ASTM E598-1996(2002) 用瞬变零点量热器测量高能环境的超级传热速率的方法
时间:2024-05-16 17:22:53 来源: 标准资料网 作者：标准资料网 阅读：9922
【英文标准名称】:StandardTestMethodforMeasuringExtremeHeat-TransferRatesfromHigh-EnergyEnvironmentsUsingaTransient,Null-PointCalorimeter
【原文标准名称】:用瞬变零点量热器测量高能环境的超级传热速率的方法
【标准号】:ASTME598-1996(2002)
【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(US-ASTM)
【起草单位】:E21.08
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:测量仪器;航空航天运输;热传递;材料;测量技术;热量计;能量;航天技术
【英文主题词】:calirometer;convective;heatflux;heatfluxgage;null-point;radiative;transienttemperature
【摘要】:1.1Thistestmethodcoversthemeasurementoftheheat-transferrateortheheatfluxtothesurfaceofasolidbody(testsample)usingthemeasuredtransienttemperatureriseofathermocouplelocatedatthenullpointofacalorimeterthatisinstalledinthebodyandisconfiguredtosimulateasemi-infinitesolid.Bydefinitionthenullpointisauniquepositionontheaxialcenterlineofadisturbedbodywhichexperiencesthesametransienttemperaturehistoryasthatonthesurfaceofasolidbodyintheabsenceofthephysicaldisturbance(hole)forthesameheat-fluxinput.1.2Null-pointcalorimetershavebeenusedtomeasurehighconvectiveorradiantheat-transferratestobodiesimmersedinbothflowingandstaticenvironmentsofair,nitrogen,carbondioxide,helium,hydrogen,andmixturesoftheseandothergases.Flowvelocitieshaverangedfromzero(static)throughsubsonictohypersonic,totalflowenthalpiesfrom1.16togreaterthan4.65x101MJ/kg(5x102togreaterthan2x104Btu/lb.),andbodypressuresfrom105togreaterthan1.5x107Pa(atmospherictogreaterthan1.5x102atm).Measuredheat-transferrateshaverangedfrom5.68to2.84x102MW/m2(5x102to2.5104Btu/ft2-sec).1.3Themostcommonuseofnull-pointcalorimetersistomeasureheat-transferratesatthestagnationpointofasolidbodythatisimmersedinahighpressure,highenthalpyflowinggasstream,withthebodyaxisusuallyorientedparalleltotheflowaxis(zeroangle-of-attack).Useofnull-pointcalorimetersatoff-stagnationpointlocationsandforangle-of-attacktestingmayposespecialproblemsofcalorimeterdesignanddatainterpretation.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:A42
【国际标准分类号】:17_200_10
【页数】:10P.;A4
【正文语种】:
【英文标准名称】:Fibreopticinterconnectingdevicesandpassivecomponentperformancestandard-Part021-2:fibreopticconnectorsterminatedonsingle-modefibreforcategoryC-Controlledenvironment.
【原文标准名称】:光纤互连装置和无源部件性能标准.第021-2部分:终接在C类单模光纤连接器.受控环境
【标准号】:NFC93-909-021-2-2002
【标准状态】:现行
【国别】:法国
【发布日期】:2002-12-01
【实施或试行日期】:2002-12-20
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:电气工程;无源的;测量;内径;测量技术;连接工艺;玻璃纤维电缆;光波导;环境条件;元部件;电子设备及元件;尺寸;露天;性能;规范(验收);紧固件;外径;金属箍;直径;电插头;单模纤维;光纤;电缆;试验
【英文主题词】:Cables;Components;Connectiontechnology;Damping;Definition;Definitions;Degreeofsharpness;Diameter;Dimensions;Electricplugs;Electricalengineering;Electronicequipmentandcomponents;Environmentalconditions;Fasteners;Ferrules;Fibreoptics;Glassfibrecables;Insidediameters;Measurement;Measuringtechniques;Monomodefibres;Openair;Opticalwaveguides;Outsidediameters;Passive;Performance;Specification(approval);Testing
【摘要】:
【中国标准分类号】:M33
【国际标准分类号】:33_180_20
【页数】:23P;A4
【正文语种】:其他
【英文标准名称】:Textilemachinery-Noisetestcode-Part1:Commonrequirements;Amendment1
【原文标准名称】:纺织机.噪音试验规程.第1部分:通用要求.修改件1
【标准号】:ISO9902-1AMD1-2009
【标准状态】:现行
【国别】:国际
【发布日期】:2009-03
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC72
【标准类型】:()
【标准水平】:()
【中文主题词】:声学测量;声试验;声学;测定;噪声排放;噪声测量;声级;声源;规范(验收);测试;纺织机器;纺织机械
【英文主题词】:Absorption;Acousticmeasurement;Acoustictesting;Acoustics;Airbornenoise;Area;Checkpoint;Corrrections;Crosswindingmachines;Definitions;Determination;Envelopingsurfacemethods;Externalnoise;Flyerframes;Forms(paper);Frequencies;Handling;Information;Installations;Interpretations;Layout;Machines;Measurement;Measurementconditions;Measurementofairbornenoise;Measuringdistances;Measuringincertainity;Measuringinstruments;Measuringobjects;Measuringresults;Measuringrooms;Measuringsurfaces;Measuringtechniques;Mechanicalengineering;Mobile;Noise;Noisecharacteristic;Noisecontrol(acoustic);Noiseemissions;Noise(environmental);Noisemeasurements;Operatingconditions;Operatingstations;Plantsforcleaning;Position;Precision;Ratings;Referencecubes;Ringframes;Roomcorrections;Rooms;Sound;Soundabsorption;Soundabsorptioncoefficient;Soundlevel;Soundlevels;Soundpower;Soundpressure;Soundpressurelevel;Soundsources;Specification(approval);Tearingmachines;Testcertificates;Testreport;Testing;Textile;Textilemachinery;Textilemachines;Typeofmachine;Uncertainties;Vibrationengineering;Warpingframes;Wear-quantity;Workingnoises;Zonesofreach
【摘要】:
【中国标准分类号】:W90;Z32
【国际标准分类号】:17_140_20;59_120_01
【页数】:2P;A4
【正文语种】:英语