ASME PTC 12.5-2000 单相热交换器

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【英文标准名称】:SinglePhaseHeatExchangers
【原文标准名称】:单相热交换器
【标准号】:ASMEPTC12.5-2000
【标准状态】:现行
【国别】:美国
【发布日期】:2000-01-01
【实施或试行日期】:
【发布单位】:美国机械工程师协会(US-ASME)
【起草单位】:ASME
【标准类型】:()
【标准水平】:()
【中文主题词】:试验;测量;热力工程;热力学性质;热交换器
【英文主题词】:Heatengineering;Heatexchangers;Measurement;Testing;Thermodynamicproperties
【摘要】:ThisCodeprovidesmethodsandproceduresfortestingsinglephaseheatexchangers.TheCodepresentsanddescribesthemethodsfordeterminingheatexchangerperformance,formeasuringfluidconditionsandrelatedphenomena,andforprojectingperformanceparameterstoreferenceconditions.Performanceparametersincludedareoverallheattransfercoefficient,heattransferrate,andpressuredrop.Guidelinesareprovidedforrecommendedinstrumentationandaccuracy.ThescopeofthisCodeincludesinstruments,calculationtechniques,andmethodstodeterminethesteadystateperformanceofsinglephaseheatexchangersatbothtestconditionsandreferenceconditions.ThisCodeappliesto,butisnotlimitedto,thefollowingtypesofheatexchangers:(a)Shell-and-tube;(b)Plate-frame;(c)Plate-fin;and(d)Tube-inplatefin.Single-phasefluidstreams,includingliquid-to-liquid,gas-to-liquid,andgas-to-gasareincluded.ExcludedfromthisCodeareheatexchangersusedincondensation,vaporization,fired,directcontact,non-newtonianfluid,andmorethantwo-fluidapplications.Supplementaryinformationisincludedon(a)Steadystatecriteria;(b)Equationsandcoefficientsforuncertaintyanalysis;(c)TheDelawareMethodforshell-sideperformance;(d)Meantemperaturedifference;(e)Derivationofperformanceequations;(f)Tube-sideperformancemethods;(g)Foulingresistance;(h)Plateframeperformancemethods;(i)Thermalphysicalproperties;(j)Roomcoolerperformancemethods;and(k)Examples.
【中国标准分类号】:J75
【国际标准分类号】:27_060_30;27_220
【页数】:150P.;A4
【正文语种】:英语


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【英文标准名称】:Plasticspipingandductingsystems-Thermoplasticspipesandfittings-DeterminationofVicatsofteningtemperature(VST);GermanversionEN727:1994
【原文标准名称】:塑料管道和管道输送系统.热塑塑料管和管件.维卡软化温度(VST)的测定;德文版本EN727:1994
【标准号】:EN727-1994
【标准状态】:现行
【国别】:
【发布日期】:1995-01
【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】:塑料管;维卡特;试验;软化温度;软化点测量;管道配件;塑料;配件;软化点;维卡特软化温度;管;热塑性聚合物;管系统;测定
【英文主题词】:Determination;Fittings;Pipefittings;Pipes;Pipingsystem;Plasticpipes;Plastics;Softeningpoint;Softeningtemperature;Softening-pointdetermination;Testing;Thermoplasticpolymers;Vicat;Vicatsofteningtemperatures
【摘要】:
【中国标准分类号】:G33
【国际标准分类号】:23_040_20;23_040_45
【页数】:5P.;A4
【正文语种】:英语


【英文标准名称】:Safetyoflaserproducts-Part12:Safetyoffreespaceopticalcommunicationsystemsusedfortransmissionofinformation
【原文标准名称】:激光产品的安全.第12部分:用于信息传输的自由空间光通信系统的安全
【标准号】:IEC60825-12-2005
【标准状态】:现行
【国别】:国际
【发布日期】:2005-01
【实施或试行日期】:
【发布单位】:国际电工委员会(IEC)
【起草单位】:IEC/TC76
【标准类型】:()
【标准水平】:()
【中文主题词】:电气工程;安全要求;安全;供能系统(建筑物);电信;电子设备;电力系统;光学纤维;链环;保护设备;光波导;玻璃纤维电缆;信号传输;文献工作;传播学;试验;指令系统;信息技术;住宅区;内部区域;辐射;规范(验收);通信系统;激光设备;激光器;信息传递;定义;测量;舒适区;性能要求;电气保护设备;数据通信;变电所;外部面积;建筑规范;绘制地图;辐射防护;信息交换;电路网络;数据传送;激光工程
【英文主题词】:Buildingspecifications;Circuitnetworks;Commandsystems;Communication;Communicationsystems;Datacommunication;Datatransfer;Definition;Definitions;Electricpowersystems;Electricalengineering;Electricalprotectionequipment;Electronicequipment;Energysupplysystems(buildings);Exteriorareas;Glassfibrecables;Informationinterchange;Informationtechnology;Informationtransfer;Interiorareas;Laserengineering;Laserequipment;Lasers;Links;Mapping;Measurement;Operationalinstructions;Opticalfibres;Opticalwaveguides;Performancerequirements;Protectiondevices;Radiation;Radiationprotection;Residentialareas;Safety;Safetyrequirements;Signaltransmission;Specification(approval);Substation;Telecommunication;Telecommunications;Testing;Zonesofcomfort
【摘要】:ThispartofIEC60825providesrequirementsandspecificguidanceforthemanufactureandsafeuseoflaserproductsandsystemsusedforpoint-to-pointorpoint-to-multipointfreespaceopticaldatatransmission.Thisstandardonlyaddressestheopenb
【中国标准分类号】:C66
【国际标准分类号】:31_260
【页数】:82P;A4
【正文语种】:英语