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Design, Characterization, and Analysis of a Miniaturized Piezoelectric Transducer

机译:小型压电传感器的设计,表征和分析

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For portable or internal body therapeutic applications, a miniaturized ultrasonic transducer with weight, diameter, and length of 0.15Â g, 2Â mm, and 10.35Â mm, respectively, was developed based on the longitudinal mode. The free vibration resonant frequency of the device is 421Â kHz. The maximum input power of 0.45Â W, output power of 0.11Â W, and sound intensity of 38Â W/cm2 were achieved. Ultrasonic streaming in water and cavitation in silicone oil have been observed. Finite element analysis was used to analyze the electrical, mechanical, and acoustic properties of the transducer and consistent experimental results were showed.View full textDownload full textKeywordsFEA, Hydrophone method, Microfluid, Piezoelectric transducer, TherapeuticRelated var addthis_config = { ui_cobrand: "Taylor & Francis Online", services_compact: "citeulike,netvibes,twitter,technorati,delicious,linkedin,facebook,stumbleupon,digg,google,more", pubid: "ra-4dff56cd6bb1830b" }; Add to shortlist Link Permalink http://dx.doi.org/10.1080/10426910903425606
机译:对于便携式或体内治疗的应用程序,基于纵向模式开发了重量,直径和长度分别为0.15 g,2 mm和10.35 mm的微型超声换能器。该设备的自由振动共振频率为421 kHz。实现了最大输入功率0.45 W,输出功率0.11 W和声音强度38 W / cm 2 。已经观察到水中的超声流和在硅油中的空化。有限元分析用于分析换能器的电,机械和声学特性,并显示出一致的实验结果。查看全文下载全文关键字FEA,水听器方法,微流体,压电换能器,治疗相关var addthis_config = {ui_cobrand:“ Taylor&Francis在线”,services_compact:“ citeulike,netvibes,twitter,technorati,可口,linkedin,facebook,stumbleupon,digg,google,更多”,发布号:“ ra-4dff56cd6bb1830b”};添加到候选列表链接永久链接http://dx.doi.org/10.1080/10426910903425606

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