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Author : Jennifer L. Pinkerton
Publisher :
ISBN 13 :
Total Pages : 40 pages
Book Rating : 4.:/5 (317 download)
Download or read book A Feasibility Study to Control Airfoil Shape Using THUNDER written by Jennifer L. Pinkerton and published by . This book was released on 1997 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : National Aeronautics and Space Adm Nasa
Publisher :
ISBN 13 : 9781729124246
Total Pages : 32 pages
Book Rating : 4.1/5 (242 download)
Download or read book A Feasibility Study to Control Airfoil Shape Using Thunder written by National Aeronautics and Space Adm Nasa and published by . This book was released on 2018-10-23 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt: The objective of this study was to assess the capabilities of a new out-of-plane displacement piezoelectric actuator called thin-layer composite-unimorph ferroelectric driver and sensor (THUNDER) to alter the upper surface geometry of a subscale airfoil to enhance performance under aerodynamic loading. Sixty test conditions, consisting of combinations of five angles of attack, four dc applied voltages, and three tunnel velocities, were studied in a tabletop wind tunnel. Results indicated that larger magnitudes of applied voltage produced larger wafer displacements. Wind-off displacements were also consistently larger than wind-on. Higher velocities produced larger displacements than lower velocities because of increased upper surface suction. Increased suction also resulted in larger displacements at higher angles of attack. Creep and hysteresis of the wafer, which were identified at each test condition, contributed to larger negative displacements for all negative applied voltages and larger positive displacements for the smaller positive applied voltage (+102 V). An elastic membrane used to hold the wafer to the upper surface hindered displacements at the larger positive applied voltage (+170 V). Both creep and hysteresis appeared bounded based on the analysis of several displacement cycles. These results show that THUNDER can be used to alter the camber of a small airfoil under aerodynamic loads. Pinkerton, Jennifer L. and Moses, Robert W. Langley Research Center RTOP 505-63-50-13...
Author : Ahmed Khairy Noor
Publisher : AIAA
ISBN 13 : 9781600864407
Total Pages : 472 pages
Book Rating : 4.8/5 (644 download)
Download or read book Structures Technology for Future Aerospace Systems written by Ahmed Khairy Noor and published by AIAA. This book was released on 2000 with total page 472 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Rani Elhajjar
Publisher : CRC Press
ISBN 13 : 1439895910
Total Pages : 432 pages
Book Rating : 4.4/5 (398 download)
Download or read book Smart Composites written by Rani Elhajjar and published by CRC Press. This book was released on 2013-12-14 with total page 432 pages. Available in PDF, EPUB and Kindle. Book excerpt: Smart Composites: Mechanics and Design addresses the current progress in the mechanics and design of smart composites and multifunctional structures. Divided into three parts, it covers characterization of properties, analyses, and design of various advanced composite material systems with an emphasis on the coupled mechanical and non-mechanical behaviors. Part one includes analyses of smart materials related to electrically conductive, magnetostrictive nanocomposites and design of active fiber composites. These discussions include several techniques and challenges in manufacturing smart composites and characterizing coupled properties, as well as the analyses of composite structures at various length and time scales undergoing coupled mechanical and non-mechanical stimuli considering elastic, viscoelastic (and/or viscoplastic), fatigue, and damage behaviors. Part two is dedicated to a higher-scale analysis of smart structures with topics such as piezoelectrically actuated bistable composites, wing morphing design using macrofiber composites, and multifunctional layered composite beams. The analytical expressions for characterization of the smart structures are presented with an attention to practical application. Finally, part three presents recent advances regarding sensing and structural health monitoring with a focus on how the sensing abilities can be integrated within the material and provide continuous sensing, recognizing that multifunctional materials can be designed to both improve and enhance the health-monitoring capabilities and also enable effective nondestructive evaluation. Smart Composites: Mechanics and Design is an essential text for those interested in materials that not only possess the classical properties of stiffness and strength, but also act as actuators under a variety of external stimuli, provide passive and active response to enable structural health monitoring, facilitate advanced nondestructive testing strategies, and enable shape-changing and morphing structures.
Author : Fengfeng (Jeff) Xi
Publisher : ReMAR2021
ISBN 13 : 1774170434
Total Pages : 828 pages
Book Rating : 4.7/5 (741 download)
Download or read book Proceedings of the 5th IEEE/IFToMM International Conference on Reconfigurable Mechanisms and Robots written by Fengfeng (Jeff) Xi and published by ReMAR2021. This book was released on 2021-08-12 with total page 828 pages. Available in PDF, EPUB and Kindle. Book excerpt: The 5th IEEE/IFToMM International Conference on Re-configurable Mechanisms and Robots (ReMAR 2021) was held in Toronto, Canada on August 12-14, 2021 at Ryerson University. The conference proceedings include more than 70 papers on three main subjects, 1) Reconfigurable Mechanisms and Robotics, 2) Variable Topology and Morphing Mechanism, and 3)Origami and Bio-inspired mechanisms.
Author : Ahmad Safari
Publisher : Springer Science & Business Media
ISBN 13 : 0387765409
Total Pages : 483 pages
Book Rating : 4.3/5 (877 download)
Download or read book Piezoelectric and Acoustic Materials for Transducer Applications written by Ahmad Safari and published by Springer Science & Business Media. This book was released on 2008-09-11 with total page 483 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book discusses the underlying physical principles of piezoelectric materials, important properties of ferroelectric/piezoelectric materials used in today’s transducer technology, and the principles used in transducer design. It provides examples of a wide range of applications of such materials along with the appertaining rationales. With contributions from distinguished researchers, this is a comprehensive reference on all the pertinent aspects of piezoelectric materials.
Author :
Publisher :
ISBN 13 :
Total Pages : 838 pages
Book Rating : 4.:/5 (891 download)
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Publisher :
ISBN 13 :
Total Pages : 452 pages
Book Rating : 4.3/5 (91 download)
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ISBN 13 :
Total Pages : 480 pages
Book Rating : 4.0/5 ( download)
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Author : Scott Jeremy Johnson
Publisher :
ISBN 13 :
Total Pages : 338 pages
Book Rating : 4.:/5 (78 download)
Download or read book Active Load Control Techniques for Wind Turbines Focusing on Mechanical Design of a Microtab System written by Scott Jeremy Johnson and published by . This book was released on 2008 with total page 338 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : M. P. Paidoussis
Publisher :
ISBN 13 :
Total Pages : 772 pages
Book Rating : 4.3/5 (91 download)
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ISBN 13 :
Total Pages : 692 pages
Book Rating : 4.0/5 ( download)
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Author : Manfred Wuttig
Publisher : SPIE-International Society for Optical Engineering
ISBN 13 :
Total Pages : 364 pages
Book Rating : 4.3/5 (91 download)
Download or read book Smart Structures and Materials 1999 written by Manfred Wuttig and published by SPIE-International Society for Optical Engineering. This book was released on 1999 with total page 364 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 442 pages
Book Rating : 4.:/5 (317 download)
Download or read book CEAS/AIAA/ICASE/NASA Langley International Forum on Aeroelasticity and Structural Dynamics 1999 written by and published by . This book was released on 1999 with total page 442 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 446 pages
Book Rating : 4.F/5 ( download)
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ISBN 13 :
Total Pages : 162 pages
Book Rating : 4.:/5 (317 download)
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Author : Yiin-Kuen Fuh
Publisher :
ISBN 13 :
Total Pages : 376 pages
Book Rating : 4.:/5 (35 download)
Download or read book Micro Molding of Polymeric Antennas and Energy Harvesters written by Yiin-Kuen Fuh and published by . This book was released on 2009 with total page 376 pages. Available in PDF, EPUB and Kindle. Book excerpt:
