{"paper_id":"05a7a3b6-467c-4cd4-8ece-74931b6b00dc","body_text":"The characteristic analysis of Phase-controlled array thermo-acoustic emission with multiple emitting surfaces | Research Square window.SnipcartSettings = { analytics: { enabled: false } }; (function() { var accessVector = localStorage.getItem('access_vector') || ''; window.dataLayer = window.dataLayer || []; if (accessVector) { window.dataLayer.push({ user: { profile: { profileInfo: { snid: accessVector } } } }); } })(); (function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src='https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);})(window,document,'script','dataLayer','GTM-K279D39R'); Browse Preprints In Review Journals COVID-19 Preprints AJE Video Bytes Research Tools Research Promotion AJE Professional Editing AJE Rubriq About Preprint Platform In Review Editorial Policies Our Team Advisory Board Help Center Sign In Submit a Preprint Cite Share Download PDF Article The characteristic analysis of Phase-controlled array thermo-acoustic emission with multiple emitting surfaces Kai Zhang, Dongdong Wang, Jiayi Zhou, Yulei Su, Huaikuang Ding, and 2 more This is a preprint; it has not been peer reviewed by a journal. https://doi.org/ 10.21203/rs.3.rs-3250699/v1 This work is licensed under a CC BY 4.0 License Status: Published Journal Publication published 24 Nov, 2023 Read the published version in Scientific Reports → Version 1 posted 8 You are reading this latest preprint version Abstract Thermo-acoustic(TA) ultrasound has generated lots of interest during the last decade for its many advantages, especially combined with the phased-controlled array technology. In this paper, a theoretical expression about the TA phased array(TAPA) emission was established to study the different acoustic field based on the input heat flow frequencies, number, distances, area of TA emission surfaces, and phase change between emission surfaces. It is found that, the two emitting surfaces in a line pattern TAPA has the consist acoustic field with the single emitting surface in the semicircle. Meanwhile, applying different phases on the surface ,the scanning range will be narrowed by the increase of frequency, the area of the TA emission surface and the number of emission surfaces, but accordingly, the directivity of the TA wave will be enhanced. The increase of the distance between the emitting surfaces of the TAPA arranged in a cross shape does not affect the ultrasound pressure of the main TA ultrasound, but only increase the number and size of the side flaps; The increase of the area of the emitting surfaces will make the TA ultrasound increase in directivity, so the TAPA in a cross shape must reduce the distance of emitting surfaces to enhance the directivity, or increase the area of the emitting surfaces. This paper proposes a comprehensive study of the TAPA to help further research in the TAPA field. Physical sciences/Energy science and technology Physical sciences/Nanoscience and technology Physical sciences/Physics/Applied physics TAPA emission TA ultrasound acoustic field Full Text Additional Declarations No competing interests reported. Cite Share Download PDF Status: Published Journal Publication published 24 Nov, 2023 Read the published version in Scientific Reports → Version 1 posted Editorial decision: Major revision 26 Oct, 2023 Reviews received at journal 08 Oct, 2023 Reviewers agreed at journal 28 Sep, 2023 Reviewers invited by journal 18 Sep, 2023 Editor assigned by journal 18 Sep, 2023 Editor invited by journal 29 Aug, 2023 Submission checks completed at journal 29 Aug, 2023 First submitted to journal 10 Aug, 2023 You are reading this latest preprint version Research Square lets you share your work early, gain feedback from the community, and start making changes to your manuscript prior to peer review in a journal. As a division of Research Square Company, we’re committed to making research communication faster, fairer, and more useful. We do this by developing innovative software and high quality services for the global research community. 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Also discoverable on Platform About Our Team In Review Editorial Policies Advisory Board Help Center Resources Author Services Accessibility API Access RSS feed Manage Cookie Preferences © Research Square 2026 | ISSN 2693-5015 (online) Privacy Policy Terms of Service Do Not Sell My Personal Information {\"props\":{\"pageProps\":{\"initialData\":{\"identity\":\"rs-3250699\",\"acceptedTermsAndConditions\":true,\"allowDirectSubmit\":false,\"archivedVersions\":[],\"articleType\":\"Article\",\"associatedPublications\":[],\"authors\":[{\"id\":225511762,\"identity\":\"3d845fd0-b868-4e48-b1a6-60bfcbe9905d\",\"order_by\":0,\"name\":\"Kai 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In this paper, a theoretical expression about the TA phased array(TAPA) emission was established to study the different acoustic field based on the input heat flow frequencies, number, distances, area of TA emission surfaces, and phase change between emission surfaces. It is found that, the two emitting surfaces in a line pattern TAPA has the consist acoustic field with the single emitting surface in the semicircle. Meanwhile, applying different phases on the surface ,the scanning range will be narrowed by the increase of frequency, the area of the TA emission surface and the number of emission surfaces, but accordingly, the directivity of the TA wave will be enhanced. 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