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pro vyhledávání: '"Shanahan, Brendan"'
Isothermal fluid turbulence simulations have been performed in the edge and scrape-off-layer (SOL) of an analytic stellarator configuration with an island divertor, thereby providing numerical insight into edge turbulence in regions around islands in
Externí odkaz:
http://arxiv.org/abs/2403.18220
Autor:
SHANAHAN, BRENDAN A.1 brendan.shanahan@yale.edu
Publikováno v:
Catholic Historical Review. Winter2024, Vol. 110 Issue 1, p47-71. 25p.
Wendelstein 7-X core fueling is primarily achieved through pellet injection. The trajectory of plasmoids from an ablating pellet is an ongoing research question, which is complicated by the complex magnetic geometry of W7-X; curvature drive varies si
Externí odkaz:
http://arxiv.org/abs/1810.04584
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Autor:
Shanahan, Brendan
One of the major challenges to viable fusion energy is the exhaust of hot plasma, as future magnetic fusion devices will have unacceptably high heat fluxes on the plasma facing components. Recent research into advanced divertor designs and alternativ
Externí odkaz:
http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.696086
Fluid simulation of stellarator edge transport is difficult due to the complexities of mesh generation; the stochastic edge and strong nonaxisymmetry inhibit the use of field aligned coordinate systems. The recent implementation of the Flux Coordinat
Externí odkaz:
http://arxiv.org/abs/1609.06603
We present a technique for handling Dirichlet boundary conditions with the Flux Coordinate Independent (FCI) parallel derivative operator with arbitrary-shaped material geometry in general 3D magnetic fields. The FCI method constructs a finite differ
Externí odkaz:
http://arxiv.org/abs/1608.02416
Autor:
Shanahan, Brendan, Dudson, Ben
Three dimensional blob dynamics are simulated in X-point magnetic configurations in the TORPEX device via a non-field-aligned coordinate system, using an isothermal model which evolves density, vorticity, parallel velocity and parallel current densit
Externí odkaz:
http://arxiv.org/abs/1605.00963
Publikováno v:
Computer Physics Communications, Volume 212, 2017, Pages 59-68
Tokamak plasmas are confined by a magnetic field that limits the particle and heat transport perpendicular to the field. Parallel to the field the ionised particles can move freely, so to obtain confinement the field lines are "closed" (ie. form clos
Externí odkaz:
http://arxiv.org/abs/1604.05876