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The Orbital Acceleration Research ExperimentThe hardware and software of NASA's proposed Orbital Acceleration Research Experiment (OARE) are described. The OARE is to provide aerodynamic acceleration measurements along the Orbiter's principal axis in the free-molecular flow-flight regime at orbital attitude and in the transition regime during reentry. Models considering the effects of electromagnetic effects, solar radiation pressure, orbiter mass attraction, gravity gradient, orbital centripetal acceleration, out-of-orbital-plane effects, orbiter angular velocity, structural noise, mass expulsion signal sources, crew motion, and bias on acceleration are examined. The experiment contains an electrostatically balanced cylindrical proofmass accelerometer sensor with three orthogonal sensing axis outputs. The components and functions of the experimental calibration system and signal processor and control subsystem are analyzed. The development of the OARE software is discussed. The experimental equipment will be enclosed in a cover assembly that will be mounted in the Orbiter close to the center of gravity.
Document ID
19860055861
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Blanchard, R. C.
(NASA Langley Research Center Hampton, VA, United States)
Hendrix, M. K.
(NASA Johnson Space Center Houston, TX, United States)
Fox, J. C.
(NASA Langley Research Center Hampton, VA, United States)
Thomas, D. J.
(KMS Fusion, Inc. Ann Arbor, MI, United States)
Nicholson, J.
(Vigyan Research Associates, Inc. Hampton, VA, United States)
Date Acquired
August 12, 2013
Publication Date
January 1, 1986
Subject Category
Spacecraft Instrumentation
Report/Patent Number
AIAA PAPER 86-1195
Accession Number
86A40599
Distribution Limits
Public
Copyright
Other

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