Title: A comparison of approximate models for radiation in gas turbines

Authors: M. Frank, M. Seaid, A. Klar, R. Pinnau, G. Thommes, J. Janicka

Addresses: Fachbereich Mathematik, Technische Universitat Darmstadt, D-64289 Darmstadt, Germany. ' Fachbereich Mathematik, Technische Universitat Darmstadt, D-64289 Darmstadt, Germany. ' Fachbereich Mathematik, Technische Universitat Darmstadt, D-64289 Darmstadt, Germany. ' Fachbereich Mathematik, Technische Universitat Darmstadt, D-64289 Darmstadt, Germany. ' Fachbereich Mathematik, Technische Universitat Darmstadt, D-64289 Darmstadt, Germany. ' Fachbereich Maschinenbau, Technische Universitat Darmstadt, D-64289 Darmstadt, Germany

Abstract: Approximate equations for radiative heat transfer equations coupled to an equation for the temperature are stated and a comparative numerical study of the different approximations is given. The approximation methods considered here range from moment methods to simplified PN-approximations. Numerical experiments and comparisons in different space dimensions and for various physical situations are presented.

Keywords: radiative transfer; SPN-approximations; moment methods; frequency averages; discontinuous coefficients.

DOI: 10.1504/PCFD.2004.004087

Progress in Computational Fluid Dynamics, An International Journal, 2004 Vol.4 No.3/4/5, pp.191 - 197

Available online: 29 Mar 2004 *

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