振動方向変換体の研究 : 径方向に厚さが変化する円板をもつR-L形変換体
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概要
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In the application of longitudinal vibration system is usually of one-dimensional construction from the driver to the portion utilizing vibration energy. However, the authors are sure it may be more convenient that ultrasonic energy can be transmitted from the driver to the other direction. From this point of view, the suthors have reported in this journal the resonator with basic directional converters of the following three types, (A) L-L type converter, (B) L-L-L type converter, and (C) R-L type converter. These converters can be used as any part or unit of the vibration system from the driver to the portions utilizing vibration energy, and constructed as a three dimensional vibration system. In this paper, we analyzed the radial vibration of a hollow cylinder with various sections in general and utilizing this result analyzed the R-L type converters with various sections as shown in Fig. 4, and formulated the equations necessary for the design of these converters as given in equations from (3-7) to (3-10) and from (4-3) to (4-6). Then the converters were designed and tricllymanufactured, and the vibration characteristics of the converters were measured. As the result, it was found that the values of measurement by experiment are in good agreement with those by calculation within about 10%. In actual use of these converters, we trially made another converter with large connecting part of this type as shown in Figs. 10-12. We obtained a result that the experimental values of measurement are in good agreement with those of calculation within about 20% as shown in Figs. 13-15.
- 社団法人日本音響学会の論文
- 1974-11-01
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