{"project":{"acronym":"","projectId":9179,"title":"NDE and Stress Monitoring on Composite Overwrapped Pressure Vessels","primaryTaxonomyNodes":[{"taxonomyNodeId":10884,"taxonomyRootId":8816,"parentNodeId":10879,"level":3,"code":"TX12.4.5","title":"Nondestructive Evaluation and Sensors","definition":"Non-destructive devices and nanodevices deployment and embedding rapidly and autonomously interrogate large structure areas, understand as-build conditions, accurately characterize structural integrity and environment, and detect and assess anomalies.","exampleTechnologies":"Special focus on increased sensitivity and selectivity, with reduced mass, power consumption and a smaller overall footprint; includes sensors, sensor networks, processing software for data reduction and damage location and life prediction","hasChildren":false,"hasInteriorContent":true}],"startTrl":2,"currentTrl":5,"endTrl":5,"benefits":"Enhanced inspection required for qualification testing are needed for widely used gas cylinders and other pressure vessels used throughout industry. Stress monitoring during COPV operation will enhance life management capabilities. Composite SCBA tanks that are widely used by fire and rescue personnel are currently limited to a 15 year life from date of manufacture by the department of transportation. This restriction is partly due to the fact take there is no accepted method to characterize damage in composite SCBA tanks. If this project is successful the techniques developed in it can be adapted to composite SCBA tanks to provide reliable damage assessment of these cylinders. Furthermore, composites are seeing widespread use for repairs of pressurized pipelines and other infrastructure; thus, we anticipate broad commercial opportunities in transportation and other sectors.
If this project is successful, an enhanced inspection capability will become available to NASA that will support improved life management of COPVs. Improved NDE of COPVs was identified in the 2008 KSC High Priority Technology Needs. NDE and stress monitoring during spaceflight with a minimal logistics footprint would enhance flight safety and provide capability for in-flight condition assessment, mission adaptations, and maintenance. Furthermore, this capability can support NDE and stress monitoring for other composite structures of interest to NASA.","description":"Damage caused by composite overwrapped pressure vessels (COPVs) failure can be catastrophic. Thus, monitoring condition and stress in the composite overwrap, including the fiber layers most prone to failure is needed during both preflight qualification and spaceflight. We will develop practical Non-destructive Evaluation (NDE) capability for use during spaceflight and surface mounted magnetic stress gages (MSGs) for preflight qualifications/testing and in-flight monitoring. NDE will address damage produced by impacts from micro-meteoroid orbital debris (MMOD). In addition, we will investigate the need to inspect through multi-layer insulation layer (MLI). The goal is to demonstrate feasibility of (i) volumetric stress monitoring using light weight, surface mounted MSGs, and (ii) practical, portable and easy to interpret NDE for use by crews during spaceflight, with limited training and minimal logistics support. Dual purpose electronics will be adapted to the constraints of spaceflight for NDE and MSG data acquisition and the feasibility of developing extremely light weight and small form factor electronics suitable for space flight will be investigated. This proposal is founded on successful implementations of JENTEK MWM-Array technology for the Space Shuttle leading edge RCC and recent feasibility demonstrations for MSG volumetric stress monitoring on COPV sections. The MWM-Arrays and MSGs use linear drive winding constructs to selectively induce eddy currents in different fiber layers to assess damage and monitor stresses.","startYear":2011,"startMonth":2,"endYear":2011,"endMonth":8,"statusDescription":"Completed","principalInvestigators":[{"contactId":107790,"canUserEdit":false,"firstName":"David","lastName":"Jablonski","fullName":"David Jablonski","fullNameInverted":"Jablonski, David","primaryEmail":"jentek@shore.net","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":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},{"contactId":394144,"canUserEdit":false,"firstName":"Richard","lastName":"Russell","fullName":"Richard W Russell","fullNameInverted":"Russell, Richard W","middleInitial":"W","primaryEmail":"richard.w.russell@nasa.gov","publicEmail":true,"nacontact":false}],"website":"","libraryItems":[],"transitions":[{"transitionId":65458,"projectId":9179,"transitionDate":"2011-08-01","path":"Closed Out","closeoutDocuments":[{"title":"Final Summary Chart","file":{"fileExtension":"pdf","fileId":305671,"fileName":"SBIR_2010_1_FSC_X5.04-9070","fileSize":107008,"objectId":65458,"objectType":{"lkuCodeId":1841,"code":"TRANSITION_FILES","description":"Transition Files","lkuCodeTypeId":182,"lkuCodeType":{"codeType":"OBJECT_TYPE","description":"Object Type"}},"fileSizeString":"104.5 KB"},"transitionId":65458,"fileId":305671}],"infoText":"Closed out","infoTextExtra":"","dateText":"August 2011"}],"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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