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Numerical Uncertainty for Radiative Transfer Equation by an Information Entropy Approach

2011; American Institute of Aeronautics and Astronautics; Volume: 25; Issue: 4 Linguagem: Inglês

10.2514/1.t3630

1533-6808

H.-C. Zhang, Yan Li, He‐Ping Tan,

Advanced Image Fusion Techniques

f = spatial differencing factor H = information entropy indicator, bit Ib = blackbody spectral radiative intensity, W= m-srm I = spectral radiative intensity, W= m-srm i, j = index of nodal point in the region without laser incidence NX = spatial discretization grid number along x axis NY = spatial discretization grid number along y axis N = angular discretization grid number along direction N’ = angular discretization grid number along ’ direction nb = normal vector of the boundary p = probability of temperature increasing due to numerical scattering s = spatial position vector, m T = temperature, K = transmittance = emissivity a = spectral absorption coefficient of medium, m 1 s = spectral scattering coefficient of medium, m 1 = wavelength, m = optical thickness = scattering-phase function = solid-angle ordinate direction 0 = solid-angle ordinate for scattering direction