孙建太阳能喷射式制冷系统

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1、1Speaker:Sunjian2014.11.17Solarcoolingtechnologiesusingejector（喷射器）refrigerationsystem(利用喷射制冷系统的太阳能冷却技术)2PartNomenclatureCOPcoefficientofperformanceERSejectorrefrigerationsystemBERSbinaryejectorrefrigerationsystem(二元流体)SCERSstagecascadeejectorrefrigerationsystem（复叠

2、）SCBERSstagecascadebinaryejectorrefrigerationsystem（复叠二元流体）SRSsorptionrefrigerationsystem4Part2AbstractThecontinuoussearchfortheeffectivecoldgenerationmethodsresultedinthecreationofthermallydrivenejectorrefrigerationsystems(ERS).Producingcoldatvarioustemperatures,t

3、heERSservestosaveelectricenergyandreducegreenhousegasemissions.ThetheoreticalanalysisoftheejectorcyclescarriedoutforvariousERShasproveditscapabilitytogeneratethecoldat+12°Сto–40°С,reachingtheCOPvaluesat0.7to0.1respectively.Thecombinedcyclesofwaterconversion,heatand

4、coldproductionappeartobeespeciallyeffective.Part3IntroductionGradualdecreaseoffossilfuelsuseforspaceheatingandhotwatersupplybecamepossiblenowadays.theCOPofsolarthermalcoolingsystemislessthan1.TheCOPofthelatestsolarcollectorsreaches0,9andtheCOPofthecoldgeneratorsiss

5、tillonalevelof0.4-0.6.Inordertokeepthepacesofcivilizationdevelopmentandavoiditsnegativeconsequences,theglobalconceptionoftheeffectiveenergyconsumptionshouldbesignificantlyreviewedwithafocusonrenewableenergy.Theanalysisoftherenewablesavailabilityandparticularitiesof

6、transformationoftheenergyflowsproveditsoptimalareasofapplication.PVpanelsaretobemainlyappliedforthelow-powerconsumingsystem,windturbines–forpoweraccumulation,whilesolarthermal–forheat/coldgenerationandforthesteam-powercyclesPart4Analysisofsolarcoolingejectorbasedsy

7、stemsThethermallydrivenrefrigerationsystems,especiallyERS,aresuitableforair-conditioningandrefrigeration.Theyhaveseveralknownadvantagesandincreasedeffectivenessthankingtotothelatestresearchresults.Thecoldproductionoccursbydirecttransformationofsolarthermalenergy,av

8、oidingelectricityproductionrequiredforthevapourcompressionrefrigerationsystem[1].AsaresultoftherecentresearchesitbecamepossibletobringtheCOPofERS