ThisArticlepresentsathreedimensionalnumericalmodelinvestigatingthermalperformanceandhydrodynamicsfeaturesoftheconfinedslotjetimpingementusingslurryofNanoEncapsulatedPhaseChangeMaterial(NEPCM)asacoolant.Theslurryiscomposedofwaterasabasefluidandn-octadecaneNEPCMparticleswithmeandiameterof100nmsuspendedinit.AsinglephasefluidapproachisemployedtomodeltheNEPCMslurry.ThethermophysicalpropertiesoftheNEPCMslurryarecomputedusingmodernapproachesbeingproposedrecentlyandgoverningequationsaresolvedwithacommercialFiniteVolumebasedcode.TheeffectsofjetReynoldsnumbervaryingfrom100to600andparticlevolumefractionrangingfrom0%to28%areconsidered.ThecomputedresultsarevalidatedbycomparingNusseltnumbervaluesatstagnationpointwiththepreviouslypublishedresultswithwaterasworkingfluid.ItwasfoundthataddingNEPCMtothebasefluidresultswithconsiderableamountofheattransferenhancement.ThehighestvaluesofheattransfercoefficientsareobservedatH/W=4andC_m=0.28.However,duetothehigherviscosityofslurrycomparedwiththebasefluid,theslurrycanproducedrasticincreaseinpressuredropofthesystemthatincreaseswithNEPCMparticleloadingandjetReynoldsnumber.
