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Proceedings Paper

The vibro-acoustic launch protection experiment overview and flight results summary
Author(s): Charlotte M. Gerhart; B. Kyle Henderson; Steve Griffin; Anthony Lazzaro; Michael E. Evert; Warren McCrary; Emil Valentin Ardelean
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Paper Abstract

The cost of performing any mission on orbit is a strong function of the cost of getting the mass into orbit and the mass of a spacecraft is driven by the launch loads that the components must be deigned to survive. Additionally, these design loads vary between launch vehicles so if circumstances arise that require a change in launch vehicle significant time and money can be spent in modifying and testing to meet different requirements. Technologies that reduce both the vibration and acoustic environments during launch have the potential to both reduce the design load levels, and eventually equalize them between boosters. To this end the Air Force Research Laboratory, Space Vehicles Directorate in cooperation with the Space Test Program, Boeing SVS, CSA Engineering, and Delta Velocity have been investigating methods to decrease the acoustic and vibration loads induced on payloads by the launch environment and demonstrating them on a sounding rocket launch. The Vibro-Acoustic Launch Protection Experiment (VALPE) mission included an acoustically designed Chamber-Core skin, two passive/active vibration isolation experiments, a passive/active acoustic damping experiment, and an energy recovery experiment integrated onto a Terrier-Improved Orion sounding rocket and launched from NASA Wallops Island. A description of the overall mission, experiments, and general results from the flight test are discussed.

Paper Details

Date Published: 29 July 2004
PDF: 10 pages
Proc. SPIE 5388, Smart Structures and Materials 2004: Industrial and Commercial Applications of Smart Structures Technologies, (29 July 2004); doi: 10.1117/12.547377
Show Author Affiliations
Charlotte M. Gerhart, Air Force Research Lab. (United States)
B. Kyle Henderson, Air Force Research Lab. (United States)
Steve Griffin, Boeing SVS, Inc. (United States)
Anthony Lazzaro, Boeing SVS, Inc. (United States)
Michael E. Evert, CSA Engineering, Inc. (United States)
Warren McCrary, Delta Velocity Corp. (United States)
Emil Valentin Ardelean, Science International Applications Corp. (United States)

Published in SPIE Proceedings Vol. 5388:
Smart Structures and Materials 2004: Industrial and Commercial Applications of Smart Structures Technologies
Eric H. Anderson, Editor(s)

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