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A QMU approach for characterizing the operability limits of air-breathing hypersonic vehicles

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  • Iaccarino, Gianluca
  • Pecnik, Rene
  • Glimm, James
  • Sharp, David

Abstract

The operability limits of a supersonic combustion engine for an air-breathing hypersonic vehicle are characterized using numerical simulations and an uncertainty quantification methodology. The time-dependent compressible flow equations with heat release are solved in a simplified configuration. Verification, calibration and validation are carried out to assess the ability of the model to reproduce the flow/thermal interactions that occur when the engine unstarts due to thermal choking. quantification of margins and uncertainty (QMU) is used to determine the safe operation region for a range of fuel flow rates and combustor geometries.

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  • Iaccarino, Gianluca & Pecnik, Rene & Glimm, James & Sharp, David, 2011. "A QMU approach for characterizing the operability limits of air-breathing hypersonic vehicles," Reliability Engineering and System Safety, Elsevier, vol. 96(9), pages 1150-1160.
    • Handle: RePEc:eee:reensy:v:96:y:2011:i:9:p:1150-1160
    DOI: 10.1016/j.ress.2010.06.030
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    Cited by:

    1. Helton, Jon C. & Brooks, Dusty M. & Sallaberry, Cédric J., 2020. "Property values associated with the failure of individual links in a system with multiple weak and strong links," Reliability Engineering and System Safety, Elsevier, vol. 195(C).
    2. Helton, Jon C. & Brooks, Dusty M. & Sallaberry, Cédric J., 2020. "Margins associated with loss of assured safety for systems with multiple weak links and strong links," Reliability Engineering and System Safety, Elsevier, vol. 195(C).

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