Ablation of fusion materials exposed to high heat flux in an electrothermal plasma discharge as a simulation for hard disruption

JR Echols, AL Winfrey - Journal of Fusion Energy, 2014 - Springer
Electrothermal plasma sources operating in the confined controlled arc discharge regime
produce heat fluxes in the range expected for hard disruptions in future large tokamaks. The …

Optimization of fusion pellet launch velocity in an electrothermal mass accelerator

TE Gebhart, RT Holladay, MJ Esmond… - Journal of Fusion …, 2014 - Springer
Electrothermal mass accelerators, based on capillary discharges, that form a plasma
propelling force from the ablation of a low-z liner material are candidates for fuelling …

Transient heat thermal load characteristics produced by a three-electrode capillary discharge generator

W Yang, S Jiang, L Chen, X Li, K Gu, Y He, W Li - Physics of Plasmas, 2021 - pubs.aip.org
The behavior of the transient heat flux produced by a three-electrode capillary discharge
generator working at a repetitive mode is presented in this paper. The radial distribution …

Characterization of short intense pulsed electrothermal plasma capillaries for use as fusion and launchers heat flux sources

MA Abd Al-Halim, MA Bourham - Journal of Fusion Energy, 2014 - Springer
Electrothermal plasma sources operating in the confined capillary arc regime are
characterized by the magnitude and shape of the discharge current. The desired plasma …

Hyper jet focused-injection tapered capillary plasma source concept

AL Winfrey, S Mittal… - IEEE Transactions on …, 2015 - ieeexplore.ieee.org
The concept of tapered capillary is introduced as a method of injecting focused plasma jet
into the breach of bulk-loaded electrothermal-chemical (ETC) launcher. Tapered capillaries …

Flow characteristics and charge exchange effects in a two-dimensional model of electrothermal plasma discharges

MJ Esmond, AL Winfrey - Journal of Fusion Energy, 2016 - Springer
Electrothermal (ET) plasma discharges are capillary discharges that ablate liner materials
and form partially ionized plasma. ET plasma discharges are generated by driving current …

Effects of wire materials on radiative heat flux and spectral characteristics of a capillary discharge plasma jet

W Yang, Y Hang, H Fan, L Chen, X Li… - Journal of Physics D …, 2019 - iopscience.iop.org
Capillary discharge plasmas have been widely used in many fields. This paper investigates
the influence of different explosion wire materials on the radiative heat flux and spectral …

Investigation of geometry and current density effects in a pulsed electrothermal plasma source using a 2-D simulation model

MJ Esmond, AL Winfrey - IEEE Transactions on Plasma …, 2016 - ieeexplore.ieee.org
Electrothermal (ET) plasma discharges have application to mass acceleration technologies
relevant to military ballistics and magnetic confinement fusion reactor operation. ET plasma …

Generalized scaling laws of plasma parameters in electrothermal plasma sources for fusion disruption erosion and hypervelocity launch applications

PPV Gonzalez, J Gilligan, L Winfrey… - IEEE Transactions on …, 2015 - ieeexplore.ieee.org
Generalized operational scaling laws have been developed for the peak plasma parameters
at the exit of an electrothermal plasma capillary discharge. These parameters are the total …

Two-dimensional, three-fluid modeling of capillary plasma discharges in electrothermal mass accelerators

MJ Esmond, AL Winfrey - Journal of Physics D: Applied Physics, 2016 - iopscience.iop.org
Electrothermal (ET) plasma launchers have a wide array of applications as mass
acceleration devices. An ET plasma launcher utilizes an ET plasma discharge to accelerate …