Zobrazeno 1 - 10
of 369
pro vyhledávání: '"Boozer, Allen H"'
Autor:
Boozer, Allen H
Plasma turbulence can enhance the diffusion of both magnetic fields and plasmas. But, any theory must be consistent with their evolution equations having the mathematical form of advection-diffusion equations. Advection-diffusion equations have a rem
Externí odkaz:
http://arxiv.org/abs/2408.00875
Autor:
Boozer, Allen H
A central issue in the design of tokamaks or stellarators is the coils that produce the external magnetic fields. The freedom that remains unstudied in the design of coils is enormous. This freedom could be quickly studied computationally at low cost
Externí odkaz:
http://arxiv.org/abs/2407.19123
Autor:
Boozer, Allen H
Tokamak disruptions are associated with breaking magnetic surfaces, which makes magnetic field lines chaotic in large regions of the plasma. The enforcement of quasi-neutrality in a region of chaotic field lines requires an electric potential that ha
Externí odkaz:
http://arxiv.org/abs/2404.09744
Autor:
Boozer, Allen H
Stellarator plasmas are externally controlled to a degree unparalleled by any other fusion concept, magnetic or inertial. This control is largely through the magnetic fields produced by external coils. The development of fusion energy could be expedi
Externí odkaz:
http://arxiv.org/abs/2402.18804
Autor:
Elder, Todd, Boozer, Allen H
A novel form of the current potential, a mathematical tool for the design of stellarators and stellarator coils, is developed. Specifically, these are current potentials with a finite-element-like basis, called \textit{current potential patches}. Cur
Externí odkaz:
http://arxiv.org/abs/2402.17634
Autor:
Boozer, Allen H
A stellarator design is described with the purpose of achieving three goals: (1) Enhance the confinement time of tritium. (2) Have a sufficient density of high-Z impurities to radiate the thermal power escaping from the core while having an extremely
Externí odkaz:
http://arxiv.org/abs/2402.08694
Autor:
Boozer, Allen H
Stellarator power plants require a plan for the removal of the particles and the heat that are exhausted across the plasma edge. Unless a flowing liquid metal can be used to carry the helium exhaust to places where it can be removed from the plasma c
Externí odkaz:
http://arxiv.org/abs/2306.09438
Autor:
Boozer, Allen H.
The mathematics and physics of each of the three aspects of magnetic field evolution -- topology, energy, and helicity -- is remarkably simple and clear. When the resistivity $\eta$ is small compared to an imposed evolution, $a/v$, timescale, which m
Externí odkaz:
http://arxiv.org/abs/2212.07487
Autor:
Boozer, Allen H
The traditional paradigm for magnetic field lines changing connections ignores magnetic field line chaos and requires an extremely large current density, $j_{max}\propto R_m$, flowing in thin sheets of thickness $1/R_m$, where $R_m$ is the magnetic R
Externí odkaz:
http://arxiv.org/abs/2210.02209
Autor:
Boozer, Allen H
Deuterium-tritium (DT) burning requires a long energy confinement times compared to collision times, so the particle distribution functions must approximate local-Maxwellians. Non-equilibrium thermodynamics is applicable, which gives relations among
Externí odkaz:
http://arxiv.org/abs/2208.02391