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  • Magma dynamics and evolution in continental arcs : insights from the Central Andes

    Creator:
    Grocke, Stephanie B.
    Abstract:
    Constraining the magma evolution and dynamics that lead to the eruption of large volume continental arc systems is fundamental to our understanding of continental crust formation. An investigation into the magmagenesis that results in the formation of the Central Volcanic Zone (CVZ) in the Andes of South America, situated atop...
    Resource Type:
    Dissertation
    Full Text:
    Paul Wallace and Adam Kent, have provided advice and support that have improved my analytical

  • Investigation and mitigation of the adverse effects of PWM adjustable speed drives

    Creator:
    Zhang, Haoran
    Abstract:
    With the introduction of high speed semiconductor power devices and the increased application of adjustable speed drives (ASDs) for efficient speed control of ac motors, there has been a growing number of costly motor-drive related process failures. It has been found that the high dv/dt and high switching frequency have...
    Resource Type:
    Dissertation
    Full Text:
    the members of my graduate committee: Doctor Alan Wallace, Doctor David J. Allstot, Doctor Rene Spee