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        검색결과 2

        2.
        1999.11 KCI 등재 구독 인증기관 무료, 개인회원 유료
        Experimental studies on the characteristics of annular jet pump were carried out in this paper. Jet pump can be used widely for the transportation of solid materials, farm produce and fishes. The effects of high pressure chamber on the characteristics of annular jet pump were sought in this paper. Experiments were done for three shapes of high pressure chamber, and for several lengths of the high pressure chamber. Three types of the high pressure chamber's entrances(90˚ single inflow, 45˚single inflow, and 45˚ double inflow) were tested. Water was used for both the primary fluid and secondary fluid. The results obtained in this study are as follows; 45˚double inflow type is the most effective among the tested three types of the high pressure chamber's entrances. The efficiency of jet pump with 400mm of high pressure chamber length is the highest among the chamber lengths tested in this study, thus indicating appropriate chamber length is required to get an efficient.
        4,000원