potential of a dual purpose solar collector on humidification dehumidification desalination system 2017 t. rajaseenivasan参考.pdf

该【potential of a dual purpose solar collector on humidification dehumidification desalination system 2017 t. rajaseenivasan参考 】是由【小舍儿】上传分享，文档一共【6】页，该文档可以免费在线阅读，需要了解更多关于【potential of a dual purpose solar collector on humidification dehumidification desalination system 2017 t. rajaseenivasan参考 】的内容，可以使用淘豆网的站内搜索功能，选择自己适合的文档，以下文字是截取该文章内的部分文字，如需要获得完整电子版，请下载此文档到您的设备，方便您编辑和打印。Desalination404(2017)35–40ContentslistsavailableatScienceDirectDesalinationjournalhomepage:ate/desalPotentialofadualpurposesolarcollectoronhumidi?cationdehumidi?,?DepartmentofMechanicalEngineering,ThiagarajarCollegeofEngineering,Madurai625015,TamilNadu,IndiaHIGHLIGHTS?PackedbedHDHsystemistestedwithadualpurposesolarcollector.?Effectofturbulatorsonthesystemperformanceisalsoanalyzed.?Turbulatoraugmentsthefreshwaterproductionrateofthesystem.?.articleinfoabstractArticlehistory:Anexperimentalinvestigationonahumidi?cationdehumidi?cation(HDH)desalinationsystemintegratedwithReceived6August2016adualpurposesolarcollector(DPSC)?owsoverthetopsurfaceoftheabsorberplateandthewater?owsAccepted28October2016throughtherisertubes,?er,wheretheairgetshumidi?edandmovestowardsdehumidi?(convexandconcave)intheKeywords:????Humidi?cationdehumidi?,hotwaterinhumidierandcoolingDualpurposesolarcollectorwaterindehumidi??owTurbulatorrateofair,,,?%?,blackrubber,gravelsIncreaseinwaterdemandleadstothedevelopmentdifferentdesali-[9],phasechangematerial[10],mildsteelpiecesinbasin[11].Integra-nationtechnologieslikesolarstill[1],?ashevaporationdesalination[2],tionofsolarstillwiththeparabolicdishconcentrator[12],evacuatedmultieffectdistillation,humidi?cationdehumidi?cationdesalination,tubesolarcollector[13]oncentratorwithcovercoolingpressiondesalination,freezedesalinationandadsorption[14][3].Solarstillandsolarbasedhumidi?cationdehumidi?ca-[15].Reductionofwatermassinupperbasinwasincreasedthedistillatewaterdepth,reductionininclinationangle[4],installationofre?ectors,outputofdoublebasinsolarstill[16].Temperaturedifferencebetweencoupledwithsolarcollectors,increaseinsurfacearea[5]andrecoveringtheevaporationandcondensationsurfaceisincreasedbyusingtheoflatentheatforpreheatingthesalinewater[6].?nnedwicks[7]andvertical?ns[8]wereimprovedtheheatrateofthesystemandimproveddistillateoutput[17].[18].Asolarstillwastestedwithaseparateevaporationandcondensationsectionand?[19].AE-mailaddress:ponsathya@().paredwithhttp://dx./.-9164/?,(2017)35–40carriedoutbyconnectingwiththesolarairheater[33]anddualpur-Nomenclatureposesolarcollector[34].ThepresenceofribgrooveswithdifferentanglesinabsorberplateAareaofsolarcollector,m2paredtotheconventionalsystemCdistilledwatercost,$/kgdw[35].Impingingofairintothesolarcollectoraugmentstheheattransferhlatentheatofevaporation,J/kgfgratebetweentheairandabsorberplateandthehigheroutletairtem-Isolarradiation,W/·m2speraturewasobserved[36].AsolarcollectorwastestedandaugmentedMannualyield,kg/yeartheoutletairtemperaturebyprovidingthealuminumcansinabsorbermmassofdistilledwater,kgplate[37].Thepresenceoftransverseandinclinedribsonabsorberttime,splateofsolarairheaterwasresultedinthehighereffectiveef?ciencyTtemperature,°C[38].Presenceofconicalcutoutturbulatorsintheairheater?ow?elduuncertaintyenlightenedthesystemability[39].ApackedbedHDHdesalinationsys-ponents,Welectricaltemwastestedbyusingthedifferentratiosoftwistedtapeinserts,con-TACtotalannualizedcost,$icalcutoutturbulatorsandhalfperforatedcircularturbulatorintheairηef?ciency,%?edsystemenhancedby45%comparedtoconventionalsystem[40].Energyandexergyef?ciencyofthedualpurposesolarcollectorwasfoundtobehigherthanthesin-glepurposesolarcollector,duetoeffectiveutilizationofthermalenergytheexperimentalresults[20].Anattemptwasmadetoimprovetheper-[41].Threedifferent?uid?owchannelshavebeenusedinadualpur-formanceofsinglebasinsolarstillbyinstallingpartitioninbasinandposesolarcollectorandthehigherpotentialisobservedwiththerect-glasscover[21].Asteppedsolarstillintegratedtoahumidi?cationde-angular?nchannel[42].Theef?ciencyofthesinglepurposecollectorhumidi?cationprocessshowedbetterperformancewithimproveddis-hasbeennotedthatthe3to5%lowerthanthedualpurposecollectortillateoutput[22].Performanceofahumidi?cationdehumidi?cation[43].desalinationsystemwasenlightenedbyconnectingwithacascadeTheliteratureshowsthatthehumidi?cationdehumidi?cationdesa-solarstill[23].linationsystemhasgreateropportunityforthedecentralizedfreshThemainreasonforlowerdistillateoutputinthesolarstillistheoc--?,thehumidi?cationanddehumidi?cationprocessoc-Alsothepresenceofturbulatorenhancestheabilityofsolarcollectorscursinseparatechamber,paredandthedualpurposesolarcollectorisef?,humidi?cationdehumidi?cationdesalinationsystemisintegrat-roleintheperformanceofHDHsystemandthedistillatewasenhancededwiththedifferentsolarcollectors(Flatplatesolarcollector,evacuat-withtheseparameters[24].Resultsofthecostoptimizationanalysisedtubecollector,parabolictroughcollector)toheatthewaterandairwerereportedthatthesolarhumidi?cationdehumidi?cationdesalina--remotearidareas[25].Atwostagehumidi?cationdesalinationsystemgratingadualpurposesolarcollectorwithapackedbedHDHdesalina-wasexperimentallyanalyzedandfoundthatthetwostagesystemre-(con-investment[26].Adesalinationsystemwasevaluatedwiththeair?owscaveandconvex)areusedintheair?owpassageofadualpurposesolaroverthehotsalinewater(heatedbysolarandelectricalenergy)andob-?erinletairtemperaturebymeansofservedthatthedistillateyieldwasincreasedwithwatertemperaturecreatingtheturbulenceinair?ow?[27].Anumericalstudytoinvestigatetheperformanceofhumidi?ca-isanalyzedbyvaryingthemass?owrateofair(),tiondesalinationsystemwithsolarairheaterwascarriedoutandthehotwater(1to3kg/min)andcoolingwater().resultindicatedthatthepresenceofsolarairheatersigni?cantlyin?u-encedonthesystemproductivity[28].?cationdesalinationsystemandnoticedaconsiderableimprovementinthedistillateyield[29].Higherperfor-Schematicandphotographicviewofthesolarpackedbedhumidi?-manceinhumidi?cationdesalinationsystemwasobtainedwiththein-cationdehumidi?[30].?eranddehumid-humidi?cationdehumidi?cationdesalinationsystemwasimprovedbyi?[31].Developmentsoflowcostandhighef?××-solarairheatersreducethedistilledwatercostofHDHdesalinationsys-[32].ExperimentalstudyonbubblecolumnHDHdesalinationwaskeptinastandwiththeinclinationof10°.(1)Blower,(2)?owcontrolvalve,(3)ori?cearrangement,(4)absorberplate,(5)pump,(6)risertubearrangement,(7)feedwatertank,(8)packedbed,(9)coolingwatertank,(10)condensingcover,(11)humidi?cationchamber,(12)hotairinlet,(13),(2017)35–.(a)(b)(c)(a)risertubearrangement,(b)convexturbulatorsand(c)-andtheairpumped(bya1hpblower)??-coilheatexchangerwherethehumidair?owsaroundthethreecon-(,,)???owcontrolwater?owsthroughtherisertubesandgetsheatedfromtheabsorbervalvesareusedtocontrolthe??ertopandthetankisoftenreplacedtomaintainthelowercoolingwaterinlettemper-heatedairentersintothebottomofhumidi??×4zig-zagcon?guration[44](convex)(concave).Inthiswork,operation-?erchamberissetwithapackingmaterial(jutealrangeofair?owrate[44],hotwater[45]andcoldwater[45]?owratecloth)°?($)(a)RangeUncertainty1Solarcollectorsetup681Thermocouple±1°C?100–1300°°C2Humidi?er452Pyranometer±1W/m20–2500W/?er1203Manometer1mm0–±–15m/±10–100%%essories206MeasuringJar±10ml0–,(2017)35–?–February2016atThiagarajarCollegeThelatentheatofevaporationisevaluatedbythefollowingequationofEngineering,Madurai,India.[47,48]?2:495?106fghi????1?9:4749?104Tt1:3132?107T2?4:7947?109T3Thetemperatureatdifferentpointsinthedualpurposesolarcollec-tor,humidi?eranddehumidi?