Sha Wang, Shu-Yu Lin. Optimal design of large-sized sandwich transducer based on two-dimensional phononic crystal[J]. Acta Physica Sinica, 2019, 68(2): 024303-1
- Acta Physica Sinica
- Vol. 68, Issue 2, 024303-1 (2019)
Fig. 1. Schematic diagram of a large-size sandwich transducer: (a) Not grooved; (b) grooved. Inset is a schematic diagram of the grooved method.大尺寸夹心式换能器示意图 (a)未开槽; (b)开槽, 插图为开槽方式示意图
Fig. 2. Large-size sandwich transducer vibration diagram.大尺寸夹心式换能器振型图
Fig. 3. Vibration transmission characteristic curves of large-size sandwich transducer: (a) Change the groove height; (b) change the groove width.大尺寸夹心式换能器的振动传输特性曲线 (a)改变槽高; (b)改变槽宽
Fig. 4. Resonance and anti-resonance frequency of a large-size sandwich transducer: (a) Change the groove height; (b) change the groove width.大尺寸夹心式换能器的共振及反共振频率 (a)改变槽高; (b)改变槽宽
Fig. 5. Schematic diagram of the emission voltage response curve of the transducer.换能器的发射电压响应曲线示意图
Fig. 6. Bandwidth of a large-size sandwich transducer: (a) Change the groove height; (b) change the groove width.大尺寸夹心式换能器的带宽 (a)改变槽高; (b)改变槽宽
Fig. 7. Schematic diagram of the radiation surface section of the large-size sandwich transducer.大尺寸夹心式换能器辐射面截线示意图
Fig. 8. End face displacement distribution of large-size sandwich transducer: (a) Change the groove height; (b) change the groove width.大尺寸夹心式换能器的端面位移分布 (a)改变槽高; (b)改变槽宽
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Table 1.
Band gap distribution of large-size sandwich transducers.
大尺寸夹心式换能器的带隙分布情况
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