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Publication Detail
Detailed uncertainty analysis for ares i ascent aerodynamics wind tunnel database
  • Publication Type:
    Journal article
  • Publication Sub Type:
    Conference Proceeding
  • Authors:
    Hemsch MJ, Hanke JL, Walker EL, Houlden HP
  • Publication date:
    01/12/2008
  • Journal:
    26th AIAA Aerodynamic Measurement Technology and Ground Testing Conference
  • Status:
    Published
Abstract
A detailed uncertainty analysis for the Ares I ascent aero 6-DOF wind tunnel database is described. While the database itself is determined using only the test results for the latest configuration, the data used for the uncertainty analysis comes from four tests on two different configurations at the Boeing Polysonic Wind Tunnel in St. Louis and the Unitary Plan Wind Tunnel at NASA Langley Research Center. Four major error sources are considered: (1) systematic errors from the balance calibration curve fits and model + balance installation, (2) run-to-run repeatability, (3) boundary-layer transition fixing, and (4) tunnel-to-tunnel reproducibility.
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