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In-Vacuum Photogrammetry of a 10-Meter Solar SailIn July 2004, a 10-meter solar sail structure developed by L Garde, Inc. was tested in vacuum at the NASA Glenn 30-meter Plum Brook Space Power Facility in Sandusky, Ohio. The three main objections of the test were to demonstrate unattended deployment from a stowed configuration, to measure the deployed shape of the sail at both ambient and cryogenic room temperatures, and to measure the deployed structural dynamic characteristics (vibration modes). This paper summarizes the work conducted to fulfill the second test objective. The deployed shape was measured photogrammetrically in vacuum conditions with four 2-megapixel digital video cameras contained in custom made pressurized canisters. The canisters included high-intensity LED ring lights to illuminate a grid of retroreflective targets distributed on the solar sail. The test results closely matched pre-test photogrammetry numerical simulations and compare well with ABAQUS finite-element model predictions.
Document ID
20050203965
Acquisition Source
Langley Research Center
Document Type
Preprint (Draft being sent to journal)
Authors
Meyer, Chris G. (Swales Aerospace Hampton, VA, United States)
Jones, Thomas W. (NASA Langley Research Center Hampton, VA, United States)
Lunsford, Charles B. (NASA Langley Research Center Hampton, VA, United States)
Pappa, Richard S. (NASA Langley Research Center Hampton, VA, United States)
Date Acquired
September 8, 2013
Publication Date
January 1, 2005
Subject Category
Spacecraft Propulsion And Power
Report/Patent Number
AIAA Paper 2005-1889
Meeting Information
Meeting: 46th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference
Location: Austin, TX
Country: United States
Start Date: April 18, 2005
End Date: April 21, 2005
Sponsors: American Helicopter Society, Inc., American Inst. of Aeronautics and Astronautics, American Society of Mechanical Engineers, American Society of Civil Engineers, American Society for Composites
Funding Number(s)
OTHER: 23-800-92-65
Distribution Limits
Public
Copyright
Public Use Permitted.

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