DIN 1654 T.1-1989 冷镦钢和冷挤压钢.交货技术条件.总则
时间:2024-05-27 23:29:44 来源: 标准资料网 作者：标准资料网 阅读：8972
【英文标准名称】:Coldheadingandcoldextrudingsteels;technicaldeliveryconditions;general
【原文标准名称】:冷镦钢和冷挤压钢.交货技术条件.总则
【标准号】:DIN1654T.1-1989
【标准状态】:作废
【国别】:
【发布日期】:
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:
【国际标准分类号】:
【页数】:
【正文语种】:
【英文标准名称】:Windturbinegeneratorsystems-Part11:Acousticnoisemeasurementtechniques
【原文标准名称】:风轮发电机系统.第11部分:噪音测量技术
【标准号】:IEC61400-11-2002
【标准状态】:作废
【国别】:国际
【发布日期】:2002-12
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/TC88
【标准类型】:()
【标准水平】:()
【中文主题词】:测量技术;声级;声学;噪声辐射;风能;定义;风力电站;测量;发电机;声音传播;风力涡轮机
【英文主题词】:Acousticmeasurement;Acoustics;Airbornenoise;Data;Definitions;Evaluations;Generators;Measurement;Measurementset-up;Measuringtechniques;Noisecontrol(acoustic);Noiseemissions;Noise(environmental);Sound;Soundlevel;Soundpropagation;Winddirections;Windpower;Windpowerstations;Windspeed;Windturbinegeneratorsystems;Windturbines;Windvelocity
【摘要】:ThispartofIEC61400presentsmeasurementproceduresthatenablenoiseemissionsofawindturbinetobecharacterised.Thisinvolvesusingmeasurementmethodsappropriatetonoiseemissionassessmentatlocationsclosetothemachine,inordertoavoiderrorsduetosoundpropagation,butfarenoughawaytoallowforthefinitesourcesize.Theproceduresdescribedaredifferentinsomerespectsfromthosethatwouldbeadoptedfornoiseassessmentincommunitynoisestudies.Theyareintendedtofacilitatecharacterisationofwindturbinenoisewithrespecttoarangeofwindspeedsanddirections.Standardisationofmeasurementprocedureswillalsofacilitatecomparisonsbetweendifferentwindturbines.Theprocedurespresentmethodologiesthatwillenablethenoiseemissionsofasinglewindturbinetobecharacterisedinaconsistentandaccuratemanner.Theseproceduresincludethefollowing:·locationofacousticmeasurementpositions;·requirementsfortheacquisitionofacoustic,meteorological,andassociatedwindturbineoperationaldata;·analysisofthedataobtainedandthecontentforthedatareport;and·definitionofspecificacousticemissionparameters,andassociateddescriptorswhichareusedformakingenvironmentalassessments.Thestandardisnotrestrictedtowindturbinesofaparticularsizeortype.Theproceduresdescribedinthisstandardallowforthethoroughdescriptionofthenoiseemissionfromawindturbine.If,insomecases,lesscomprehensivemeasurementsareneeded,suchmeasure-mentsaremadeaccordingtotherelevantpartsofthisstandard.
【中国标准分类号】:F11
【国际标准分类号】:17_140_20;27_180
【页数】:43P;A4
【正文语种】:英语
Product Code:SAE AMS4375
Title:Sheet and Plate, Magnesium Alloy, 3.0Al - 1.0Zn - 0.20Mn (AZ31B-0) Annealed and Recrystallized
Issuing Committee:Ams D Nonferrous Alloys Committee
Scope:This specification covers a magnesium alloy in the form of sheet and plate.