南京航空航天大学硕士学位论文空气取水饮水机的研究姓名:刘巍申请学位级别:硕士专业:人机与环境工程指导教师:蒋福根20070301IIIAbstractWaterisessentialinourdailylife.Allkindsofparticulardesign,exquisiteappearance,andmultifunctional.waterdispensersaresoldinmarket.Theircommoncharacterisrequiringready-madewatersource.Butnownotallofthequalitiesofthesoldwaterinthemarketareregular;what’smore,thevolumeofthesoldwaterislarge,anditisdifficulttodrinkwateroffinashorttime.Ifthepurewaterwasdepositedforalongtime,inwhichtherewouldbeamassofgermsdeveloping;thenthepurewaterwaspollutedandwoulddoharmtoourbodies.Becauseoftheenvironmentpollution,andtheincreasingofthehumannumber,theavailablewatersourceisdecreasing,sosavingwateriscrucial.Foraboveofthereasons,thispaperdesignedanew-stylewaterdispenser,thesourceofwhichisvaporintheatmosphere.First,therefrigerationdevicerefrigeratestheatmosphereandthevaporcondensesintotheliquidwater;thenthewatergoesthroughthefilter,attheendwegetthepurewater.Thenew-stylewaterdispenserissuitedtoourdailylifeenvironment,especiallytotheregionwhereisshortoffreshwater.Evaporatorismoreimportantthanotherpartsinthedevice,sowedesignedtwoevaporators,andtookmuchtimetodotheexperimentalstudyabouttheireffectstowholeofthedevice.Keywords:Obtainingwaterfromatmosphere,Evaporator,Refrigeration,Waterdispenser,Experimentalstudy.V1.1.............................................................22.1..............................................62.2.................................................................73.1...............................................................103.2...............................................................113.3......................................................................153.4...................................................163.51b.............................................163.6moη..................................................184.1..............................................................................244.2.......................................................264.3...............................................................304.4............................................324.5...........................................................384.6.................................404.7..................................................................455.1.......................................................535.2.......................................................565.3..........................................................................585.4.........................................................................................595.5.....................................................................................606.1..............................................................................616.26.16.2...........................656.36.16.4/..............................666.46.26.5/..............................666.56.36.6/..............................66VI2.1........................................................................73.1m'n'2p∆...................................................................153.21p∆....................................................................................163.3.........................163.4Rk............................................................................173.5............................................184.12C.....................................................................................304.2'ϕ........................................344.3A.....................................................................................394.4Z........................................................................................414.5mv..............................................................425.1..........................................................................596.1....................................626.2....................................636.3....................................636.4....................................646.5....................................646.6....................................65VIIA2mc/kJkgK⋅COP,DdmmmFNHkJh/kJkgK2/WmK⋅kLmM/kgsmkgn/minrPWkWpPaQJkJq/kJkg3/kJmReTKtkTktKmt0T0tKv/ms3/mkgWJkJw/kJkg/Jkgxz11.19018.91.2[1]2004250020053200302004[2]7021.3[3]202527111.41.126L31.142.11.2.9kw9kw7kw3.PCLPDI4.VASALA16T8VASALA5φ100mmφ80mmφ70mm5.26BC2.22.2.1308026L2.2.2[8]100%ϕ=hdo1t2t3t0t2h3h032ba1h1'11dt'22h2t1h1t6hd2.12.1hd11h1t33t3t1dt0t1’3113aa13a3abb22.2.312312AI3φ70mm45121267782.22.2.42.1m3/hwg/h1350.87402350.76803350.61295804300.81342706405300.75006300.63607250.8134.435208250.74809250.6136.225434010200.811944011200.714024439012200.6115.2242270815.36kg42.393.13.1.1Dmmsmminr/minc[8]22880r/min/sDΨ=0.40.8m/sp/30vsn=5m/s1.54m/sD60mm1234c263.1.2()301=atϕ80%R134akpapB32.101=103134/vqmh=640g/h301=atϕ80%[30]13.1kgkJh/4.851=kggd/83.211=barpqb034.0=,0.0340.80.027qqbppbarbarϕ==×1.0130.0270.986apbar=−='315287.09273300.882/0.98610aaaRTvmkgp×==×aG134/0.882151.93/avGqkghρ===12()0.64/aDGddkgh=−=217.618/dkgh=220.95ϕ=2d268.8/hkJkg=223.8t=012()700.566aQGhhW=−=12s