Evolvable Acoustic Field Generated by a Transducer with 3D-Printed Fresnel Lens
Evolvable acoustic fields are considered an effective method for solving technical problems related to fields such as biological imaging, particle manipulation, drug therapy and intervention. However, because of technical difficulties and the limited technology available for realizing flexible adjus...
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MDPI AG
2021
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oai:doaj.org-article:73649d0517004afd8f0ca31d9d1749632021-11-25T18:23:03ZEvolvable Acoustic Field Generated by a Transducer with 3D-Printed Fresnel Lens10.3390/mi121113152072-666Xhttps://doaj.org/article/73649d0517004afd8f0ca31d9d1749632021-10-01T00:00:00Zhttps://www.mdpi.com/2072-666X/12/11/1315https://doaj.org/toc/2072-666XEvolvable acoustic fields are considered an effective method for solving technical problems related to fields such as biological imaging, particle manipulation, drug therapy and intervention. However, because of technical difficulties and the limited technology available for realizing flexible adjustments of sound fields, few studies have reported on this aspect in recent years. Herein, we propose a novel solution, using a Fresnel lens-focused ultrasonic transducer for generating excited-signal-dependent acoustic pressure patterns. Finite element analysis (FEA) is used to predict the performance of a transducer with a Fresnel lens. The Fresnel lens is printed using 3D additive manufacturing. Normalized intensity maps of the acoustic pressure fields are characterized from the Fresnel lens-focused transducer under various numbers of excited-signal cycles. The results demonstrate that under different cycle excitations, a temporal evolution acoustic intensity can be generated and regulated by an ultrasound transducer with a 3D Fresnel lens. This acoustical pattern control method is not only simple to realize but also has considerable application prospects.Danfeng WangPengfei LinZeyu ChenChunlong FeiZhihai QiuQiang ChenXinhao SunYan WuLei SunMDPI AGarticleevolvable acoustic field3D printed Fresnel lensfinite element analysisultrasonic transducerMechanical engineering and machineryTJ1-1570ENMicromachines, Vol 12, Iss 1315, p 1315 (2021) |
| institution |
DOAJ |
| collection |
DOAJ |
| language |
EN |
| topic |
evolvable acoustic field 3D printed Fresnel lens finite element analysis ultrasonic transducer Mechanical engineering and machinery TJ1-1570 |
| spellingShingle |
evolvable acoustic field 3D printed Fresnel lens finite element analysis ultrasonic transducer Mechanical engineering and machinery TJ1-1570 Danfeng Wang Pengfei Lin Zeyu Chen Chunlong Fei Zhihai Qiu Qiang Chen Xinhao Sun Yan Wu Lei Sun Evolvable Acoustic Field Generated by a Transducer with 3D-Printed Fresnel Lens |
| description |
Evolvable acoustic fields are considered an effective method for solving technical problems related to fields such as biological imaging, particle manipulation, drug therapy and intervention. However, because of technical difficulties and the limited technology available for realizing flexible adjustments of sound fields, few studies have reported on this aspect in recent years. Herein, we propose a novel solution, using a Fresnel lens-focused ultrasonic transducer for generating excited-signal-dependent acoustic pressure patterns. Finite element analysis (FEA) is used to predict the performance of a transducer with a Fresnel lens. The Fresnel lens is printed using 3D additive manufacturing. Normalized intensity maps of the acoustic pressure fields are characterized from the Fresnel lens-focused transducer under various numbers of excited-signal cycles. The results demonstrate that under different cycle excitations, a temporal evolution acoustic intensity can be generated and regulated by an ultrasound transducer with a 3D Fresnel lens. This acoustical pattern control method is not only simple to realize but also has considerable application prospects. |
| format |
article |
| author |
Danfeng Wang Pengfei Lin Zeyu Chen Chunlong Fei Zhihai Qiu Qiang Chen Xinhao Sun Yan Wu Lei Sun |
| author_facet |
Danfeng Wang Pengfei Lin Zeyu Chen Chunlong Fei Zhihai Qiu Qiang Chen Xinhao Sun Yan Wu Lei Sun |
| author_sort |
Danfeng Wang |
| title |
Evolvable Acoustic Field Generated by a Transducer with 3D-Printed Fresnel Lens |
| title_short |
Evolvable Acoustic Field Generated by a Transducer with 3D-Printed Fresnel Lens |
| title_full |
Evolvable Acoustic Field Generated by a Transducer with 3D-Printed Fresnel Lens |
| title_fullStr |
Evolvable Acoustic Field Generated by a Transducer with 3D-Printed Fresnel Lens |
| title_full_unstemmed |
Evolvable Acoustic Field Generated by a Transducer with 3D-Printed Fresnel Lens |
| title_sort |
evolvable acoustic field generated by a transducer with 3d-printed fresnel lens |
| publisher |
MDPI AG |
| publishDate |
2021 |
| url |
https://doaj.org/article/73649d0517004afd8f0ca31d9d174963 |
| work_keys_str_mv |
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