空調用熱交換器のフィンピッチ乱れに及ぼすフィン材特性の影響 The effect of sheet characteristics on disarrangement of aluminum fins in the heat exchanger of room air conditioner

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著者

    • 城戸 孝聡 KIDO Taka-aki
    • 住友軽金属工業(株)研究開発センター Sumitomo Light Metal Industries, Ltd., Research & Development Center
    • 佐藤 好生 SATO Yoshio
    • 住友軽金属工業(株)研究開発センター Sumitomo Light Metal Industries, Ltd., Research & Development Center

抄録

To cope with the disarrangement of aluminum fins (called "Avec") which occasionally occurs during the expansion process of copper tubes in the heat exchanger of room air conditioners, the effects of the mechanical properties, the thickness and the surface treatments of the aluminum fin stock on avec were investigated. These results are summarized as follows. (1) For avec, the compressive load on the fins at the unexpanded part of the heat exchanger, due to shrinking of the copper tube by the expansion, has a great influence on avec. When the compressive load on the fins is within the range for the fin shape, avec occurs. (2) The friction coefficient of the fin's surface treatment significantly affects the compressive load on the fins. By using a surface treatment having a very low friction coefficient, the compressive load can be sufficiently reduced to prevent avec. (3) The effect of the mechanical properties on avec have not been determined. The fin thickness has a small influence on avec. By using thicker fins, the occurrence of avec could be slightly reduced.

収録刊行物

  • 軽金属  

    軽金属 50(2), 54-59, 2000-02-28 

    The Japan Institute of Light Metals

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各種コード

  • NII論文ID(NAID)
    10004548559
  • NII書誌ID(NCID)
    AN00069773
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    04515994
  • NDL 記事登録ID
    5283202
  • NDL 雑誌分類
    ZP41(科学技術--金属工学・鉱山工学)
  • NDL 請求記号
    Z17-284
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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