Exploring Submergence Impact on Flow Induced Motion Energy Harvesting with Cir-Tria Prisms

Exploring Submergence Impact on Flow Induced Motion Energy Harvesting with Cir-Tria Prisms | 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 Research Article Exploring Submergence Impact on Flow Induced Motion Energy Harvesting with Cir-Tria Prisms Ali Sharifi, Mohammad Omidyeganeh, Mehran Masdari This is a preprint; it has not been peer reviewed by a journal. https://doi.org/ 10.21203/rs.3.rs-4879103/v1 This work is licensed under a CC BY 4.0 License Status: Published Journal Publication published 14 Oct, 2024 Read the published version in Journal of Ocean Engineering and Marine Energy → Version 1 posted 4 You are reading this latest preprint version Abstract Recent advancements in energy harvesting have utilized Flow Induced Motion (FIM) as a renewable source, diverging from past efforts aimed at minimizing FIM's adverse effects. This study introduces kinetic energy converters using alternating lift technology (ALT), employing a prism with a Cir-tria cross-section, coupled with a spring and damper, to generate energy. Utilizing computational fluid dynamics in OpenFOAM for Reynolds numbers between 2×10³ and 13×10³ and varying submergence depth ratio from 0.98 to 5.91, the research employs a moving computational grid, two-dimensional incompressible Navier-Stokes equations, the k-omega Shear Stress Transport (SST) turbulence model, the Volume-of-Fluid, VOF, two-phase model, and the cylinder mass-spring-damper equation. Findings show that approaching the flow surface negatively impacts the FIM response due to the interaction of vortices from the flow surface and the prism’s upper shear layer. This interaction weakens and neutralizes the upper vortices, altering the flow structure around the prism and the governing FIM phenomena. Proximity to the free surface significantly affects FIM responses, with a notable decrease in vibration amplitude and energy conversion as the submergence depth ratio decreases from 5.91 to 0.98. Maximum system efficiency of 0.014 is observed in the VIV initial branch at infinite submergence (single-phase flow). Beyond a submergence depth ratio of 5.91, FIM amplitude and energy conversion plateau, indicating negligible free surface effects. Energy harvesting Submergence Depth Cir-Tria Prism Flow-Induced Motion (FIM) Full Text Additional Declarations No competing interests reported. Cite Share Download PDF Status: Published Journal Publication published 14 Oct, 2024 Read the published version in Journal of Ocean Engineering and Marine Energy → Version 1 posted Editorial decision: Revision requested 12 Aug, 2024 Editor assigned by journal 10 Aug, 2024 Submission checks completed at journal 10 Aug, 2024 First submitted to journal 08 Aug, 2024 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. Our growing team is made up of researchers and industry professionals working together to solve the most critical problems facing scientific publishing. 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-4879103","acceptedTermsAndConditions":true,"allowDirectSubmit":false,"archivedVersions":[],"articleType":"Research Article","associatedPublications":[],"authors":[{"id":339337414,"identity":"c48e2b08-b8ad-488f-a4f8-7546f7f1e880","order_by":0,"name":"Ali Sharifi","email":"","orcid":"","institution":"","correspondingAuthor":false,"prefix":"","firstName":"Ali","middleName":"","lastName":"Sharifi","suffix":""},{"id":339337417,"identity":"5cf18633-b628-49a0-91af-38809d009884","order_by":1,"name":"Mohammad Omidyeganeh","email":"","orcid":"","institution":"City, University of London","correspondingAuthor":false,"prefix":"","firstName":"Mohammad","middleName":"","lastName":"Omidyeganeh","suffix":""},{"id":339337420,"identity":"cb4168b5-9238-4fce-bb87-54f7b40d1a70","order_by":2,"name":"Mehran Masdari","email":"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAZAAAAAyAQMAAABI0h/eAAAABlBMVEX///8AAABVwtN+AAAACXBIWXMAAA7EAAAOxAGVKw4bAAABCUlEQVRIiWNgGAWjYFACHjjLAIhsGNhgXAkitaQxsMH0EKmF4TADAyEtuu29xz783MEQzd9/eOPnioLz8nzyPQYMP2oYEmc2YNdiduZc8szeMwy5M26kFUueMbht2MbGY8DYc4whcTYOW8xu5Bgz8LYx5Dbc4DGQbDC4ncAG1MLA28CQOA+XlvtvjBn/ArXMP3/G+GeDwTmwFsa/+LTc4DFmBtmy4UCOGdCWA2AtzCBbcDrsTI4xs2ybRO7GG2lllg0GyUC/pBUcljkmYYzT+8fPGDO+bbPJnXf+8OabDX/s5OWbD298+KbGRnbGARzWQABKHHAYHMAXkdgA+wOSlI+CUTAKRsGwBwDKklXuFyDurQAAAABJRU5ErkJggg==","orcid":"","institution":"City, University of London","correspondingAuthor":true,"prefix":"","firstName":"Mehran","middleName":"","lastName":"Masdari","suffix":""}],"badges":[],"createdAt":"2024-08-08 07:46:33","currentVersionCode":1,"declarations":"","doi":"10.21203/rs.3.rs-4879103/v1","doiUrl":"https://doi.org/10.21203/rs.3.rs-4879103/v1","draftVersion":[],"editorialEvents":[{"content":"https://doi.org/10.1007/s40722-024-00351-z","type":"published","date":"2024-10-14T15:56:59+00:00"}],"editorialNote":"","failedWorkflow":false,"files":[{"id":67149562,"identity":"1f5948f8-7e9a-4ada-88ff-ff6ad9b7b4d4","added_by":"auto","created_at":"2024-10-21 16:13:13","extension":"pdf","order_by":1,"title":"","display":"","copyAsset":false,"role":"manuscript-pdf","size":1842387,"visible":true,"origin":"","legend":"","description":"","filename":"Manuscript.pdf","url":"https://assets-eu.researchsquare.com/files/rs-4879103/v1_covered_ffdf4320-0ee0-45f8-9fe3-d5454cc3a633.pdf"}],"financialInterests":"No competing interests reported.","formattedTitle":"Exploring Submergence Impact on Flow Induced Motion Energy Harvesting with Cir-Tria Prisms","fulltext":[],"fulltextSource":"","fullText":"","funders":[],"hasAdminPriorityOnWorkflow":false,"hasManuscriptDocX":false,"hasOptedInToPreprint":true,"hasPassedJournalQc":"","hasAnyPriority":false,"hideJournal":false,"highlight":"","institution":"","isAcceptedByJournal":true,"isAuthorSuppliedPdf":true,"isDeskRejected":"","isHiddenFromSearch":false,"isInQc":false,"isInWorkflow":false,"isPdf":true,"isPdfUpToDate":true,"isWithdrawnOrRetracted":false,"journal":{"display":true,"email":"[email protected]","identity":"journal-of-ocean-engineering-and-marine-energy","isNatureJournal":false,"hasQc":true,"allowDirectSubmit":false,"externalIdentity":"oeme","sideBox":"Learn more about [Journal of Ocean Engineering and Marine Energy](http://link.springer.com/journal/40722)","snPcode":"40722","submissionUrl":"https://submission.nature.com/new-submission/40722/3","title":"Journal of Ocean Engineering and Marine Energy","twitterHandle":"","acdcEnabled":true,"dfaEnabled":true,"editorialSystem":"em","reportingPortfolio":"Springer Hybrid","inReviewEnabled":true,"inReviewRevisionsEnabled":false},"keywords":"Energy harvesting, Submergence Depth, Cir-Tria Prism, Flow-Induced Motion (FIM)","lastPublishedDoi":"10.21203/rs.3.rs-4879103/v1","lastPublishedDoiUrl":"https://doi.org/10.21203/rs.3.rs-4879103/v1","license":{"name":"CC BY 4.0","url":"https://creativecommons.org/licenses/by/4.0/"},"manuscriptAbstract":"\u003cp\u003eRecent advancements in energy harvesting have utilized Flow Induced Motion (FIM) as a renewable source, diverging from past efforts aimed at minimizing FIM's adverse effects. This study introduces kinetic energy converters using alternating lift technology (ALT), employing a prism with a Cir-tria cross-section, coupled with a spring and damper, to generate energy. Utilizing computational fluid dynamics in OpenFOAM for Reynolds numbers between 2\u0026times;10\u0026sup3; and 13\u0026times;10\u0026sup3; and varying submergence depth ratio from 0.98 to 5.91, the research employs a moving computational grid, two-dimensional incompressible Navier-Stokes equations, the k-omega Shear Stress Transport (SST) turbulence model, the Volume-of-Fluid, VOF, two-phase model, and the cylinder mass-spring-damper equation. Findings show that approaching the flow surface negatively impacts the FIM response due to the interaction of vortices from the flow surface and the prism\u0026rsquo;s upper shear layer. This interaction weakens and neutralizes the upper vortices, altering the flow structure around the prism and the governing FIM phenomena. Proximity to the free surface significantly affects FIM responses, with a notable decrease in vibration amplitude and energy conversion as the submergence depth ratio decreases from 5.91 to 0.98. Maximum system efficiency of 0.014 is observed in the VIV initial branch at infinite submergence (single-phase flow). 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