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  • 1
    Publication Date: 2013-08-31
    Description: Data measurement and interpretation techniques were defined for application to the first few space shuttle flights, so that the dynamic environment could be sufficiently well established to be used to reduce the cost of future payloads through more efficient design and environmental test techniques. It was concluded that: (1) initial payloads must be given comprehensive instrumentation coverage to obtain detailed definition of acoustics, vibration, and interface loads, (2) analytical models of selected initial payloads must be developed and verified by modal surveys and flight measurements, (3) acoustic tests should be performed on initial payloads to establish realistic test criteria for components and experiments in order to minimize unrealistic failures and retest requirements, (4) permanent data banks should be set up to establish statistical confidence in the data to be used, (5) a more unified design/test specification philosophy is needed, (6) additional work is needed to establish a practical testing technique for simulation of vehicle transients.
    Keywords: SPACECRAFT DESIGN, TESTING AND PERFORMANCE
    Type: NASA-CR-144892 , MCR-75-444
    Format: application/pdf
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  • 2
    Publication Date: 2013-08-31
    Description: Analytical and test techniques are discussed. Areas in which hindsight indicated erroneous, redundant, or unnecessarily severe design and test specifications are identified. Recommendations are made for improvements in the dynamic design and criteria philosophy, aimed at reducing costs for payloads.
    Keywords: SPACECRAFT DESIGN, TESTING AND PERFORMANCE
    Type: MCR-77-144 , NASA-CR-3014
    Format: application/pdf
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  • 3
    Publication Date: 2013-08-31
    Description: The current predicted acoustic environment for the shuttle orbiter payload bay will produce random vibration environments for payload components and subsystems which potentially will result in design, weight and cost penalties if means of protecting the payloads are not developed. Results are presented of a study to develop, through design and cost effectiveness trade studies, conceptual noise suppression device designs for space shuttle payloads. The impact of noise suppression on environmental levels and associated test costs, and on test philosophy for the various payload classes is considered with the ultimate goal of reducing payload test costs. Conclusions and recommendations are presented.
    Keywords: SPACECRAFT DESIGN, TESTING AND PERFORMANCE
    Type: MCR-76-166 , NASA-CR-144233
    Format: application/pdf
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  • 4
    Publication Date: 2019-07-13
    Description: The procedure used to derive component-level pyro shock specifications for the Viking Lander Capsule (VLC) is described. Effects of shock path distance and mechanical joints between the device and the point at which the environment is to be estimated are accounted for in the method. The validity of the prediction technique was verified by a series of shock tests on a full-scale structural model of the lander body.
    Keywords: SPACECRAFT DESIGN, TESTING AND PERFORMANCE
    Type: Institute of Environmental Sciences, Annual Technical Meeting; April 14-16, 1975; Anaheim, CA
    Format: text
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