coking单位。目标是在液体产量和产品分发上调查象温度，反应时间和添加剂那样的进程变量的影响。73%的最大的液体收益与商业单位与69%相比被完成。这收益甚至在添加剂的效果下面被增加到75%。由模仿的真空蒸馏的液体油的分别为商业单位显示出柴油机(46.9%)的高收益，与28%相比。

简介：Dependentonautomaticallygeneratedunstructuredgrids,acomprehensivecomputationalfluiddynamics(CFD)numericalsimulationisperformedtoanalyzetheinfluenceofnozzlegeometryontheinternalflowcharacteristicsofamulti-holedieselinjectorwiththemulti-phaseflowmodelbasedonEulerianmulti-fluidmethod.Thedieselcomponentsinnozzleareconsideredastwocontinuousphases,dieselliquidanddieselvaporrespectively.Consideringthatbothofthemarefullycoupledandinterpenetrated,sepa...

简介：整体的一个混血儿实验模式分解和实验模式分解(EEMD-EMD)被介绍诊断阀门耳光颤动信号，它相对一台柴油机引擎在最高的死了的中心(TDC)附近给出的主导的燃烧敲击颤动信号。EEMD-EMD分解的内在的模式功能(IMF)的时间频率代表被适应概括S变换(AGST)获得。A类型493柴油机引擎被用于实验，并且结果显示柴油机引擎的阀门耳光是严肃的，并且颤动频率比燃烧敲击高。与EEMD-EMD-AGST途径，阀门耳光能被柴油机引擎的颤动分析识别。

简介：Anewcontinuousprocessforpreparingmethanol-dieselemulsifiedfuelwithanImpingingStream-RotatingPackedBedisproposed.Thedropletsizeofdispersedphase(methanol)oftheemulsifiedfuelhasasignificanteffectonthecombustionofmethanol-dieselemulsifiedfuel.Inthispaper,themethanol-dieselemulsifiedfuelusesdieselasthecontinuousphaseandmethanolasthedispersedphase.TheSautermeandiameterofthedispersedphaseofmethanol-dieselemulsifiedfuelwascharacterizedwithmicrophotographyandarithmeticmethod.TheexperimentalresultshowedthattheSautermeandiameterofthedispersedphase,whichwasdecreasedwiththeaugmentationofthehighgravityfactor,liquidflowrateandemulsifierdosage,wasinverselyproportionaltothemethanolcontent.TheSautermeandiameterofthedispersedphasecanbecontrolledandadjustedintherangeof12—40μmthroughthechangeofoperatingconditions.ThecorrelativeexpressionsoftheSautermeandiameterofemulsifiedfuelwereobtainedandthecalculatedvaluesagreedwellwiththeexperimentalvalues.

简介：Themarinemedium-speeddieselenginesarestartedbytwomethods;oneistheelectricmotors,andtheotherairstartingmotors.Eventhoughairstartingmotorisdependentoftheenginetypesandsizes,ithasbeenwidelyusedinthisareaduetoitssimplicity,convenienceandreliability.Thepurposeofthispaperistogivethedesigningparametersinordertomakeaproper'AirStartingMotor'usingCFD.Theaerodynamicapproachesweregiventounderstandtheinternalflowcharacteristicsoftheairstartingmotor.Inaddition,wehavecarriedouttheinvestigationofeffectsoftipclearance.Inthecalculationsthetipclearanceofairstartingmotorhasbeenvariedbetween0,2.8,4.3and5.7%ofbladespan.Theresultsofcomputationarethetipclearanceincreasedto2.8%,thetorquedecreased24%,andtherewasnomorelargechangeswhentheclearancesincreasedto4.3%and5.7%.

简介：有不同元素dopings的极其细小的基于Ce的氧化物nanoparticles(Zr，Y)被传播micropores的一起沉淀(MDC)的方法作为降水代理人用氨答案综合。为煤烟氧化的催化剂的活动被规划温度的氧化(TPO)评估反应。基于Ce的氧化物在这准备了学习为在在煤烟粒子和催化剂之间的松开的接触的条件下面的煤烟氧化的展出高催化的活动，和为煤烟燃烧的极其细小的Ce0.9Zr0.1O2nanoparticle的催化活动最高，364是其T10，T50和SCO2m，442???‰眠?ㄥ‵瑷吗？

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简介：基于小浪包转变(WPT)，基因算法(GA)，神经网络(BPNN)和支持向量用机器制造的背繁殖(SVM)，柴油机引擎阀门清理的一个差错诊断方法被介绍。与力量光谱密度分析，与运用条件的引擎有关的典型频率能从颤动信号被提取。小浪系数和根的最大的单个值(BSV)意味着在典型频率亚乐队的颤动的平方(RMS)值在颤动信号的第三水平分解的目的被提取，并且他们被用作BPNN或SVM的输入向量。为了避免，在本地最小被套住，GA被采用。正常和处于不同阀门清理条件测量的差错颤动信号被分析。BPNN，GA背繁殖神经网络(GA-BPNN)，SVM和GA-SVM被用于为不同特征的抽取训练并且测试，并且分类精确性和训练时间与相比决定最佳差错分类器和特征选择。试验性的结果证明建议特征和分类算法给100%的分类精确性。