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      • University of Waikato Theses
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      Transport of turbulence in the solar wind

      Bishop, Mark
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      https://hdl.handle.net/10289/14855
      Abstract
      Charged particles are ejected from the sun and transported radially outward to the edge of the solar system, this plasma is called the solar wind. In the solar wind, turbulent fluctuations and waves form, and their transport can be modelled using the Magnetohydrodynamic (MHD) equations. This thesis displays several different options for building an MHD turbulence model including nonlinear phenomenologies, and turbulence source driving like interstellar pickup ions and velocity shear. The options are extended from existing models that express a range of variables from the forward and backward propagating energies, the energy difference and the respective correlation lengths. Non-linear phenomenologies are built from analogies to Hydrodynamic (HD) von Kármán-Taylor phenomenologies extended to MHD. Additional phenomenological models are needed for the energy difference (and its correlation length). These models are evaluated from 0.29 to 100 AU, analytically where possible, otherwise numerical solutions are sought after and compared to simulation data, and satellite data obtained from the Helios 2, Ulysses and Voyager 2 spacecraft.
      Date
      2022
      Type
      Thesis
      Degree Name
      Master of Science (MSc)
      Supervisors
      Oughton, Sean
      Publisher
      The University of Waikato
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      All items in Research Commons are provided for private study and research purposes and are protected by copyright with all rights reserved unless otherwise indicated.
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      • Masters Degree Theses [2409]
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