凝固粒子を伴う混相流動における理論モデル : 構成方程式の物理的意義と潜熱効果の評価

概要

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Constitutive equations regarding interfacial transports for a multiphase flow consisting of solidified particles and molten material were thermodynamically derived under the condition of the local quasi-equilibrium. The basic equations including the conservation equations and the constitutive equations for the multiphase flow were expressed in dimensionless form. The theory developed here confirmed that the temperature fields closely depended on the Lagrangian derivative of solid fraction accompanying the latent heat effect, and was characterized by the Stefan number. It was also suggested that the simplified basic equations considering the phase equilibrium diagram were useful in analysis of the multiphase flow with solid-liquid phase change.
社団法人日本機械学会の論文
1992-01-25