Inverse Radiation Problem of Boundary Incident Radiation Heat Flux in Semitransparent Planar Slab with Semitransparent Boundaries-中国Betway体育网页登陆

摘要 Aninversemethodispresentedforestimatingtheunknownboundaryincidentradiationheatfluxononesideofone-dimensionalsemitransparentplanarslabwithsemitransparentboundariesfromtheknowledgeoftheradiationintensitiesexitingfromtheotherside.Theinverseproblemissolvedusingconjugategradientmethodofminimizationbasedondiscreteordinatesmethod(DOM)ofradiativetransferequation.TheequationsofsensitivitycoefficientsarederivedandeasilysolvedbyDOM,withtheresultthatthecomplicatednumericaldifferentiationcommonlyusedinsolvingsensitivitycoefficientsisavoided.Theeffectsofanisotropicscattering,absorptioncoefficient,scatteringcoefficient,boundaryreflectivity,fluidtemperatureoutsidetheboundaries,convectionheattransfercoefficients,conductioncoefficientofsemitransparentmediaandslabthicknessontheaccuracyoftheinverseanalysisareinvestigated.Theresultsshowthattheboundaryincidentradiationheatfluxcanbeestimatedaccurately,evenwithnoisydata.

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Inverse Radiation Problem of Boundary Incident Radiation Heat Flux in Semitransparent Planar Slab with Semitransparent Boundaries

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