Low-order dynamical models for non-linear fluid behaviour in quasi two-dimensional plasmas. Two complex systems in which a magnetic field imposes two-dimensional fluid motions are turbulent fusion plasmas and magnetospheric plasmas. A distinctive property of 2D flows is the inverse energy cascade, whereby energy streaming into large-scale vortices, coherent structures, or sheared flows gives a remarkable propensity for self-organizing behaviour. This can be exploited to govern or guide our respo ....Low-order dynamical models for non-linear fluid behaviour in quasi two-dimensional plasmas. Two complex systems in which a magnetic field imposes two-dimensional fluid motions are turbulent fusion plasmas and magnetospheric plasmas. A distinctive property of 2D flows is the inverse energy cascade, whereby energy streaming into large-scale vortices, coherent structures, or sheared flows gives a remarkable propensity for self-organizing behaviour. This can be exploited to govern or guide our response to such systems. We propose to investigate the dynamics of momentum and energy exchange in these plasmas, using reduced dynamical models and bifurcation and stability mathematics. Expected outcomes are improved prediction of magnetospheric substorms and confinement of fusion plasmas.
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Fusion Energy and the Physics of Burning Plasmas. The world faces a global energy crisis. Our standard of living, which is largely powered by base-load electricity supply, is unsustainable. Fusion power is a near zero greenhouse gas technology, which promises millions of years of base-load electricity, free from weapon proliferation. This promise has galvanised the international community to accelerate fusion development by committing to the next-step technology-enabling $16 billion experiment, ....Fusion Energy and the Physics of Burning Plasmas. The world faces a global energy crisis. Our standard of living, which is largely powered by base-load electricity supply, is unsustainable. Fusion power is a near zero greenhouse gas technology, which promises millions of years of base-load electricity, free from weapon proliferation. This promise has galvanised the international community to accelerate fusion development by committing to the next-step technology-enabling $16 billion experiment, International Thermonuclear Experimental Reactor (ITER). In anticipation of ITER, this fellowship will foster growth of Australian fusion research, and address a grand science challenge facing ITER: how do we maintain burn in the face of potentially damaging plasma instabilities? The answer will affect both ITER and the viability of fusion power.Read moreRead less