【英文标准名称】:StandardGuideforTestingVarnishes
【原文标准名称】:清漆试验的标准指南
【标准号】:ASTMD154-1985(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:1985
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:D01.33
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:dryingandcuringproperties;varnishacidvalue;varnishflashpoint;varnishnonvolatilecontents;varnishphysicalproperties;varnishspecificgravity;varnishvolatilecontents;varnishviscosity;Testingmethods--paints/relatedcoatings;Varnishes;
【摘要】:1.1Thisguidecoverstheselectionanduseofproceduresfortestingvarnishes.Sometestmethodsareincluded,butmostsectionsrefertospecificASTMtestmethods.1.2Varnishesmaybeappliedundersuchdiverseconditionstosomanydifferentsurfacesandtheirdriedfilmsmaybesubjectedtosomanykindsofwearandexposure,thatitisnotpossibletoassuredesiredperformancefromasingleselectionoftestmethodsandnumericalresults.Thoseskilledinvarnishtechnologymayfindpartialassuranceofobtainingdesiredqualitiesinvarioustypesofvarnishesthroughcarefulselectionofthemethodscoveredandintelligentinterpretationofresults.1.3Thevaluesstatedininch-poundunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G51
【国际标准分类号】:
【页数】:4P.;A4
【正文语种】:英语


【英文标准名称】:Mechanicalvibrationofnon-reciprocatingmachines-Measurementsonrotatingshaftsandevaluationcriteria-Gasturbinesets
【原文标准名称】:非往复式机械的机械振动.旋转轴的测量和评估标准.第4部分:燃气轮机机组
【标准号】:BSISO7919-4-1996
【标准状态】:作废
【国别】:英国
【发布日期】:1996-12-15
【实施或试行日期】:1996-12-15
【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】:振动测量;涡轮机;转子;轴(旋转);振动强度;工业的;燃气轮机;涡轮机部件;旋转部件;振动
【英文主题词】:Acoustics;Estimation;Evaluations;Gasengines;Gasturbines;Generatingsets;Machines;Measurement;Measuringtechniques;Mechanicalengineering;Rotaryengines;Rotatingmachines;Shafts(rotating);Steamturbines;Steamturbosets;Testing;Tests;Turbines;Vibration;Vibrationengineering;Vibrationmeasurement;Vibrationtests
【摘要】:ThispartofISO7919givesguidelinesforapplyingevaluationcriteriaforshaftvibrationundernormalop-eratingconditions,measuredatorclosetothebearingsofgasturbinesets.Theseguidelinesarepresentedintermsofbothsteadyrunningvibrationandanymagnitudechangeswhichmayoccurinthesesteadyvalues.Thenumericalvaluesspecifiedarenotintendedtoserveastheonlybasisforvibrationeval-uationsince,ingeneral,thevibratoryconditionofamachineisassessedbyconsiderationofboththeshaftvibrationandtheassociatedstructuralvibration(seetheintroductiontoISO7919-1).ThispartofISO7919appliestoallgasturbinesets(includingthosewithgears)withfluid-filmbearings,outputsgreaterthan3MWandshaftrotationalfre-quenciesfrom3000r/minto30000r/min.Aircraftderivativeenginesareexcluded,sincetheydifferfundamentallyfromindustrialgasturbinesets,bothinthetypeofbearings(rollingelementbearings)andinthestiffnessandmassratiosoftherotorandsupportstructure.Dependingontheconstructionandmodeofoperation,therearethreeprinciplegroupingsofgasturbinesets:—single-shaftconstant-speedgasturbinesets;—single-shaftvariable-speedgasturbinesets;—gasturbinesetswithseparateshaftsforhotgasgenerationandpowerdelivery.NOTE1Initiallythesethreegroupswillbeassessedinauniformmanner.Itispossible,however,thatindividualcaseswillhavetobeassesseddifferently.
【中国标准分类号】:J04
【国际标准分类号】:17_160;29_160_40
【页数】:14P.;A4
【正文语种】:英语