{"project":{"acronym":"","projectId":10405,"title":"Embedded Fiber Optic Shape Sensing for Aeroelastic Wing Components","primaryTaxonomyNodes":[{"taxonomyNodeId":10949,"taxonomyRootId":8816,"parentNodeId":10946,"level":3,"code":"TX15.1.3","title":"Aeroelasticity","definition":"Aeroelasticity is the coupled interaction of vehicle aerodynamics with vehicle structures and control systems, including static aeroelastic deformation, flutter, buffet, control surface buzz, aeroservoelasticity, and limit cycle oscillations.","exampleTechnologies":"Computational aeroelastic tools coupling Computational Fluid Dynamics (CFD) with structural dynamics methodologies to predict flutter, buffet, limit cycle oscillations and aeroservoelastic interactions; advanced unsteady CFD techniques to predict nonlinear fluctuating pressure fields for launch vehicle and aircraft buffet, control surface buzz and other nonlinear aero structural interactions; advanced ground test techniques and strategies to simulate and predict the performance of coupled aero/structural systems as well as complex unsteady flows and loads; advanced aircraft systems such as truss-braced wing and other concepts based on high aspect ratio wing configurations enabled by advanced static and dynamic aeroelastic prediction methodology; active flutter suppression; aeroelastic tailoring; active static/buffet/gust load alleviation","hasChildren":false,"hasInteriorContent":true}],"startTrl":3,"currentTrl":3,"endTrl":3,"benefits":"Successful development of the proposed embedded fiber optic wing shape sensing technology will support the mission directives of several of NASA's Fundamental Aeronautics Program (FAP) by adding key sensing capabilities for advanced on-the-ground and in-flight research as well as feedback information for aeroservoelastic systems. By enhancing static and dynamic wing performance, the use of distributed shape sensing systems in will enhance the performance and efficiency of next-generation commercial aircraft, such as those based on Boeing's Truss-Braced Wing technology
Luna Innovations has proven track record of commercializing technology developed under the SBIR / STTR program, and has developed strong relationships with many of the DOD's prime contractors including Lockheed Martin, Northrop Grumman, and Boeing. Cutting-edge unmanned aerial vehicles, such as Boeing's Phantom Eye High-Altitude Long Endurance (HALE) AUV, represent a rapidly increasing market for in-flight aeroelastic measurement and feedback technologies. Because of their large, lightweight wings and unpredictable high altitude operating environment, HALE AUVs have a pressing need for accurate, reliable wing shape measurement and control. Luna's embedded shape measurement system could provide vital information during design and testing, and in-flight operation to ensure optimal vehicle performance and help prevent excessive wing warp or vibration.","description":"As the aerospace industry continues to push for greater vehicle efficiency, performance, and longevity, properties of wing aeroelasticity and flight dynamics have become increasingly important. Both the study and the active control of wing dynamics require advanced sensing technology to inform the design process on the ground and provide feedback for aeroservoelastic systems in the sky. Existing aeroelastic monitoring systems rely on large networks of individual strain sensors, which must be precisely mapped to the wing's surface, and from which dynamic wing shape can only be inferred from the synthesis of their strain measurements. To date, no technology has been demonstrated which can make a true measurement of distributed wing shape using a single embedded sensor. Luna Innovations, Inc. proposes to leverage its ongoing fiber optic shape sensing development effort to create a unique technology capable of measuring wing geometry and vibration in response to gusts, static or dynamic loading, and aeroservoelastic control. In partnership with Dr. Rakesh Kapania, Professor of Aerospace Engineering at Virginia Tech, Luna will design a model-based sensor layout, embed their miniature fiber optic shape sensing technology in an idealized flexible wing model, and demonstrate the feasibility of the technology in a wind tunnel environment.","startYear":2012,"startMonth":2,"endYear":2013,"endMonth":2,"statusDescription":"Completed","principalInvestigators":[{"contactId":507213,"canUserEdit":false,"firstName":"Evan","lastName":"Lally","fullName":"Evan Lally","fullNameInverted":"Lally, Evan","primaryEmail":"lallye@lunainc.com","publicEmail":true,"nacontact":false}],"programDirectors":[{"contactId":206378,"canUserEdit":false,"firstName":"Jason","lastName":"Kessler","fullName":"Jason L Kessler","fullNameInverted":"Kessler, Jason L","middleInitial":"L","primaryEmail":"jason.l.kessler@nasa.gov","publicEmail":true,"nacontact":false}],"programExecutives":[{"contactId":215154,"canUserEdit":false,"firstName":"Jennifer","lastName":"Gustetic","fullName":"Jennifer L Gustetic","fullNameInverted":"Gustetic, Jennifer L","middleInitial":"L","primaryEmail":"jennifer.l.gustetic@nasa.gov","publicEmail":true,"nacontact":false}],"programManagers":[{"contactId":62051,"canUserEdit":false,"firstName":"Carlos","lastName":"Torrez","fullName":"Carlos Torrez","fullNameInverted":"Torrez, Carlos","primaryEmail":"carlos.torrez@nasa.gov","publicEmail":true,"nacontact":false}],"projectManagers":[{"contactId":3251860,"canUserEdit":false,"firstName":"Allen","lastName":"Parker","fullName":"Allen Parker","fullNameInverted":"Parker, Allen","primaryEmail":"Allen.R.Parker@nasa.gov","publicEmail":true,"nacontact":false},{"contactId":461333,"canUserEdit":false,"firstName":"Theresa","lastName":"Stanley","fullName":"Theresa M Stanley","fullNameInverted":"Stanley, Theresa M","middleInitial":"M","primaryEmail":"theresa.m.stanley@nasa.gov","publicEmail":true,"nacontact":false}],"website":"","libraryItems":[],"transitions":[{"transitionId":65134,"projectId":10405,"transitionDate":"2013-02-01","path":"Closed Out","closeoutDocuments":[{"title":"Final Summary Chart","file":{"fileExtension":"pptx","fileId":305378,"fileName":"STTR_2011_1_FSC_T2.02-9821","fileSize":511138,"objectId":65134,"objectType":{"lkuCodeId":1841,"code":"TRANSITION_FILES","description":"Transition Files","lkuCodeTypeId":182,"lkuCodeType":{"codeType":"OBJECT_TYPE","description":"Object Type"}},"fileSizeString":"499.2 KB"},"transitionId":65134,"fileId":305378}],"infoText":"Closed out","infoTextExtra":"","dateText":"February 2013"}],"responsibleMd":{"acronym":"STMD","canUserEdit":false,"city":"","external":false,"linkCount":0,"organizationId":4875,"organizationName":"Space Technology Mission Directorate","organizationType":"NASA_Mission_Directorate","naorganization":false,"organizationTypePretty":"NASA Mission Directorate"},"program":{"acronym":"SBIR/STTR","active":true,"description":"
The NASA SBIR and STTR programs fund the research, development, and demonstration of innovative technologies that fulfill NASA needs as described in the annual Solicitations and have significant potential for successful commercialization. If you are a small business concern (SBC) with 500 or fewer employees or a non-profit RI such as a university or a research laboratory with ties to an SBC, then NASA encourages you to learn more about the SBIR and STTR programs as a potential source of seed funding for the development of your innovations.
The SBIR and STTR programs have 3 phases:
The SBIR and STTR Phase I contracts last for 6 months with a maximum funding of $125,000, and Phase II contracts last for 24 months with a maximum funding of $750,000 - $1.5 million.
Opportunity for Continued Technology Development Post-Phase II:
The NASA SBIR/STTR Program currently has in place two initiatives for supporting its small business partners past the basic Phase I and Phase II elements of the program that emphasize opportunities for commercialization. Specifically, the NASA SBIR/STTR Program has the Phase II Enhancement (Phase II-E) and Phase II eXpanded (Phase II-X) contract options.
Please review the links below to obtain more information on the SBIR/STTR programs.
Provides an overview of the SBIR and STTR programs as implemented by NASA
Provides access to the annual SBIR/STTR Solicitations containing detailed information on the program eligibility requirements, proposal instructions and research topics and subtopics
Schedule and links for the SBIR/STTR solicitations and selection announcements
Federal and non-Federal sources of assistance for small business
Search our complete archive of awarded project abstracts to learn about what NASA has funded
Still have questions? Visit the program FAQs
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