R. D. McBride
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View article: On high-energy-density field-reversed configurations for sub-microsecond magneto-inertial fusion
On high-energy-density field-reversed configurations for sub-microsecond magneto-inertial fusion Open
Results from theory, simulation, and experiment are presented that support the concept of sub-microsecond formation and compression of centimeter-scale field-reversed configurations (FRCs) for fusion yield. Such FRCs require 10–100+ T of a…
View article: Magnetized liner inertial fusion platform development to assess performance scaling with drive parameters
Magnetized liner inertial fusion platform development to assess performance scaling with drive parameters Open
Magnetized liner inertial fusion (MagLIF) experiments have demonstrated fusion-relevant ion temperatures up to 3.1 keV and thermonuclear production of up to 1.1 × 1013 deuterium–deuterium neutrons. This performance was enabled through plat…
View article: Quadrupolar density structures in driven magnetic reconnection experiments with a guide field
Quadrupolar density structures in driven magnetic reconnection experiments with a guide field Open
Magnetic reconnection is a ubiquitous process in plasma physics, driving rapid and energetic events such as coronal mass ejections. Reconnection between magnetic fields with arbitrary shear can be decomposed into an anti-parallel reconnect…
View article: Quadrupolar Density Structures in Driven Magnetic Reconnection Experiments with a Guide Field
Quadrupolar Density Structures in Driven Magnetic Reconnection Experiments with a Guide Field Open
Magnetic reconnection is a ubiquitous process in plasma physics, driving rapid and energetic events such as coronal mass ejections. Reconnection between magnetic fields with arbitrary shear can be decomposed into an anti-parallel, reconnec…
Transport coefficient sensitivities in a semi-analytic model for magnetized liner inertial fusion Open
Performance of magnetized liner inertial fusion (MagLIF) experiments is highly dependent on transport processes including magnetized heat flows and magnetic flux losses. Magnetohydrodynamic simulations used to model these experiments requi…
Optically multiplexed neutron time-of-flight technique for inertial confinement fusion Open
Neutron time-of-flight (nTOF) detectors are crucial in diagnosing the performance of inertial confinement fusion (ICF) experiments, which implode targets of deuterium–tritium fuel to achieve thermonuclear conditions. These detectors utiliz…
View article: Self-driven ion deflectometry measurements using MeV fusion-driven protons and accelerated deuterons in the deuterated hybrid x-pinch on the MAIZE LTD generator
Self-driven ion deflectometry measurements using MeV fusion-driven protons and accelerated deuterons in the deuterated hybrid x-pinch on the MAIZE LTD generator Open
We report on the results of point-projection ion deflectometry measurements from a mid-size university z-pinch experiment. A 1 MA 8 kJ LTD generator at the University of Michigan (called MAIZE) drove a hybrid x-pinch (HXP) with a deuterate…
View article: High-magnification Faraday rotation imaging and analysis of X-pinch implosion dynamics
High-magnification Faraday rotation imaging and analysis of X-pinch implosion dynamics Open
An X-pinch load driven by an intense current pulse (>100 kA in ∼100 ns) can result in the formation of a small radius, runaway compressional micro-pinch. A micro-pinch is characterized by a hot (>1 keV), current-driven (>100 kA), high-dens…
View article: Controlling morphology and improving reproducibility of magnetized liner inertial fusion experiments
Controlling morphology and improving reproducibility of magnetized liner inertial fusion experiments Open
X-ray imaging indicates magnetized liner inertial fusion (MagLIF) stagnation columns have a complicated quasi-helical structure with significant variations in x-ray brightness along the column. In this work, we describe MagLIF experiments …
Hall instability driven seeding of helical magneto-Rayleigh–Taylor instabilities in axially premagnetized thin-foil liner Z-pinch implosions Open
Helical magneto-Rayleigh–Taylor instability (MRTI) structures have been observed in z-pinch-driven liner implosion experiments with a pre-imposed axial magnetic field. We show that the formation of these helical structures can be described…
Beryllium Probe Neutron Diagnostic for a Gas-Puff Z-Pinch Neutron Source on a 1-MA, 100-ns Linear Transformer Driver. Open
maximum average velocities—using initial conditions inferred from experimental implosion trajectories predict coupling in excess of 10% of the stored energy. Additionally, the Ar and Ne implosions were comparably massed and thus achieved s…
Theory, simulation, and experiments on a magnetically insulated line oscillator (MILO) at 10 kA, 240 kV near Hull cutoff condition Open
The magnetically insulated line oscillator (MILO) is a high power microwave source that has received increased attention recently because it does not require an external magnetic field. Self-magnetic insulation typically requires operation…