热门站点| 世界资料网 | 专利资料网 | 世界资料网论坛
收藏本站| 设为首页| 首页

SAE AMS3170 Thinner, Alcohol-Ester (Cancelled Feb 2008)

作者:标准资料网 时间:2024-05-14 21:08:39  浏览:8561   来源:标准资料网
下载地址: 点击此处下载
Product Code:SAE AMS3170
Title:Thinner, Alcohol-Ester (Cancelled Feb 2008)
Issuing Committee:Ams B Finishes Processes And Fluids Committee
Scope:This specification covers a blend of alcohols and esters in the form of a liquid.
下载地址: 点击此处下载
【英文标准名称】:StandardPracticeforEvaluatingAbsorptiveSolarReceiverMaterialsWhenExposedtoConditionsSimulatingStagnationinSolarCollectorsWithCoverPlates
【原文标准名称】:暴露在有盖板的太阳能收集器中模拟滞流的条件下太阳能内存材料的吸收性评定的标准实施规范
【标准号】:ASTME781-1986(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:1986
【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】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:absorber;absorptance;aging;coverplates;emittance;outdoorweathering;selectiveabsorber;solarcollectors;stagnation;thermaltesting;weathering;Absorption--solarmaterials;Coatings;Covermaterials--solarcollectors;Exposureresistance;Flat-p
【摘要】:Althoughthispracticeisintendedforevaluatingsolarabsorbermaterialsandcoatingsusedinflat-platecollectors,nosingleprocedurecanduplicatethewiderangeoftemperaturesandenvironmentalconditionstowhichthesematerialsmaybeexposedduringin-serviceconditions.Thispracticeisintendedasascreeningtestforabsorbermaterialsandcoatings.Allconditionsarechosentoberepresentativeofthoseencounteredinsolarcollectorswithsinglecoverplatesandwithnoaddedmeansoflimitingthetemperatureduringstagnationconditions.Thispracticeusesexposureinasimulatedcollectorwithasinglecoverplate.Althoughcollectorswithadditionalcoverplateswillproducehighertemperaturesatstagnation,thisprocedureisconsideredtoprovideadequatethermaltestingformostapplications.Note18212;Mathematicalmodellinghasshownthataselectiveabsorber,singleglazedflat-platesolarcollectorcanattainabsorberplatestagnationtemperaturesashighas226x00B0;C(437x00B0;F)withanambienttemperatureof37.8x00B0;C(100x00B0;F)andzerowindvelocity;andadoubleglazedoneashighas245x00B0;C(482x00B0;F)undertheseconditions.Thesameconfigurationsolarcollectorwithanonselectiveabsorbercanattainabsorberstagnationtemperaturesashighas146x00B0;C(284x00B0;F),ifsingleglazed,and185x00B0;C(360x00B0;F),ifdoubleglazed,withthesameenvironmentalconditions,(seex201C;PerformanceCriteriaforSolarHeatingandCoolingSystemsinCommercialBuildings,x201D;NBSTechnicalNote1187).Thispracticeevaluatesthethermalstabilityofabsorbermaterials.Itdoesnotevaluatethemoisturestabilityofabsorbermaterialsusedinactualsolarcollectorsexposedoutdoors.Moistureintrusionintosolarcollectorsisafrequentoccurrenceinadditiontocondensationcausedbydiurnalbreathing.Thispracticedifferentiatesbetweenthetestingofspectrallyselectiveabsorbersandnonselectiveabsorbers.TestingSpectrallySelectiveAbsorberCoatingsandMaterials8212;Spectrallyselectivesolarabsorptivecoatingsandmaterialsrequiretestinginacoveredenclosurethatcontainsaselectivelycoatedsamplemountingplate,suchthattheenclosureandmountingplatesimulatethetemperatureconditionsofaselectiveflat-platecollectorexposedunderstagnationconditions.TestingNonselectiveCoatingsandMaterials8212;Spectrallynonselectivesolarabsorptivecoatingsandmaterialsrequiretestinginacoveredenclosurethatcontainsanonselectivecoatedsamplemountingplate,suchthattheenclosureandmountingplatesimulatethetemperatureconditionsofacovered,nonselectiveflat-platecollectorexposedunderstagnationconditions.1.1Thispracticecoversatestprocedureforevaluatingabsorptivesolarreceivermaterialsandcoatingswhenexposedtosunlightundercoverplate(s)forlongdurations.Thispracticeisintendedtoevaluatetheexposureresistanceofabsorbermaterialsandcoatingsusedinflat-platecollectorswheremaximumnonoperationalstagnationtemperatureswillbeapproximately200x00B0;C(392x00B0;F).1.2Thispracticeshallnotapplytoreceivermaterialsusedinsolarcollectors......
【中国标准分类号】:F12
【国际标准分类号】:27_160
【页数】:4P.;A4
【正文语种】:英语


【英文标准名称】:Air,wateranddifficultterrainambulances-Part2:Operationalandtechnicalrequirementsforthecontinuityofpatientcare;GermanversionEN13718-2:2002
【原文标准名称】:空气、水和难以通行地带的救护车.第2部分:治疗连续性所需手术和技术要求
【标准号】:EN13718-2-2002
【标准状态】:现行
【国别】:
【发布日期】:2002-11
【实施或试行日期】:
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:空气、水和难以通行地带的救护车.第2部分:治疗连续性所需手术和技术要求
【中国标准分类号】:C47
【国际标准分类号】:11_040_01;11_160
【页数】:28P;A4
【正文语种】:英语



版权声明:所有资料均为作者提供或网友推荐收集整理而来,仅供爱好者学习和研究使用,版权归原作者所有。
如本站内容有侵犯您的合法权益,请和我们取得联系,我们将立即改正或删除。
京ICP备14017250号-1