B112 フィンチューブ熱交換器の高性能化に関する研究

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タイトル別名
  • Flow across Fin-tube Heat Exchanger for Air-conditioning Equipment
  • フィン チューブ ネツ コウカンキ ノ コウセイノウカ ニカンスルケンキュウ

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Flow across a finned tube heat exchanger, which is installed at an angle to air stream in the flow passage of the air-conditioning equipment, is investigated. Velocity measurements and flow visualizations are performed in both the inlet and exit chamber of the heat exchanger. The flow characteristics in the equipment are in general agreement with results of flow visualization tests conducted on a separate test section made of Plexiglas. Furthermore, numerical calculation results on the flow by the finite volume method agree well with flow visualization results. Analytical and experimental attempts help us to understand effects of the flow incidence angle and Reynolds number on the performance of the heat exchanger.

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