ASTM D4778-2005 在传热条件下测定冷却水的腐蚀和污染倾向的标准试验方法
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【英文标准名称】:StandardTestMethodforDeterminationofCorrosionandFoulingTendencyofCoolingWaterUnderHeatTransferConditions
【原文标准名称】:在传热条件下测定冷却水的腐蚀和污染倾向的标准试验方法
【标准号】:ASTMD4778-2005
【标准状态】:现行
【国别】:
【发布日期】:2005
【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】:D19.03
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:冷却系统;腐蚀;污染;试验;水
【英文主题词】:coolingwater;corrosion;deposits;fouling;heattransfer
【摘要】:Depositsonheattransfersurfacesreduceefficiencyoftheheatexchangeraffected.Amethodforeasilydeterminingthecorrosionandfoulingtendencyofaparticularwaterunderheattransferconditionswillallowtheevaluationofchangesinthevarioussystemvariablessuchasheatflux,flowvelocity,metallurgy,cycles-of-concentration,andtreatmentschemesonheatexchangerperformance.Note8212;Allpipeisthreaded1in.(25mm)PVC.Heatershouldbefusedandgroundedinaccordancewithlocalelectricalcodes.FIG.1TestApparatusandPartsList
PartsList:
(1)testspecimen
(6)acrylictube,10in.(25cm)longby1in.(25mm)outsideDiameter
(2)tubefitting;nylon(nometalparts)
(7)Cartridgetypeheater(notshown)
(3)reducingbushing,PVC
(4)tee,1in.(25mm)PVC
(5)tubefitting,1in.(25mm)tubeby1in.(25mm)malepipethreadstainlesssteel
【原文标准名称】:在传热条件下测定冷却水的腐蚀和污染倾向的标准试验方法
【标准号】:ASTMD4778-2005
【标准状态】:现行
【国别】:
【发布日期】:2005
【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】:D19.03
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:冷却系统;腐蚀;污染;试验;水
【英文主题词】:coolingwater;corrosion;deposits;fouling;heattransfer
【摘要】:Depositsonheattransfersurfacesreduceefficiencyoftheheatexchangeraffected.Amethodforeasilydeterminingthecorrosionandfoulingtendencyofaparticularwaterunderheattransferconditionswillallowtheevaluationofchangesinthevarioussystemvariablessuchasheatflux,flowvelocity,metallurgy,cycles-of-concentration,andtreatmentschemesonheatexchangerperformance.Note8212;Allpipeisthreaded1in.(25mm)PVC.Heatershouldbefusedandgroundedinaccordancewithlocalelectricalcodes.FIG.1TestApparatusandPartsList
PartsList:
(1)testspecimen
(6)acrylictube,10in.(25cm)longby1in.(25mm)outsideDiameter
(2)tubefitting;nylon(nometalparts)
(7)Cartridgetypeheater(notshown)
(3)reducingbushing,PVC
(4)tee,1in.(25mm)PVC
(5)tubefitting,1in.(25mm)tubeby1in.(25mm)malepipethreadstainlesssteel
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