Electron gas parameters change inside langmuir layer in electric propulsion devices

Authors

  • Shahram Roshanpur Zhukovskiy National Aerospace University “Kharkiv Aviation Institute”, Chkalova str., 17, Kharkiv, Ukraine, 61070, Ukraine

DOI:

https://doi.org/10.15587/1729-4061.2013.16675

Keywords:

electric propulsion thrusters, potential barrier, Landau integral, boundary conditions

Abstract

Small size of electric propulsion thrusters comparatively with free path lengths of all the processes leads to the situation when electrons non-mirror reflection from near-the-surface potential barrier plays more role in electrons gas parameters change than collisions in the volume. The mathematic model of electrons non-mirror reflection from potential barrier on plasma border with surface or surrounding vacuum is represented. The expression is written for electrons velocity distribution in reflected flow in the form, which is analog to Landau collision integral. The boundary conditions for electrons are written, which must be used in mathematic modeling of processes in electric propulsion thrusters

Author Biography

Shahram Roshanpur, Zhukovskiy National Aerospace University “Kharkiv Aviation Institute”, Chkalova str., 17, Kharkiv, Ukraine, 61070

Post graduate student Department of rocket and space engines and power systems of flying vehicles

References

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Published

2013-07-30

How to Cite

Roshanpur, S. (2013). Electron gas parameters change inside langmuir layer in electric propulsion devices. Eastern-European Journal of Enterprise Technologies, 4(5(64), 36–39. https://doi.org/10.15587/1729-4061.2013.16675

Issue

Vol. 4 No. 5(64) (2013): Applied physics

Section

Applied physics

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Copyright (c) 2014 Shahram Roshanpur

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