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Please use this identifier to cite or link to this item: http://hdl.handle.net/123456789/327

Authors: Tadesse, Terefe
Advisors: Dr. Baylie Damtie
Copyright: 2007
Date Added: 6-Dec-2007
Publisher: Addis Ababa University
Abstract: This thesis deals with modeling of major ions outflow in the polar cap at altitudes higher than 400km. Different ion outflow models are numerical investigated and the pros and cons of these models are discussed. Observations are crucial for model validations. In this work we have used Akebono Satellite observations, which showed that between 5000 and 9000km altitudes H+ and 0+ can have higher outflow velocities in the day-side region that on the night-side [Abe and et al,1993a, 1993b]. classical polar wind model cannot explain fully these observations [Schunk and etal,1981, 1988]. In this thesis, in order to address the observation we discuss hydrodynamic model by considering driven shock wave. Most of observed properties are well explained by using this model.
Description: A thesis submitted to Addis Ababa University Faculty Of Science Department Of Physics by Tadesse Terefe In Partial Fulfillment of the Requirements for the Degree of MASTER OF SCIENCE IN PHYSICS
URI: http://hdl.handle.net/123456789/327
Appears in:Thesis - Physics

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