NH_3-H_2O吸収式ヒートポンプにおける精留器の性能解析 -第2報 : 充填塔型精留器の特性 Performance Analysis of Rectifier in NH_3-H_2O Absorption Heat Pump -Characteristic of Packed tower-type Rectifier

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Heat and mass transfer model for plate-type rectifier was presented in the previous paper and it was found that there existed the distribution of NH<sub>3</sub> concentration in boundary layer in vapor and solution phase, which was the resistance to heat and mass transfer. In order to enhance heat and mass transfer, packed tower-type rectifiers have been considered effective and used in the field of chemical engineering. And many data have been accumulated for each rectification-packing with give fluid to design packed tower. But it has rarely be seen to present heat and mass transfer model in order to evaluate the performance of packed tower rectifier without any experimental constant.<br>In this study heat and mass transfer model in packed tower-type rectifier was presented considering the specification of rectification-packing decided by surface area and porosity, and the calculation results were compared with experimental data. As a result it was found that over-all mass transfer coefficient increased as mass flow rate of vapor increased and that the model could expect over-all mass transfer coefficient within 30 [%] difference to experimental data. It was also cleared that mass transfer in packed-type rectifier was two to five times more enhanced than that in plate-type rectifier.

収録刊行物

  • 日本冷凍空調学会論文集  

    日本冷凍空調学会論文集 14(1), 19-25, 1997-03-31 

    Japan Society of Refrigerating and Air Conditioning Engineers

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各種コード

  • NII論文ID(NAID)
    10002713938
  • NII書誌ID(NCID)
    AA11125910
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    13444905
  • NDL 記事登録ID
    4184403
  • NDL 雑誌分類
    ZN14(科学技術--機械工学・工業--熱機関)
  • NDL 請求記号
    Z16-1394
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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