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It is proved to be sensitive to the design frequency, which is associated with the spacing of CML coil. In this work, the relationship between the design frequency and characteristic of PFSV-EMATs, such as the particle displacement and focal offset, is studied quantitatively. First, the configuration and working principle of PFSV-EMATs are introduced comprehensively. Then, a finite element model is established to simulate the incentive and propagation process of ultrasonic waves. In addition, the relationship between magnet-to-coil radius ratio and the signal amplitude generated by the PFSV-EMATs is explored to ensure the consistency of transducer parameters at different frequencies. Furthermore, under the optimal magnet-to-coil radius ratio, the influence of design frequency on the characteristic of PFSV-EMATs is studied. Finally, the experimental results show good agreement with the simulation results and indicate that the signal amplitude and point-focusing performance of PFSV-EMATs employing CML coils could be improved by carefully choosing the design frequency.<\/jats:p>","DOI":"10.1155\/2022\/7236503","type":"journal-article","created":{"date-parts":[[2022,3,1]],"date-time":"2022-03-01T17:20:44Z","timestamp":1646155244000},"page":"1-10","source":"Crossref","is-referenced-by-count":1,"title":["Investigating the Influence of Design Frequency on the Ultrasonic Signal of PFSV-EMATs"],"prefix":"10.1155","volume":"2022","author":[{"given":"Xiaojuan","family":"Jia","sequence":"first","affiliation":[{"name":"College of Mechanical and Equipment Engineering, Hebei University of Engineering, Handan 056038, China"},{"name":"Key Laboratory of Intelligent Vehicles in Handan City, Handan 056038, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Min","family":"Liu","sequence":"additional","affiliation":[{"name":"College of Mechanical and Equipment Engineering, Hebei University of Engineering, Handan 056038, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4713-3156","authenticated-orcid":true,"given":"Jingjun","family":"Zhang","sequence":"additional","affiliation":[{"name":"College of Mechanical and Equipment Engineering, Hebei University of Engineering, Handan 056038, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Qi","family":"Ouyang","sequence":"additional","affiliation":[{"name":"College of Automation, Chongqing University, Chongqing 400044, China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","reference":[{"key":"1","doi-asserted-by":"publisher","DOI":"10.1016\/j.renene.2015.07.090"},{"key":"2","doi-asserted-by":"crossref","DOI":"10.1007\/978-1-4757-3743-1","volume-title":"EMATs for Science and Industry","author":"M. 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