Radio Frequency Attenuation by Rocket Plume From Ground Study to In-flight Prediction

Abstract : Radio frequency communication between the space launcher and the mission control are unusually disturbed by the exhaust plume present in rocket engines. This paper presents the computation of radio wave propagation through the exhaust plume. Thus, frequencydomain finite element method and time-domain discontinuous Galerkin method are implemented for computations in case of a ground domain experiments. Numerical results compared to those obtained from ground experiment show good approximation of the propagation through the plasma over a wide frequency band. For the launcher in flight, an asymptotic method is proposed and has the advantage to give a fast evaluation of the scattering solution. In this case, the exhaust plume area is considered as a perfectly conducting trapezium whose parameters are extracted from the distribution of the plasma permittivity. Results related to the asymptotic method appear to be in good agreement with results based on the full wave approaches.
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https://hal.archives-ouvertes.fr/hal-01658801
Contributor : Lionel Pichon <>
Submitted on : Thursday, December 7, 2017 - 6:33:07 PM
Last modification on : Thursday, March 21, 2019 - 1:03:27 PM

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  • HAL Id : hal-01658801, version 1

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Éva Dieudonné, Abelin Kameni, Lionel Pichon, David Monchaux. Radio Frequency Attenuation by Rocket Plume From Ground Study to In-flight Prediction. Applied Computational Electromagnetics Society Journal, Applied Computational Electromagnetics Society Inc, 2017, 32 (11), pp.1048-1055. ⟨hal-01658801⟩

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