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Ion Temperature Effect on Bohm Criterion for Magnetized Plasma Sheath

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Abstract

A two-fluid model has been used to study the characteristics of the plasma sheath in the presence of an external magnetic field and by taking into account both the ion temperature and the ion-neutral collision force. The model is solved numerically and sheath characteristics are obtained. The dependence of the Bohm magnetized sheath criterion to ion temperature is examined. Then it is concluded that the ion temperature has significant effects on the sheath characteristics such as ion velocity, particles densities and electric potential.

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Acknowledgments

The authors would like to think Pr. El H. Tahri for helpful discussions. This work is supported by the National Center for Scientific and Technical Research (CNRST), under contract: URAC-07.

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Authors and Affiliations

  1. LPMR, Department of Physics, Faculty of Science, University Mohammed I, BP. 717, 60000, Oujda, Morocco

    Morad El Kaouini, Hassan Chatei & Ismael Driouch

  2. Department of Physics, Multidisciplinary Faculty, University Mohammed I, BP. 300, 62700, Nador, Morocco

    Mimoun El Hammouti

Authors
  1. Morad El Kaouini
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  2. Hassan Chatei
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  3. Ismael Driouch
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  4. Mimoun El Hammouti
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Correspondence to Morad El Kaouini.

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El Kaouini, M., Chatei, H., Driouch, I. et al. Ion Temperature Effect on Bohm Criterion for Magnetized Plasma Sheath. J Fusion Energ 30, 199–204 (2011). https://doi.org/10.1007/s10894-010-9358-z

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  • DOI: https://doi.org/10.1007/s10894-010-9358-z

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