空調機の期間効率評価法

  • 堀江 勇人
    Department of Human and Engineered Environmental Studies, Graduate School of Frontier Sciences, The University of Tokyo
  • 飛原 英治
    Department of Human and Engineered Environmental Studies, Graduate School of Frontier Sciences, The University of Tokyo

書誌事項

タイトル別名
  • Annual Performance and Performance Rating of Air Conditioners
  • 空調機の期間効率評価法(第2報)ガスエンジンヒートポンプの場合
  • クウチョウキ ノ キカン コウリツ ヒョウカホウ(ダイ2ホウ)ガスエンジンヒートポンプ ノ バアイ
  • 2nd Report: Gas Engine Heat Pump
  • 第2 報 ガスエンジンヒートポンプの場合

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説明

The annual performance factor (APF) of gas engine heat pumps (GHPs) is determined in accordance with Japanese industrial standards (JIS). The JIS-based performance rating method is easy and useful, but it does not take into account the intermittent driven mode of the compressor as well as the standards used for package air conditioners. From the results of the experiments conducted on packaged air conditioners, a substantial difference was found between the APF determined by the JIS-based method and the APF determined using the results of the experiment and by taking into account the intermittent driven mode. Because GHPs have the same mechanism as package air conditioners (GHPs are driven by gas engines, whereas package air conditioners are driven by motors), it was believed that the same issues affect the annual performances of both these systems. For both systems, it was found that the COP decreased with the load. Furthermore, various new rating methods were suggested. The use of the newly proposed methods will result in a more accurate APF as compared to the JIS-based method. Additionally, electricity consumption of GHPs was taken into account when calculating the APF.

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