Analysis of Epstein Distribution Effect on the Plasma Reflectance

Ekdiha, Yasser; Mounirh, Khalid; Adraoui, Soufiane El; Khalladi, Mohsine; Yaich, M. Iben

doi:10.1007/978-981-13-1405-6_6

Cited by 1 publication

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“…The formulation proposed using ETD approach can exceed the passage through the convolution used in PLCDRC [9]. This new formulation allows the obtaining of current density update equations directly using multiplication of the medium constitutive equation by an exponential term, followed by an integration of the obtained equation over an interval whose width is equal to the time step.…”

Section: Formulations and Equationsmentioning

confidence: 99%

New TLM Formulation for Modeling Epstein Plasma

Ekdiha¹,

Mounirh²,

Khalladi³

et al. 2019

PIER Letters

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In plasma physics, the interaction with electromagnetic waves is related to the electrons contained in plasma. To analyze this interaction, the behaviour of electrons contained must be understood and modeled. In this paper, a new TLM formulation for dispersive media called the exponential time differencing (ETD) transmission line matrix (TLM) technique is introduced to model the interaction with dispersive media. To verify the high accuracy and efficiency of this method, the reflection and transmission coefficients of electromagnetic wave through a non-magnetized collisional plasma slab are computed and compared to the analytical solution. The electron density in plasma can be distributed as a Epstein formula, and its distribution as a function of the grads coefficient σ, and the effect of this parameter and the electron collision frequency υ c on the reflection coefficient is calculated. The results show that with different values of σ and υ c , the reflection coefficient is affected and can be reduced.

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Section: Formulations and Equationsmentioning

confidence: 99%