ASTM E972-1996(2007) 用阳光对薄板材料的太阳能光度透设比的测试方法

作者:标准资料网 时间:2024-05-04 12:42:47   浏览:8628   来源:标准资料网
下载地址: 点击此处下载
【英文标准名称】:StandardTestMethodforSolarPhotometricTransmittanceofSheetMaterialsUsingSunlight
【原文标准名称】:用阳光对薄板材料的太阳能光度透设比的测试方法
【标准号】:ASTME972-1996(2007)
【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】:E44.05
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:传输;试验;光度;阳光;太阳能;薄板材;太阳辐射
【英文主题词】:photometer;sheetmaterials;solarluminoustransmittance;solarphotometrictransmittance;sunlight;transmittance
【摘要】:Glazedaperturesinbuildingsaregenerallyutilizedforthecontrolledadmissionofbothlightandsolarradiantheatenergyintothestructure.Otherdevicesmayalsobeusedtoreflectlightandsolarradiantheatintoabuilding.Thebulkofthesolarradiantenergyenteringabuildinginthismannerpossesseswavelengthsthatliefrom300to2500nm(3000to25000E).Onlytheportionfrom380to760nm(3800to7600E)isvisibleradiation,however.Indaylightingapplications,itisthereforeimportanttodistinguishtheradiant(solarradiantenergy)transmittanceorreflectanceofthesematerialsfromtheirluminous(light)transmittanceorreflectance.Forcomparisonsoftheenergyandilluminationperformancesofbuildingfenestrationsystemsitisimportantthatthecalculationormeasurement,orboth,ofsolarradiantandluminoustransmittanceandreflectanceofmaterialsusedinfenestrationsystemsusethesameincidentsolarspectraldistribution.Solarluminoustransmittanceandreflectanceareimportantpropertiesindescribingtheperformanceofcomponentsofsolarilluminationsystemsincludingwindows,clerestories,skylights,shadingandreflectingdevices,andotherpassivefenestrationsthatpermitthepassageofdaylightaswellassolarradiantheatenergyintobuildings.Thistestmethodisusefulfordeterminingthesolarluminoustransmittanceandreflectanceofopticallyinhomogeneoussheetmaterialsanddiffuselyreflectingmaterialsusedinnaturallightingsystemsthatareusedaloneorinconjunctionwithpassiveoractivesolarheatingsystems,orboth.Thistestmethodprovidesameansofmeasuringsolarluminoustransmittanceunderfixedconditionsofincidenceandviewing.Thistestmethodhasbeenfoundpracticalforbothtransparentandtranslucentmaterialsaswellasforthosewithtransmittancesreducedbyreflectivecoatings.Thistestmethodisparticularlyapplicabletothemeasurementofluminoustransmittanceofinhomogeneous,fiberreinforced,patterned,corrugated,orotherwiseopticallyinhomogeneousmaterialswhenthetransmittanceisaveragedoveranareathatislargeincomparisontotheinhomogeneities.1.1Thistestmethodcoversthemeasurementofsolarphotometrictransmittanceofmaterialsinsheetform.Solarphotometrictransmittanceismeasuredusingaphotometer(illuminancemeter)inanenclosurewiththesunandskyasthesourceofradiation.TheenclosureandmethodoftestisspecifiedinTestMethodE1175(orTestMethodE1084).1.2Thepurposeofthistestmethodistospecifyaphotometricsensortobeusedwiththeprocedureformeasuringthesolarphotometrictransmittanceofsheetmaterialscontaininginhomogeneitiesintheiropticalproperties.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:F12
【国际标准分类号】:17_180_20
【页数】:4P.;A4
【正文语种】:


下载地址: 点击此处下载
Product Code:SAE AS21911
Title:Tee, Bulkhead, Flareless Tube, Internal Thread on Run
Issuing Committee:G-3, Aerospace Couplings, Fittings, Hose, Tubing Assemblies
Scope:No scope available.【英文标准名称】:Informationtechnology-Securitytechniques-ITnetworksecurity-Part4:Securingremoteaccess
【原文标准名称】:信息技术.安全技术.IT网络安全.第4部分:远程访问安全
【标准号】:ISO/IEC18028-4-2005
【标准状态】:现行
【国别】:国际
【发布日期】:2005-04
【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/IECJTC1/SC27
【标准类型】:()
【标准水平】:()
【中文主题词】:配置;数据处理;数据保护;传播技术;无线;信息处理;LAN;定义;信息技术;数据安全;通路;数据传送;检查表;电路网络;远程访问
【英文主题词】:Access;Checklists;Circuitnetworks;Communicationtechnology;Configuration;Dataprocessing;Dataprotection;Datasecurity;Datatransfer;Definitions;Informationprocessing;Informationtechnology;LAN;Remoteaccess;Wireless
【摘要】:ThispartofISO/IEC18028providesguidanceforsecurelyusingremoteaccess–amethodtoremotelyconnectacomputereithertoanothercomputerortoanetworkusingpublicnetworksanditsimplicationforITsecurity.Inthisitintroducesthedifferenttypesofremoteaccessincludingtheprotocolsinuse,discussestheauthenticationissuesrelatedtoremoteaccessandprovidessupportwhensettingupremoteaccesssecurely.Itisintendedtohelpnetworkadministratorsandtechnicianswhoplantomakeuseofthiskindofconnectionorwhoalreadyhaveitinuseandneedadviceonhowtosetitupsecurelyandoperateitsecurely.
【中国标准分类号】:M11
【国际标准分类号】:35_040
【页数】:43P;A4
【正文语种】:英语