标准名称：	白铜化学分析方法 火焰原子吸收分光光度法测定镁量
中标分类：	冶金 >> 金属化学分析方法 >> 重金属极其合金分析方法
替代情况：	被GB/T 5121.1-.23-1996代替
发布日期：	1900-01-01
实施日期：	1988-12-01
首发日期：	1900-01-01
作废日期：	1900-01-01
出版日期：	1900-01-01
页数：	4页

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【英文标准名称】:StandardTestMethodforDeterminingthePerformanceofaSonicAnemometer/Thermometer
【原文标准名称】:测定声测风速计/温度计性能的标准试验方法
【标准号】:ASTMD6011-1996(2003)
【标准状态】:现行
【国别】:
【发布日期】:1996
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:D22.11
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:acceptanceangle;acousticpathlength;shadowcorrection;sonicanemometer;sonictemperature;somicthermometer;speedofsound;systemdelay;
【摘要】:Thistestmethodprovidesastandardmethodforevaluatingtheperformanceofsonicanemometer/thermometersthatuseinversetimesolutionstomeasurewindvelocitycomponentsandthespeedofsound.Itprovidesanunambiguousdeterminationofinstrumentperformancecriteria.Thetestmethodisapplicabletomanufacturersforthepurposeofdescribingtheperformanceoftheirproducts,toinstrumentationtestfacilitiesforthepurposeofverifyinginstrumentperformance,andtousersforspecifyingperformancerequirements.Theacousticpathlengthprocedureisalsoapplicableforcalibrationpurposespriortodatacollection.Proceduresforoperatingasonicanemometer/thermometeraredescribedinPracticeD5527.Thesonicanemometer/thermometerarrayisassumedtohaveasufficientlyhighstructuralrigidityandasufficientlylowcoefficientofthermalexpansiontomaintainaninternalalignmenttowithinthemanufacturer’specificationsoveritsdesignedoperatingrange.Consultwiththemanufacturerforaninternalalignmentverificationprocedureandverifythealignmentbeforeproceedingwiththistestmethod.Thistestmethodisdesignedtocharacterizetheperformanceofanarraymodelorprobedesign.Transducershadowdataobtainedfromasinglearrayisapplicableforallinstrumentshavingthesamearraymodelorprobedesign.Somenon-orthogonalarraysmaynotrequirespecificationoftransducershadowcorrectionsorthevelocitycalibrationrange.1.1Thistestmethodcoversthedeterminationofthedynamicperformanceofasonicanemometer/thermometerwhichemploystheinversetimemeasurementtechniqueforvelocityorspeedofsound,orboth.Performancecriteriainclude:(a)acceptanceangle,(b)acousticpathlength,(c)systemdelay,(d)systemdelaymismatch,(e)thermalstabilityrange,(f)shadowcorrection,(g)velocitycalibrationrange,and(h)velocityresolution.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:N11
【国际标准分类号】:17_200_10
【页数】:7P.;A4
【正文语种】: