高温ケミカルヒートパイプにおける発熱部管壁反応器の熱交換特性

  • 曽 維平
    名古屋大学大学院工学研究科 エネルギー理工学専攻
  • 松田 仁樹
    名古屋大学大学院工学研究科 エネルギー理工学専攻
  • 架谷 昌信
    名古屋大学大学院工学研究科 エネルギー理工学専攻

書誌事項

タイトル別名
  • Heat Exchange Characteristics of Tube-Wall Reactor at Exothermic End for High-Temperature Chemical Heat Pipe.
  • コウオン ケミカル ヒート パイプ ニ オケル ハツネツブ カンヘキ ハンノウキ

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抄録

The heat-exchange characteristics accompanied by exothermic reaction at the heat-demand end of a chemical heat pipe system using a SO2/SO3 reversible ther-mochemical reaction was examined in a lab-scale unit. Under the experimental conditions employed it was found that the conversion by SO2-oxidation reached almost equilibrium value and the heat-exchange medium (air) was well heated by the heat of reaction. The effects of reactant gas composition, mass flow rate of reactant gas and heat exchange medium on the reaction and the heat exchange characteristics were studied. Furthermore, a comparison between experimental and calculated results obtained by using a two-dimensional mathematical model, in which the reaction and heat transfer was considered simultaneously, was performed.<BR>It was found that the heat exchange characteristics obtained from experiments can be explained by the calculated results. Under adiabatic conditions, the temperature difference between the outlet and the inlet of the heat exchange medium increased with increase of the mass flow rate of SO2 and decrease of the mass flow rate of the heat exchange medium, while the efficiency of the heat exchange process decreased with increase of the mass flow rate of SO2 and decrease of the mass flow rate of the heat exchange medium.

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