燃料電池用水素再循環可変エゼクタに関する研究 An Experimental Study on a Variable Ejector for the Hydrogen Fuel Cell System

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The present stury describes a new method to improve the performance of the ejector which can be employed for the hydrogen fuel cell system. A cone cylinder is inserted into a conventional ejector-diffuser system. Experiment is carried out to investigate the operation characteristics of the variable sonic and supersonic ejector system. For a wide range of the operation pressure ratios of the ejector system, the mass flow rate of suction flow is measured. The results obtained show that the present variable ejector system can control the suction flow rate at a fixed operation pressure ratio, and that the sonic ejector is considerably different from the spersonic ejector system. As the ejector throat area ration increases, the recirculation ration of suction flow increases for the sonic ejector, but it decreases for the supersonic ejector. The present variable ejector system can effectively control the suction mass flow rate.

収録刊行物

  • ターボ機械 = Turbomachinery  

    ターボ機械 = Turbomachinery 35(2), 81-87, 2007-02-10 

    Turbomachinery Society of Japan

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各種コード

  • NII論文ID(NAID)
    10018722051
  • NII書誌ID(NCID)
    AN00004836
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    03858839
  • NDL 記事登録ID
    8663281
  • NDL 雑誌分類
    ZN15(科学技術--機械工学・工業--流体機械)
  • NDL 請求記号
    Z16-978
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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