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Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.
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A single-sheet resonance system for normal incidence of sound was investigated to study in detail the effect of sympathetic vibration of the resonator front wall on sound absorption.
A Variable Dynamic Testbed Vehicle is presently being built for the National Highway Traffic Safety Administration.
A Varible Dynamics Testbed Vehicle is presently being built for the National Highway Traffic Safety Administration.
This paper provides an overview of the vibration characteristics of typical linear-drive space cryocoolers, outlines the history of development and typical performance of the various active and passive vibration suppression systems being used.
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The Aerospace Mechanisms Symposium (AMS) provides a unique forum for those active in the design, production and use of aerospace mechanisms. A major focus is the reporting of problems and solutions associated with the development and flight certification of new mechanisms. Sponsored and organized by the Mechanisms Education Association, responsibility for hosting the AMS is shared by the National Aeronautics and Space Administration and Lockheed Martin Space. The 47th AMS was held in Virginia Beach, Virginia from May 15 to May 17. These proceedings are published to provide these lessons learned and mechanism design information to the mechanism community. Topics included instrument mechanisms, gimbals, release devices, tribology, materials issues, deployment, on-orbit performance, actuators and cubesat mechanisms. The high quality of this symposium is a result of the work of many people, and their efforts are gratefully acknowledged. This extends to the voluntary members of the symposium organizing committee representing the eight NASA field centers, Lockheed Martin Space, and the European Space Agency. Appreciation is also extended to the session chairs, the authors, and particularly the personnel at NASA Langley responsible for the symposium arrangements and the publication of these proceedings. A sincere thank you also goes to the symposium executive committee who is responsible for the year-to-year management of the AMS, including paper processing. The use of trade names of manufacturers in this publication does not constitute an official endorsement of such products or manufacturers, either expressed or implied, by the National Aeronautics and Space Administration.