Analytical axial view factors and thermal radiation distribution inside a cylindrical hohlraum

Thermal radiation redistribution inside a cylindrical hohlraum is discussed for uniform disc and two-ring sources. The flux conservation equation, coupled with self-similar scaling relation for the re-emitted flux, is solved to obtain the radiation temperature profile inside a gold capillary hohlrau...

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Bibliographic Details
Published in:Physics of plasmas 2000-06, Vol.7 (6), p.2616-2621
Main Authors: Srivastava, M. K., Kumar, Vinod, Menon, S. V. G.
Format: Article
Language:English
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Summary:Thermal radiation redistribution inside a cylindrical hohlraum is discussed for uniform disc and two-ring sources. The flux conservation equation, coupled with self-similar scaling relation for the re-emitted flux, is solved to obtain the radiation temperature profile inside a gold capillary hohlraum at various times. The axial view factors required for the calculations are derived analytically in a closed form, which not only exactly reproduce the numerical results [G. D. Tsakiris, Phys. Fluids B 4, 992 (1992)] but also simplifies the overall problem enormously, both in terms of computational time and effort.
ISSN:1070-664X
1089-7674
DOI:10.1063/1.874103