UV missile-plume signature model

Antoine Roblin; Pierre Emmanuel Baudoux; Patrick Chervet

doi:10.1117/12.478822

6 August 2002 UV missile-plume signature model

Antoine Roblin, Pierre Emmanuel Baudoux, Patrick Chervet

Proceedings Volume 4718, Targets and Backgrounds VIII: Characterization and Representation; (2002) https://doi.org/10.1117/12.478822
Event: AeroSense 2002, 2002, Orlando, FL, United States

Abstract

A new 3D radiative code is used to solve the radiative transfer equation in the UV spectral domain for a nonequilibrium and axisymmetric media such as a rocket plume composed of hot reactive gases and metallic oxide particles like alumina. Calculations take into account the dominant chemiluminescence radiation mechanism and multiple scattering effects produced by alumina particles. Plume radiative properties are studied by using a simple cylindrical media of finite length, deduced from different aerothermochemical real rocket plume afterburning zones. Assumed a log-normal size distribution of alumina particles, optical properties are calculated by using Mie theory. Due to large uncertainties of particles properties, systematic tests have been performed in order to evaluate the influence of the different input data (refractive index, particle mean geometric radius) upon the radiance field. These computations will help us to define the set of parameters which need to be known accurately in order to compare computations with radiance measurements obtained during field experiments.

Citation Download Citation

Antoine Roblin, Pierre Emmanuel Baudoux, and Patrick Chervet "UV missile-plume signature model", Proc. SPIE 4718, Targets and Backgrounds VIII: Characterization and Representation, (6 August 2002); https://doi.org/10.1117/12.478822

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