【英文标准名称】:Hydraulicturbines,storagepumpsandpump-turbines-Caviatationpittingevaltuation-Evalutioninreactionturbines,storagepumpsandpumps-turbines
【原文标准名称】:水轮机,蓄能泵和水泵水轮机.气蚀损坏的评定.反击式水轮机,蓄能泵和水泵水轮机的评定
【标准号】:BSEN60609-1-2005
【标准状态】:现行
【国别】:英国
【发布日期】:2005-02-10
【实施或试行日期】:2005-02-10
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:气蚀;定义;定义(术语);电气工程;评估;水压机;冲击式涡轮机;水泵水轮机;泵;蓄水泵;测试;涡轮机;水轮机
【英文主题词】:Cavitationcorrosion;Definition;Definitions;Electricalengineering;Evaluations;Hydraulicmachines;Impulseturbines;Pumpturbines;Pumps;Storagepumps;Testing;Turbines;Waterturbines
【摘要】:ThispartofIEC60609servesasabasisfortheformulationofguaranteesappliedtocavitationpittingforreactionhydraulicturbines,storagepumpsandpump-turbines.Itaddressesthemeasurementandevaluationoftheamountofcavitationpittingoncertainspecifiedmachinecomponentsforgivenconditions,whicharedefinedinthecontractbyoutput,specifichydraulicenergy(E),speed,material,operation,etc.Thecavitation-pittingevaluationisbasedonthelossofmaterialduringagiventimeandunderaccuratelydefinedoperatingconditions.Allwettedsurfacesareconsidered.Thecontractdocumentsshallstatewhethercavitationpittingonthehydraulicmachineshouldorshouldnotbeanticipatedinallorinsomeoperatingranges.Guaranteesthatrestricttheextentofcavitationpittingarenecessaryinthecontractwhethercavitationpittingisanticipatedornot.1ExcludedtopicsandlimitationsThisstandarddoesnotcoverothereffectswhichcavitationmaypossiblyhaveonthemachinesuchas:-output,efficiency,vibration,mechanicalintegrity,andnoise;and-materialdefectsrevealedduringoperation.Materialdefectsrevealedbywearonthemachinesurfacesduringoperationarenotincludedinaguaranteeagainstcavitationpitting.2ConsiderationsconcerningchemicalcompositionofwaterItisassumedinthisstandardthatthewaterisnotchemicallyaggressive.Incaseswherethewaterisconsideredtobechemicallyaggressive,thecavitation-pittingguaranteeshallbegivenonthebasisofanagreedwateranalysis.Sincechemicalaggressivenessisdependentuponsomanypossiblechemicalcompositions,andthematerialsofthemachine,itisbeyondthescopeofthisstandardtosetparticularlimits.Ifitbecomesapparentinthecourseoflateranalysisthatthewaterisinfactmoreaggressivethantheagreedanalysisindicated,thismustbetakenintoconsiderationwhenevaluatingwhetherthecavitation-pittingguaranteeshavebeenmet.Ifcavitationpittingoccursinzoneswheredamagecanbeseparatelyattributabletochemicalorelectrochemicalcorrosion,suchdamageshallbeexcludedfromtheevaluationofcavitationpitting.Ifcavitationpittingoccursinzoneswheredamagecanbeproventohavebeenincreasedbychemicalorelectrochemicaleffectsadditionaltothosenormaltocavitationinwateroftheagreedanalysis,thensuchzonesshallbeexcludedfromtheevaluationofcavitationpitting.3ConsiderationsconcerningwatercontainingsolidsAbrasionduetowatercontaminatedwithsolids(forexample,sand)cannotbeconsideredascavitation-pittingdamage.Whenamachineoperatesinwatercontainingasignificantamountofsolids,theweightlossofmaterialwillbeintensifiedduetothejointactionofbothcavitationpitting(ifitexists)andabrasion.Thedegreeofintensifyingdestructiondependsonvariousaspects,suchassedimentconcentration,mineralcomposition,sizegradationandimpactparameters(i.e.relativevelocityandincidenceangle)aswellasthematerialcharacteristicsandhydraulicmachineoperationconditions.Whenasurfaceisalteredbyabrasionerosion,cavitation-pittingdamagecanbeinitiatedandacceleratedbecauseofthehydraulicshapechange.Withrespecttomeasurementofdamage,itisimportanttorealizethat,forcavitationerosiondamageandabrasionerosiondamage,theappearance,positionandmechanismofdestructionisnotsimilar.Ifcavitationpittingoccursinzoneswheredamagecanbeseparatelyattributedtoabrasion,suchdamageshallbeexcludedfromtheevaluationofcavitationpitting.Whiletheexamplesofamountsofcavitationpittingandmeasurementmethodsgiveninthisstandardcovercavitation-pittingdamageonly,itmustberecognizedthatsomehydrositesoperateinwaterthatcontainssignificantamountsofsolidsforatleastsomeportionoftheyear.Sinceerosionduetoabrasionissodependento
【中国标准分类号】:J71
【国际标准分类号】:23_080;27_140
【页数】:24P.;A4
【正文语种】:英语
基本信息
| 标准名称： | 玻璃钢渔船建造检验要求 |
| 英文名称： | Test requirements of FRP fishing vessel |
| 中标分类： |
农业、林业 >>
农、林机械与设备 >>
渔业机械与设备 |
| 发布日期： | 2000-02-22 |
| 实施日期： | 2001-10-01 |
| 首发日期： | 1900-01-01 |
| 作废日期： | 1900-01-01 |
| 提出单位： | 全国渔船标准化技术委员会 |
| 归口单位： | 中国水产科学研究院 |
| 起草单位： | 中国水产科学研究院渔业工程研究所 |
| 起草人： | 邢亚平 |
| 出版社： | 中国标准出版社 |
| 出版日期： | 2001-10-01 |
| 页数： | 10页 |
适用范围
本标准规定了以玻璃纤维增强材料和不饱和聚酷树脂为主要构造材料，以手糊成型玻璃钢渔船的材料检验、模具检验、船体建造检验、船体密性试验、实船完工检验等检验要求。
本标准适用于船长12~30m的具有连续甲板结构的玻璃钢渔船的建造及验收。
前言
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目录
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引用标准
下列标准所包含的条文，通过在本标准中引用而构成为本标准的条文。本标准出版时，所示版本均为有效。所有标准都会被修订，使用本标准的各方应探讨使用下列标准最新版本的可能性。
GB/T 1446-1983 纤维增强塑料性能试验方法总则
GB/T 2577-1989 玻璃纤维增强塑料树脂含量试验方法
GB/T 3854-1986 纤维增强塑料巴柯尔硬度试验方法
SC/T 8053-2000 海洋渔船系泊、航行及捕捞试验通则
所属分类： 农业 林业 农 林机械与设备 渔业机械与设备