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  • 1
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    A Simple Sensor Model for THUNDER Actuators (2009)
    In:  CASI
    Details
    Publication Date: 2019-07-12
    Description: A quasi-static (low frequency) model is developed for THUNDER actuators configured as displacement sensors based on a simple Raleigh-Ritz technique. This model is used to calculate charge as a function of displacement. Using this and the calculated capacitance, voltage vs. displacement and voltage vs. electrical load curves are generated and compared with measurements. It is shown this model gives acceptable results and is useful for determining rough estimates of sensor output for various loads, laminate configurations and thicknesses.
    Keywords: Electronics and Electrical Engineering
    Type: LF99-7603
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 2
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    Calibration and Flight Results for the Ares I-X 5-Hole Probe (2011)
    In:  CASI
    Details
    Publication Date: 2019-07-12
    Description: Flight and calibration results are presented for the Ares I-X 5-hole probe. The probe is calibrated by using a combination of wind tunnel, CFD, and other numerical modeling techniques. This is then applied to the probe flight data and comparisons are made between the vanes and 5-hole probe. Using this and other data it is shown the probe was corrupted by water rendering that measurement unreliable.
    Keywords: Spacecraft Instrumentation and Astrionics
    Type: NF1676L-10448
    Format: application/pdf
    Location Call Number Expected Availability
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    NASA TECHNICAL REPORTS
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