対流ふく射共存伝熱系における新数値解析法

概要

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Because of the integro-differential nature and high nonlinearity of the energy conservation equation in the combined convective-radiative heat transfer, it is not easy to solve the equation by numerical method. The method based on the solution procedure for a partial differential equation has been used when the convective term dominates, while the numerical method based on the solution procedure for an integral equation has been used when the radiative term dominates. In this study, we make clear the problems involved in these methods, and by changing the grid points, we propose a new numerical method based on the partial differential equation which can be applicable to the radiation dominant region. Also, we propose a new numerical method which quasi-linearizes the radiative term. This method has advantage that the computational time is short and the calculation speed shows weak dependence on the relaxation parameter.
一般社団法人日本機械学会の論文
1990-09-25