噴流ポンプの特性評価法に関する研究 : 第2報 : 最大圧力と最大流量

概要

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In the previous paper, we indicated that characteristics of jet pumps could be expressed generally by using the same definition of pressure ratio and flow rate. We offered two non-dimensional parameters concerned with the volume of mixing zone and exhibited how those parameters influenced on pressure ratio and flow rate at maximum efficiency. This paper studied the influences of non-dimensional parameters on pressure ratio and flow rate at maximum value by a similar method. In the case at maximum value, we obtained also the same results as those of the case at maximum efficiency. Furthermore, we analyzed the relations between pressure ratio and flow rate at maximum efficiency by assuming an exponential relation between them and indicated that they were almost the half value of those at maximum value respectively. Experimental and analytical results showed reasonable agreement. These results must be important for designing of jet pump.
2006-11-10