Energy Analysis of n-Dodecane Combustion in a Hetero/Homogeneous Heat-Recirculating Microreactor for Portable Power Applications

摘要

Anenergyanalysisispresentedforn-dodecane/aircombustioninaheatrecirculatingInconelmicroreactorundervacuumconditions.Microreactorchannelsarepartiallycoatedwithplatinumenablingoperatingwithcoupledheterogeneousandhomogeneousreactions.Theradiantefficiency,importantforthermophotovoltaicenergyconversion,wasfoundtodecreasefrom57%to52%over5differentrunscovering377minofoperation.Asimilardecreaseincombustionefficiencywasobservedwith6%-8%energylosttoincompletecombustionand5%-6%lostthroughsensibleheatintheexhaust.Theremainingthermallossisfromunusableradiationandconductionthroughinletandoutlettubing.ChangesintheInconelmicroreactorgeometryandemissivitypropertieswereobserved...