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Photogrammetric Measurements of CEV Airbag Landing Attenuation Systems
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Topic: Photogrammetric Measurements of CEV Airbag Landing Attenuation Systems (Read 1722 times)
rdale
Assistant to the Chief Meteorologist
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Lansing MI
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Photogrammetric Measurements of CEV Airbag Landing Attenuation Systems
«
on:
04/17/2008 03:49 pm »
High-speed photogrammetric measurements are being used to assess the impact dynamics of the Orion Crew Exploration Vehicle (CEV) for ground landing contingency upon return to earth. Test articles representative of the Orion capsule are dropped at the NASA Langley Landing and Impact Research (LandIR) Facility onto a sand/clay mixture representative of a dry lakebed from elevations as high as 62 feet (18.9 meters). Two different types of test articles have been evaluated: (1) half-scale metal shell models utilized to establish baseline impact dynamics and soil characterization, and (2) geometric full-scale drop models with shock-absorbing airbags which are being evaluated for their ability to cushion the impact of the Orion CEV with the earth s surface. This paper describes the application of the photogrammetric measurement technique and provides drop model trajectory and impact data that indicate the performance of the photogrammetric measurement system.
http://hdl.handle.net/2060/20080008867
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Photogrammetric Measurements of CEV Airbag Landing Attenuation Systems
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