【英文标准名称】:Heatexchangers-Methodofmeasurementandevaluationofthermalperformancesofwetcoolingtowers
【原文标准名称】:热交换器.湿式冷却塔热性能的测量和评定方法
【标准号】:BSEN14705-2005
【标准状态】:现行
【国别】:英国
【发布日期】:2005-07-28
【实施或试行日期】:2005-07-28
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:热力学性质;结构热工性能;流动;额定值;抽油装置;热交换器;性能;湿式冷却塔;温度测量;电功率测量;功能;热环境系统;热流;特性;测量;泵送装置;机械工程;数学计算;测量技术;定义;制冷;热传递;性能试验;温度;测量精度;效率
【英文主题词】:Definition;Definitions;Efficiency;Flow;Functions;Heatexchangers;Heatflux;Heattransfer;Mathematicalcalculations;Measurement;Measuringaccuracy;Measuringtechniques;Mechanicalengineering;Performance;Performancetesting;Performancetests;Powermeasurement(electric);Properties;Pumpinstallations;Pumpinginstallation;Ratings;Refrigeration;Temperature;Temperaturemeasurement;Thermalbehaviourofstructures;Thermalenvironmentsystems;Thermodynamicproperties;Wetcoolingtowers
【摘要】:ThisEuropeanStandardspecifiesrequirements,testmethodsandacceptancetestsforthermalperformancespumpingheadverificationofwetcoolingtowersandplumeabatementforwet/drycoolingtowers.ThisEuropeanStandardisapplicabletonaturaldraughtwetcoolingtowers(seein3.1.2.2)fanassistednaturaldraughtcoolingtower(see3.1.2.3),wet/drycoolingtowers(see3.1.2.4)and"Mechanicaldraughtcoolingtowers",exceptseriesones.Itspecifiesthetestmethods,theapparatusrequired,thelimitationoferrorsandthemethodforresultsexamination.Theacceptancetestingcoverstheverificationofthethermalperformancedataandpumpingheadofthecoolingtowerasspecifiedinthecontractbetweenthesupplierandthepurchaser.Ifthesetestsarerequiredthenthisshouldberecognizedatthetimeofthecontract,asadditionalfittings,andpreparationsforthetestmayberequired.Deviationsfromtheruleslaiddownbelowaswellasadditionsneedspecialagreementbetweenpurchaserandsupplierandshouldbedocumented.ThisstandarddoesnotapplytomechanicaldraughtserieswetcoolingtowerswhicharedealtwithinEN13741.NOTETermslike"design","values","guarantee"and"acceptance"usedinthisstandardshouldbeunderstoodinatechnicalbutnotinalegalorcommercialsense.
【中国标准分类号】:J75
【国际标准分类号】:27_060_30;27_200
【页数】:66P.;A4
【正文语种】:英语


Product Code:SAE AMS5759
Title:Cobalt Alloy, Corrosion and Heat-Resistant, Bars, Forgings, and Rings, 52Co - 20Cr - 10Ni - 15W
Issuing Committee:Ams F Corrosion Heat Resistant Alloys Committee
Scope:This specification covers a corrosion and heat-resistant cobalt alloy in the form of bars, forgings, flash welded rings, and stock for forging, flash welded rings, or heading.These products have been used typically for parts requiring high strength up to 1500 °F (816 °C) and oxidation resistance up to 2000 °F (1093 °C), but usage is not limited to such applications.