Poly-Phenylene-Sulfide Wedge Transducer for Exciting Surface Acoustic Waves for Removing Droplets on a Glass Plate

Jiang Wu; Ce Sun; Tomohisa UedaYuu TomoedaIsamu NagasawaKentaro Nakamura

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Poly-Phenylene-Sulfide Wedge Transducer for Exciting Surface Acoustic Waves for Removing Droplets on a Glass Plate

机译：Poly-Phenylene-Sulfide Wedge Transducer for Exciting Surface Acoustic Waves for Removing Droplets on a Glass Plate

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摘要

A wedge transducer is developed using poly-phenylene-sulfide (PPS) as an exciter of high-intensity surface acoustic wave (SAW) to remove droplets adhering to automobiles’ front shield glass. Since the front shield glass has a glass/rubber/glass triple-layered configuration, SAW is needed to be employed to confine the vibration energy within the first glass layer and avoid the energy absorption in the rubber layer. PPS is chosen among popular engineering polymers for the vibrating body because its attenuation at ultrasonic frequency is lower than other polymer materials. To assess the feasibility of our proposal, we designed and fabricated a PPS wedge transducer, and investigated the vibration characteristics and the capability to remove droplets. The transducer, which incorporated a lead-zirconate-titanate (PZT) plate and a PPS wedge, had the total volume of $24times 20times8.5$ mm3. At the voltage of 24.8 V, a SAW having the wavelength of 2 mm and the vibration velocity of 14.5 mm/s was excited on the glass plate, and the droplets were removed with the SAW.

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来源
《IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control》 |2021年第11期|3378-3385|共8页
作者
Jiang Wu; Ce Sun; Tomohisa UedaYuu TomoedaIsamu NagasawaKentaro Nakamura;
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作者单位

School of Control Science and Engineering, Shandong University, Jinan, China;

Laboratory for Future Interdisciplinary Research of Science and Technology, Tokyo Institute of Technology, Yokohama, Japan;

Subaru Corporation, Ota, Japan;

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原文格式 PDF
正文语种英语
中图分类无线电设备、电信设备;
关键词
Glass; Surface acoustic waves; Transducers; Vibrations; Attenuation; Frequency control; Absorption; Piezoelectrically inactive substrate; poly-phenylene-sulfide (PPS); surface acoustic wave (SAW); wedge transducer;

Poly-Phenylene-Sulfide Wedge Transducer for Exciting Surface Acoustic Waves for Removing Droplets on a Glass Plate

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