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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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At least 937 records · Page 52
All sourcesNASA NTRSDOE OSTI
NASA NTRS2007

A Precision Deployable Aperture System Facility

This paper describes an overview of the precision environment test enclosure for testing the structures, a metrology system for absolute measurement at the micron level and the formulation of a modeling methodology that integrates the measurement of aperture components or subsystems w1th models for direct validation.

modeling↗
NASA NTRS2014

Initial Field Deployment Results of Green PCB Removal from Sediment Systems (GPRSS)

Purpose of Study: (a) Develop/optimize technology capable of removing PCBs from contaminated sediments; (b) Develop design for functional GPRSS unit; (c) Produce and prove functionality of prototype units in a laboratory settings; (d) Produce fully-functional GPRSS units for testing at a demonstration site in Altavista, VA; and (e) Evaluate efficacy of GPRSS technology for the remediation of PCB-contaminated sediments.

Initial Field↗
NASA NTRS1996

Mars Pathfinder Lander Deployment Mechanisms

The Mars Pathfinder Lander will land, right itself, and open so that none of its airbag covers its solar cells. This requires two different types of mechanisms, the Airbag Retraction Actuators, and the Lander Petal Actuators which are designed for a high torque, low temperature, dirty environment, and limited life application. The development of these actuators investigated low temperature lubrication, Electrical Discharge Machining (EDM) to cut gears, and gear design for limited life use.

Mars↗