Case breach fault model and diagnostic for the solid rocket

Osipov, Viatcheslav V. and Luchinsky, Dmitry G. and Smelyanskiy, Vadim N. and Timucin, Dogan A. (2007) Case breach fault model and diagnostic for the solid rocket. In: Collection of Technical Papers - 43rd AIAA/ASME/SAE/ASEE Joint Propulsion Conference :. Collection of Technical Papers - 43rd AIAA/ASME/SAE/ASEE Joint Propulsion Conference . American Institute of Aeronautics and Astronautics, USA, pp. 8112-8125. ISBN 1563479036

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Abstract

A model of the case breach fault for solid rocket boosters (SRBs) that takes into account burning-through hole in propellant, insulator and metal layers of a rocket case is developed. Melting of the metal layer and an ablation of the insulator layer in the presence of hot gas flow through the hole are analyzed in detail. Dynamics of the lateral (side) thrust produced by the growing hole is calculated for typical parameters of the SRB. A problem of inference of the fault parameters from the measurements of the nominal values of stagnation pressure and thrust is formulated and solved in quasi-steady approximation. An application of the recently developed Bayesian framework for diagnostics and prognostics of the case breach fault that can cause loss of flight control is discussed.

Item Type:
Contribution in Book/Report/Proceedings
ID Code:
134262
Deposited By:
Deposited On:
22 Jun 2019 01:00
Refereed?:
Yes
Published?:
Published
Last Modified:
16 Jul 2024 04:35