{"id":40756,"date":"2026-02-02T08:00:49","date_gmt":"2026-02-02T12:00:49","guid":{"rendered":"https:\/\/www.fondriest.com\/news\/?p=40756"},"modified":"2026-03-12T11:00:12","modified_gmt":"2026-03-12T15:00:12","slug":"harnessing-fluttering-foils-vortex-induced-vibration-energy-from-lab-to-sea","status":"publish","type":"post","link":"https:\/\/www.fondriest.com\/news\/harnessing-fluttering-foils-vortex-induced-vibration-energy-from-lab-to-sea.htm","title":{"rendered":"Harnessing Fluttering Foils: Vortex-Induced Vibration Energy from Lab to Sea"},"content":{"rendered":"<p>\u201cWe know in theory that it\u2019s possible, but obviously, in practice, it doesn\u2019t always pan out that way.\u201d Spenser Boyd, Assistant Professor of Mechanical Engineering, is in his office at <a href=\"https:\/\/www.webb.edu\/\" target=\"_blank\" rel=\"noopener\">Webb Institute<\/a>. This small, private college based in Glen Cove, New York, is uniquely specialized and only awards degrees in Naval Architecture and Marine Engineering.<\/p>\n<p>Boyd, who teaches everything from physics and thermodynamics to engineering economics, is referring to a vortex-induced vibration (VIV) energy generator, which can\u2014in theory\u2014harvest energy from currents.<\/p>\n<p>Through a combination of student research and grant-funded projects, Boyd is involved in a project laying the foundations for the field deployment of a prototype VIV energy generator\u2014and a new NexSens buoy that monitors ocean conditions at a potential test site is helping take the team one step closer.<\/p>\n<div id=\"attachment_40763\" style=\"width: 950px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-40763\" class=\"size-full wp-image-40763\" src=\"https:\/\/news.fondriest.com\/wp-content\/uploads\/2026\/01\/WebbInstitute_Test-Deployment-from-Boat_ForWeb.jpg\" alt=\"The buoy has been successfully piloted and will be redeployed in Spring 2025 for its first full season of data collection.\" width=\"940\" height=\"705\" srcset=\"https:\/\/news.fondriest.com\/wp-content\/uploads\/2026\/01\/WebbInstitute_Test-Deployment-from-Boat_ForWeb.jpg 940w, https:\/\/news.fondriest.com\/wp-content\/uploads\/2026\/01\/WebbInstitute_Test-Deployment-from-Boat_ForWeb-300x225.jpg 300w, https:\/\/news.fondriest.com\/wp-content\/uploads\/2026\/01\/WebbInstitute_Test-Deployment-from-Boat_ForWeb-600x450.jpg 600w, https:\/\/news.fondriest.com\/wp-content\/uploads\/2026\/01\/WebbInstitute_Test-Deployment-from-Boat_ForWeb-768x576.jpg 768w\" sizes=\"auto, (max-width: 940px) 100vw, 940px\" \/><p id=\"caption-attachment-40763\" class=\"wp-caption-text\"><span style=\"color: #808080;\">The buoy has been successfully piloted and will be redeployed in Spring 2025 for its first full season of data collection. (Credit: Spenser Boyd)<\/span><\/p><\/div>\n<h3><span style=\"color: #4d4d4d;\">VIV Energy Generation<\/span><\/h3>\n<p>The VIV system of energy generation was pioneered by researchers at the University of Michigan. It mimics the techniques used by <a href=\"https:\/\/www.fondriest.com\/news\/wave-powered-buoy-deployed-in-puget-sound.htm\" target=\"_blank\" rel=\"noopener\">wave energy converters<\/a> to capture oscillatory and reciprocating motion, but instead harvests energy from currents themselves.<\/p>\n<p>Boyd likens the VIV system to a flag fluttering in the wind\u2013except this is a submerged, rigid \u2019flag\u2019, called a foil. When conditions are right, the flow coming off the submerged foil separates, and its symmetry creates vortices that cause it to oscillate perpendicular to the flow\u2014known as fluttering.<\/p>\n<p>\u201cThe idea is that if it\u2019s bouncing back and forth, we could put some sort of generator, or linear [generator] on\u2014 something that we could use essentially as a little energy developer,\u201d Boyd says.<\/p>\n<p>There are potential benefits to these systems over other water current harvesting devices like turbines. Boyd notes, \u201cThese flutter foils can start moving in a relatively low flow current, down to around 0.5 m\/s\u201d\u2014meaning in some environments, they could provide more net energy over long timescales.<\/p>\n<h3><span style=\"color: #4d4d4d;\">VIV Research at Webb Institute<\/span><\/h3>\n<p>Early VIV research was largely speculative and didn\u2019t go much further than demonstrating that a cylinder\u2014the simplest object that you can get to do the oscillation\u2014would flutter in flow.<\/p>\n<p><a href=\"https:\/\/umich.edu\/\" target=\"_blank\" rel=\"noopener\">University of Michigan<\/a> alum and Webb Institute\u2019s Research Director, Dr. Richard Royce, wanted to explore practical power generation and more efficient shapes.<\/p>\n<p>Research into VIV started at Webb around a decade ago. Using the in-house testbed, students built an apparatus to keep an object submerged within a circulating flow of water, and observe flow over it\u2014but this faced challenges, including tuning motion, balancing forces, and maintaining reliable operation in experimental setups.<\/p>\n<div id=\"attachment_40760\" style=\"width: 564px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-40760\" class=\"size-full wp-image-40760\" src=\"https:\/\/news.fondriest.com\/wp-content\/uploads\/2026\/01\/WebbInstitute_Flow-Channel-Testbed_ForWeb.jpg\" alt=\"The flow channel testbed at Webb Institute, showing the prototyped frame.\" width=\"554\" height=\"756\" srcset=\"https:\/\/news.fondriest.com\/wp-content\/uploads\/2026\/01\/WebbInstitute_Flow-Channel-Testbed_ForWeb.jpg 554w, https:\/\/news.fondriest.com\/wp-content\/uploads\/2026\/01\/WebbInstitute_Flow-Channel-Testbed_ForWeb-220x300.jpg 220w\" sizes=\"auto, (max-width: 554px) 100vw, 554px\" \/><p id=\"caption-attachment-40760\" class=\"wp-caption-text\"><span style=\"color: #808080;\">The flow channel testbed at Webb Institute, showing the prototyped frame.(Credit: Spenser Boyd)<\/span><\/p><\/div>\n<h3><span style=\"color: #4d4d4d;\">Expanding the VIV Project<\/span><\/h3>\n<p>Nonetheless, this first attempt laid the groundwork for renewed efforts that began in 2022 when Webb fielded its first team for the Department of Energy\u2019s Marine Energy Collegiate Competition (MECC) with a project focused on VIV.<\/p>\n<p>Funding from the MECC enabled prototyping to begin on an A-frame-like structure mounted on a vertical frame, which houses a free-moving foil between the two vertical sections. An additional grant is helping to extend this project to draw research-level data and lay the foundations for the field deployment of a VIV device.<\/p>\n<p>\u201cWe\u2019re fixing the frame a little bit,\u201d says Boyd, \u201cBut the main thing that we\u2019re doing is adding on instrumentation, so we\u2019re building out a mechanical device to do the proper power takeoff, and then we\u2019re going to add instrumentation for the flow speeds, densities, and pressure differences over the foil.\u201d<\/p>\n<p>An expanded system will enable testing of other configurations, including vertically stacked foils and multiple foils arranged in sequence, and explore how the motion of an upstream foil affects energy capture downstream.<\/p>\n<h3><span style=\"color: #4d4d4d;\">Preparing for Real-World Testing<\/span><\/h3>\n<p>\u201cIt\u2019s one thing to do all this in the lab, where we can explore all sorts of controlled parameters, but it\u2019s another to actually try to demonstrate it, to prove it out in real life,\u201d Boyd states.<\/p>\n<p>\u201cWe need to know what the environment looks like,\u201d he says simply.<\/p>\n<p>To even begin contemplating a field deployment, the team needs to have \u201cbetter data, or at least a lot more granular data, about what to expect in terms of flow velocities, flow directions and water conditions for a place where we might actually try to deploy it.\u201d<\/p>\n<p>This led Boyd to explore environmental monitoring equipment. While Webb Institute enjoys a seafront aspect, \u201cLong Island Sound isn\u2019t the most amenable body of water,\u201d and he wanted a system that was versatile, easy to deploy, and cost-effective.<\/p>\n<div id=\"attachment_40762\" style=\"width: 507px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-40762\" class=\"size-full wp-image-40762\" src=\"https:\/\/news.fondriest.com\/wp-content\/uploads\/2026\/01\/WebbInstitute_Test-Deployment_ForWeb.jpg\" alt=\"The CB-75 buoy is the smallest in the NexSens offer, and its ease of deployment was an important factor when choosing the best platform.\" width=\"497\" height=\"497\" srcset=\"https:\/\/news.fondriest.com\/wp-content\/uploads\/2026\/01\/WebbInstitute_Test-Deployment_ForWeb.jpg 497w, https:\/\/news.fondriest.com\/wp-content\/uploads\/2026\/01\/WebbInstitute_Test-Deployment_ForWeb-300x300.jpg 300w, https:\/\/news.fondriest.com\/wp-content\/uploads\/2026\/01\/WebbInstitute_Test-Deployment_ForWeb-150x150.jpg 150w\" sizes=\"auto, (max-width: 497px) 100vw, 497px\" \/><p id=\"caption-attachment-40762\" class=\"wp-caption-text\"><span style=\"color: #808080;\">The CB-75 buoy is the smallest in the NexSens offer, and its ease of deployment was an important factor when choosing the best platform. (Credit: Spenser Boyd)<\/span><\/p><\/div>\n<h3><span style=\"color: #4d4d4d;\">Data Buoy Deployment<\/span><\/h3>\n<p>Boyd opted for the <a href=\"https:\/\/www.fondriest.com\/nexsens-cb-75-data-buoy.htm\" target=\"_blank\" rel=\"noopener\">CB-75 buoy<\/a>\u2013the smallest in the <a href=\"https:\/\/www.nexsens.com\/\" target=\"_blank\" rel=\"noopener\">NexSens<\/a> offer, which was deployed around half a mile offshore in 30-40 ft of water and equipped with an <a href=\"https:\/\/www.fondriest.com\/aanderaa-doppler-current-profiler-sensors.htm\" target=\"_blank\" rel=\"noopener\">Aanderaa 5400P acoustic doppler current profiler<\/a> (ADCP).<\/p>\n<p>\u201cOur goal was granular data,\u201d Boyd clarifies. ADCPs typically provide current profiles from cells, each about half a meter, and spaced generously throughout the water column. \u201cThis means that all that space in the middle is lost to us, but one of our devices could live within that space.\u201d<\/p>\n<p>By compressing the distance at which measurements are taken so each cell overlaps with at least half of its neighbour, the team has achieved much greater data granularity.<\/p>\n<p>With the data, Boyd helps to gain insights into current direction\u2014which could inform the placement of devices to maximize coverage\u2014and the velocity profile, \u201cthe direct analog to how much energy we get out.\u201d<\/p>\n<p>The buoy was deployed in Fall 2025 for a short test and will be redeployed in the spring for its first full season of data collection.<\/p>\n<p>\u201cWe could basically start bringing that right into the lab to set up our test conditions based upon that information. So we can then do variable flows of the appropriate velocities that we see. We can mimic changes in direction by just changing the flow in the single direction that the [test] channel exists in, and then start mimicking better real life conditions for it,\u201d Boyd explains.<\/p>\n<div id=\"attachment_40759\" style=\"width: 468px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-40759\" class=\"wp-image-40759 size-full\" src=\"https:\/\/news.fondriest.com\/wp-content\/uploads\/2026\/01\/WebbInstitute_Buoy-Location_Square_ForWeb.jpg\" alt=\"Location of the Webb Institute buoy.\" width=\"458\" height=\"458\" srcset=\"https:\/\/news.fondriest.com\/wp-content\/uploads\/2026\/01\/WebbInstitute_Buoy-Location_Square_ForWeb.jpg 458w, https:\/\/news.fondriest.com\/wp-content\/uploads\/2026\/01\/WebbInstitute_Buoy-Location_Square_ForWeb-300x300.jpg 300w, https:\/\/news.fondriest.com\/wp-content\/uploads\/2026\/01\/WebbInstitute_Buoy-Location_Square_ForWeb-150x150.jpg 150w\" sizes=\"auto, (max-width: 458px) 100vw, 458px\" \/><p id=\"caption-attachment-40759\" class=\"wp-caption-text\"><span style=\"color: #808080;\">Location of the Webb Institute buoy. (Credit: Spenser Boyd)<\/span><\/p><\/div>\n<h3><span style=\"color: #4d4d4d;\">A Diverse Range of Applications<\/span><\/h3>\n<p>\u201cNow that we have the buoy, it\u2019s a platform,\u201d Boyd says. \u201cWe\u2019re looking for all sorts of ways to best take advantage of this hardware.\u201d<\/p>\n<p>The team aims to incorporate a <a href=\"https:\/\/www.fondriest.com\/seaview-systems-svs-603hr-wave-sensor.htm\" target=\"_blank\" rel=\"noopener\">wave sensor<\/a> and <a href=\"https:\/\/www.fondriest.com\/products\/water-quality.htm\" target=\"_blank\" rel=\"noopener\">water quality monitoring equipment<\/a>. Measurements of water chemistry, biochemistry and temperature will complement data from a planned land weather station on Webb\u2019s pier.<\/p>\n<p>\u201cOur goal beyond just this <a href=\"https:\/\/www.nexsens.com\/systems\/water_current_monitoring\" target=\"_blank\" rel=\"noopener\">current profiling<\/a> project, is to build out our own little in-house environmental data stream\u2014a whole platform that has all this data.\u201d<\/p>\n<p>While the end use of this data is still uncertain, Boyd is confident that \u201cif we build it, they will come.\u201d With full access to a bank of environmental data, students can work on projects that utilize real-life measurements.<\/p>\n<p>Data may also be used to support data analysis work that\u2019s increasingly part of a curriculum evolving to meet the industry\u2019s needs.<\/p>\n<p>Beyond Webb, Boyd also hopes that data can be made available via an online public portal, something that could enable partnerships and collaborations with other institutions and the community.<\/p>\n<h3><span style=\"color: #4d4d4d;\">An Exciting Future<\/span><\/h3>\n<p>VIV energy generation is a burgeoning technology with exciting possibilities.<\/p>\n<p>As it transitions from technical drawings to laboratory tests and real-world testing, data from the buoy system will support students and researchers at Webb Institute to understand environmental patterns and variability\u2014providing insights that support and inform their continued research and studies.<\/p>\n<div id=\"attachment_40764\" style=\"width: 950px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-40764\" class=\"size-full wp-image-40764\" src=\"https:\/\/news.fondriest.com\/wp-content\/uploads\/2026\/01\/WebbInstitute_Webb-Flow-Channel_ForWeb.jpg\" alt=\"Based on the environmental measurements collected by the buoy, researchers will be able to replicate these for testing of systems in the Webb Institute\u2019s flow channel.\" width=\"940\" height=\"705\" srcset=\"https:\/\/news.fondriest.com\/wp-content\/uploads\/2026\/01\/WebbInstitute_Webb-Flow-Channel_ForWeb.jpg 940w, https:\/\/news.fondriest.com\/wp-content\/uploads\/2026\/01\/WebbInstitute_Webb-Flow-Channel_ForWeb-300x225.jpg 300w, https:\/\/news.fondriest.com\/wp-content\/uploads\/2026\/01\/WebbInstitute_Webb-Flow-Channel_ForWeb-600x450.jpg 600w, https:\/\/news.fondriest.com\/wp-content\/uploads\/2026\/01\/WebbInstitute_Webb-Flow-Channel_ForWeb-768x576.jpg 768w\" sizes=\"auto, (max-width: 940px) 100vw, 940px\" \/><p id=\"caption-attachment-40764\" class=\"wp-caption-text\"><span style=\"color: #808080;\">Based on the environmental measurements collected by the buoy, researchers will be able to replicate these for testing of systems in the Webb Institute\u2019s flow channel. (Credit: Spenser Boyd)<\/span><\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u201cWe know in theory that it\u2019s possible, but obviously, in practice, it doesn\u2019t always pan out that way.\u201d Spenser Boyd, Assistant Professor of Mechanical Engineering, is in his office at Webb Institute. This small, private college based in Glen Cove, New York, is uniquely specialized and only awards degrees in Naval Architecture and Marine Engineering. [&hellip;]<\/p>\n","protected":false},"author":55,"featured_media":40817,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2371,2372,59,5,79,6,7,8,44],"tags":[1681,2835,2834,2833],"class_list":["post-40756","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-buoy","category-data-buoy","category-estuaries-wetlands","category-featured-articles","category-monitoring-gear-2","category-monitoring_tech-htm","category-news","category-newsfeed","category-oceans-coasts","tag-currents","tag-marine-engineering","tag-vortex-induced-vibration-energy-generator","tag-webb-institute"],"remote_post_permalink":false,"remote_post_featured_image":false,"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Harnessing Fluttering Foils: Vortex-Induced Vibration Energy from Lab to Sea<\/title>\n<meta name=\"description\" content=\"Researchers at the Webb Institute are advancing vortex-induced vibration (VIV) energy with the aim of harnessing power from water currents.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.fondriest.com\/news\/harnessing-fluttering-foils-vortex-induced-vibration-energy-from-lab-to-sea.htm\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Harnessing Fluttering Foils: Vortex-Induced Vibration Energy from Lab to Sea\" \/>\n<meta property=\"og:description\" content=\"Researchers at the Webb Institute are advancing vortex-induced vibration (VIV) energy with the aim of harnessing power from water currents.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.fondriest.com\/news\/harnessing-fluttering-foils-vortex-induced-vibration-energy-from-lab-to-sea.htm\" \/>\n<meta property=\"og:site_name\" content=\"Environmental Monitor\" \/>\n<meta property=\"article:published_time\" content=\"2026-02-02T12:00:49+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-03-12T15:00:12+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/news.fondriest.com\/wp-content\/uploads\/2026\/02\/WebbInstitute_Test-Deployment-from-Boat_ForWeb.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"940\" \/>\n\t<meta property=\"og:image:height\" content=\"705\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"author\" content=\"Stephanie Andrews\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Stephanie Andrews\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"8 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.fondriest.com\\\/news\\\/harnessing-fluttering-foils-vortex-induced-vibration-energy-from-lab-to-sea.htm#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.fondriest.com\\\/news\\\/harnessing-fluttering-foils-vortex-induced-vibration-energy-from-lab-to-sea.htm\"},\"author\":{\"name\":\"Stephanie Andrews\",\"@id\":\"https:\\\/\\\/www.fondriest.com\\\/news\\\/#\\\/schema\\\/person\\\/b966bab5259403392efd1a3a06a1d62a\"},\"headline\":\"Harnessing Fluttering Foils: Vortex-Induced Vibration Energy from Lab to Sea\",\"datePublished\":\"2026-02-02T12:00:49+00:00\",\"dateModified\":\"2026-03-12T15:00:12+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.fondriest.com\\\/news\\\/harnessing-fluttering-foils-vortex-induced-vibration-energy-from-lab-to-sea.htm\"},\"wordCount\":1368,\"commentCount\":0,\"image\":{\"@id\":\"https:\\\/\\\/www.fondriest.com\\\/news\\\/harnessing-fluttering-foils-vortex-induced-vibration-energy-from-lab-to-sea.htm#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/news.fondriest.com\\\/wp-content\\\/uploads\\\/2026\\\/02\\\/WebbInstitute_Test-Deployment-from-Boat_ForWeb.webp\",\"keywords\":[\"currents\",\"Marine Engineering\",\"Vortex Induced Vibration Energy Generator\",\"Webb Institute\"],\"articleSection\":[\"Buoy\",\"Data Buoy\",\"Estuaries &amp; 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(Credit: Spenser Boyd)\"},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.fondriest.com\\\/news\\\/#website\",\"url\":\"https:\\\/\\\/www.fondriest.com\\\/news\\\/\",\"name\":\"Environmental Monitor\",\"description\":\"Application and technology news for environmental professionals\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/www.fondriest.com\\\/news\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/www.fondriest.com\\\/news\\\/#\\\/schema\\\/person\\\/b966bab5259403392efd1a3a06a1d62a\",\"name\":\"Stephanie Andrews\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/ee38401f4faa2aa26b7779228463bdc933328af80c06f8120543920a07444a7a?s=96&d=mm&r=g\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/ee38401f4faa2aa26b7779228463bdc933328af80c06f8120543920a07444a7a?s=96&d=mm&r=g\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/ee38401f4faa2aa26b7779228463bdc933328af80c06f8120543920a07444a7a?s=96&d=mm&r=g\",\"caption\":\"Stephanie Andrews\"},\"description\":\"Stephanie Andrews is a\u00a0Climate Scientist and Systems Specialist with NexSens Technology. She read Geography at the University of Cambridge (MA Cantab), where she was also sub-editor of the Geography department\u2019s magazine, Compass. Andrews joined the Environmental Monitor Staff in 2024, focusing on highlighting environmental monitoring efforts across the world and NexSens user stories. 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