資源描述：
《機(jī)械專業(yè)外文翻譯》由會(huì)員上傳分享，免費(fèi)在線閱讀，更多相關(guān)內(nèi)容在工程資料-天天文庫。
1、IncreaseheattransferefficiencyHeatexchangerisaskedwallheattransferfluidthroughheatexchanger,heatandcold,heatexchanger,fluidofplateswithplatefordirectcontactheattransferheattransferandconvectionheattransfer.Improvetheheattransferefficiencyofplateheatexchangeristoimprovetheheattransferco
2、efficientandkeylogarithmicmeantemperaturedifference.Improvetheheattransfercoefficientofonlyhotandcoldplatesonbothsidesandincreasethesurfaceheattransfercoefficient,reducingthefoulinglayerthermalresistance,highthermalconductivityselectedtheslab,reducingthethicknessofplateinordertoeffecti
3、velyimprovetheheattransferTheheattransfercoefficient.Articlelink:ChinaChemicalNetworkAImprovetheslabsurfaceheattransfercoefficientAsthecorrugatedplateheatexchangertomakeasmallerflowrateoffluidproducedintheturbulent(Reynoldsnumberfora150pm),sotheycanobtainahighersurfaceheattransfercoeff
4、icient,surfaceheattransfercoefficientandthegeometricstructureofcorrugatedplate,andTheflowstateofthemedia.Thewaveplate,includingherringbone,straight,ballandsoon.Afteryearsofresearchandexperimentsshowedthattheshapeofcorrugatedtriangularcrosssection(thelargestsinusoidalsurfaceheattransfer
5、coefficient,pressuredroplessuniformstressdistributionduringcompression,butprocessingdifficulties?)inchevronplatesurfacewithahighpassHeattransfercoefficient,thegreatertheangle,andripple,themediumflowbetweentheplatesthehigherthevelocity,surfaceheattransfercoefficientBReducethethermalresi
6、stanceoffoulinglayerReduceheatexchangerfoulinglayerthermalresistance,thekeyistopreventtheplatescale.Platethicknessof1mmscale,theheattransfercoefficientisreducedbyabout10%.Therefore,wemustpayattentiontomonitoringthewaterqualityonbothsidesofhotandcoldheatexchangertopreventfoulingplates,a
7、ndtopreventdebrisinthewaterontheplateattached.Someheatingunitstopreventtheftofwaterandsteelcorrosionintheheatingmedium,addthedrug,attentionmustbegivendrugstocausewaterqualityanddebriscontaminationstick*heatexchangerplate.Stickydebrisifthewatershouldbeprocessedusingspecialfilters.Phar
