不凝縮ガスを含む縦形サーモサイフォン内の蒸気凝縮流れ

概要

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An analytical model of upward condensing vapor flow in the presence of non-condensable gas in the condenser region of a gravity assisted thermosyphon was developed. The main objective is to examine the interfacial layer generated in such vapor-gas mixing regions influenced by the gravity. The model was derived from conservation equations of incompressible steady flows including transport effects of binary diffusion and of concentration inequalities in the flow field caused by gravity force. Numerical results such as density, temperature and vapor velocity distributions obained by this model were compared with those of a flow visualization experiment. The agreement was fairly good qualitatively, indicating that the model is describing the basic feature of the flow field, although it needs further finalization for quantitative discussion.
社団法人日本機械学会の論文
1988-08-25