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Product Code:SAE J1754/2
Title:Hose Assemblies, Rubber, Hydraulic, Steel Wire Reinforced - Part 2: Ordering Information
Issuing Committee:Hydraulic Hose And Hose Fittings Committee
Scope:This SAE Standard covers ordering information for steel wire reinforced rubber hose assemblies using connectors specified in SAE J516 for use in hydraulic systems using petroleum based hydraulic fluids with maximum working pressures of 1.7 to 42 MPa. See SAE J1754-2, Table 8 for hose operating temperature ranges and identification codes.Note: Working pressure is defined as maximum system pressure.【英文标准名称】:Hygrothermalperformanceofbuildingcomponentsandbuildingelements-Assessmentofmoisturetransferbynumericalsimulation
【原文标准名称】:建筑物构件和建筑物元件的温湿性能.用数值模拟评定潮气传递
【标准号】:BSEN15026-2007
【标准状态】:现行
【国别】:英国
【发布日期】:2007-08-31
【实施或试行日期】:2007-08-31
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:建筑材料;建筑物;元部件;冷凝;建筑;施工材料;结构产品;评定;热传递;数学计算;测量;湿度测量;测量技术;潮气;特性;模拟;蒸汽扩散;结构物理学;热防护;蓄热;传递系数
【英文主题词】:Buildingmaterials;Buildings;Components;Condensation;Construction;Constructionmaterials;Constructionalproducts;Evaluations;Heattransfer;Mathematicalcalculations;Measurement;Measurementsofhumidity;Measuringtechniques;Moisture;Properties;Simulation;Steamdiffusion;Structuralphysics;Thermalprotection;Thermalstorage;Transfercoefficient;Transferfactors
【摘要】:Thisstandardspecifiestheequationstobeusedinasimulationmethodforcalculatingthenonsteadytransferofheatandmoisturethroughbuildingstructures.Italsoprovidesabenchmarkexampleintendedtobeusedforvalidatingasimulationmethodclaimingconformitywiththisstandard,togetherwiththeallowedtolerances.Theequationsinthisstandardtakeaccountofthefollowingstorageandone-dimensionaltransportphenomena:?heatstorageindrybuildingmaterialsandabsorbedwater;?heattransportbymoisture-dependentthermalconduction;?latentheattransferbyvapourdiffusion;?moisturestoragebyvapoursorptionandcapillaryforces;?moisturetransportbyvapourdiffusion;?moisturetransportbyliquidtransport(surfacediffusionandcapillaryflow).Theequationsdescribedinthisstandardaccountforthefollowingclimaticvariables:?internalandexternaltemperature;?internalandexternalhumidity;?solarandlongwaveradiation;?precipitation(normalanddrivingrain);?windspeedanddirection.Thehygrothermalequationsdescribedinthisstandardshallnotbeappliedincaseswhere:?convectiontakesplacethroughholesandcracks;?two-dimensionaleffectsplayanimportantpart(e.g.risingdamp,conditionsaroundthermalbridges,effectofgravitationalforces);?hydraulic,osmotic,electrophoreticforcesarepresent;?dailymeantemperaturesinthecomponentexceed50°C.
【中国标准分类号】:Q70
【国际标准分类号】:91_120_01
【页数】:28P.;A4
【正文语种】:英语