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- Improvements in High Speed High Resolution Dynamic Digital Image Correlation for Experimental Evaluation of Composite Drive System Components
Improvements in High Speed High Resolution Dynamic Digital Image Correlation for Experimental Evaluation of Composite Drive System Components
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Composite materials have the potential to reduce the weight of rotating drive system components. However, these components are more complex to design and evaluate than static structural components in part because of limited ability to acquire deformation and failure initiation data during dynamic tests. Digital image correlation (DIC) methods have been developed to provide precise measurements of deformation and failure initiation for material test coupons and for structures under quasi-static loading. Attempts to use the same methods for rotating components (presented at the AHS International 68th Annual Forum in 2012) are limited by high speed camera resolution, image blur, and heating of the structure by high intensity lighting. Several improvements have been made to the system resulting in higher spatial resolution, decreased image noise, and elimination of heating effects. These improvements include the use of a high intensity synchronous microsecond pulsed LED lighting system, different lenses, and changes in camera configuration. With these improvements, deformation measurements can be made during rotating component tests with resolution comparable to that which can be achieved in static tests Kohlman, Lee W. and Ruggeri, Charles R. and Roberts, Gary D. and Handschuh, Robert Frederick Glenn Research Center NASA/TM-2013-216537, E-18717, GRC-E-DAA-TN8624
Publisher Name | Independently Published |
---|---|
Author Name | Hagendorf, Col |
Format | Audio |
Bisac Subject Major | SCI |
Language | NG |
Isbn 10 | 179439897X |
Isbn 13 | 9781794398979 |
Target Age Group | min:NA, max:NA |
Dimensions | 01.10" H x 00.08" L x 50.00" W |
Page Count | 28 |
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