流体制御に関する研究III : フルイディクスによる流量制御における基礎的研究

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In this study, the fundamental studies on discharge control of control equipment by fluidics were made by hydraulic experiments with respect to the automatic control system of water managementin agricultural water supply. Hitherto, fluidics mainly used air for active fluid, but fluidics using water are needed for active fluid on the field agricultural water supply. From this point of view, the authors intended to clarify the mechanism and the characteristics of fluidics, using water for an active fluid in this study. The experiment was conducted with fluidics (wall attachment bistable amplifier) of acrylic resin. The method of this experiment was as follows; 1. Main flow was switched by the control flow, which is the mechanical characteristic of the wall attachment bistable amplifier. 2. Jet flow behaviour in the amplifier was investigated. These characteristics were investigated to clarify the shape and the scale of the amplifier which affect its mechanism. The authors produced by way of trial experiment three styles (Sharpedge, Cusp and Koma) of splitter shapes, as a practical use of small hydraulic power in changing by fluidics, and in the irrigation discharge control by the use of fluidics. Experiments were made by measurement of output discharge and the relation of bias flow constant time by electrical manometer. The results were follows. The splitter length was 5.0cm before 1 style, and 7.0〜9.Ocm after 2 styles. These results were obtained from judging the flow condition. Also, on the increase of discharge by sensitivity of the coanda effect. The authors inted to herewith investigate the possibility for the use of small hydraulic power.
岐阜大学の論文
1983-12-15

流体制御に関する研究III : フルイディクスによる流量制御における基礎的研究

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