Instability seeding mechanisms due to internal defects in inertial confinement fusion targets

SC Miller, VN Goncharov - Physics of Plasmas, 2022 - pubs.aip.org
Performance degradation in laser-driven inertial confinement fusion (ICF) implosions is
caused by several effects, one of which is Rayleigh–Taylor instability growth. Defects in ICF …

[HTML][HTML] The dynamics, mixing, and thermonuclear burn of compressed foams with varied gas fills

BM Haines, TJ Murphy, RE Olson, Y Kim… - Physics of …, 2023 - pubs.aip.org
Inertial confinement fusion (ICF) implosions involve highly coupled physics and complex
hydrodynamics that are challenging to model computationally. Due to the sensitivity of such …

[HTML][HTML] The rate of development of atomic mixing and temperature equilibration in inertial confinement fusion implosions

BM Haines, RC Shah, JM Smidt, BJ Albright… - Physics of …, 2020 - pubs.aip.org
The MARBLE project is a novel inertial confinement fusion platform for studying the
development of atomic mixing and temperature equilibration in inertial confinement fusion …

[HTML][HTML] Experimental quantification of the impact of heterogeneous mix on thermonuclear burn

BJ Albright, TJ Murphy, BM Haines, MR Douglas… - Physics of …, 2022 - pubs.aip.org
In inertial confinement fusion, deuterium–tritium (DT) fuel is brought to densities and
temperatures where fusion ignition occurs. However, mixing of the ablator material into the …

[HTML][HTML] Development of the Marble experimental platform at the National Ignition Facility

RE Olson, TJ Murphy, BM Haines, MR Douglas… - Physics of …, 2020 - pubs.aip.org
The Marble experimental platform at the National Ignition Facility (NIF) was developed to
quantify the influence of heterogeneous mix on fusion burn. The platform utilizes a plastic …

[HTML][HTML] Shock-driven dispersal of a corrugated finite-thickness particle layer

F Ouellet, B Rollin, B Durant, RB Koneru… - Physics of …, 2022 - pubs.aip.org
A research area emerging in the multiphase flow community is the study of shock-driven
multiphase instability (SDMI), a gas–particle analog of the traditional fluid-fluid Richtmyer …

Evaluation of the relative importance of preheat from hohlraum x rays and a radiative shock on a low-density foam

Y Kim, C Di Stefano, PM Kozlowski, TJ Murphy… - Physics of …, 2023 - pubs.aip.org
Indirectly driven shock-tube experiments were performed on the Omega Laser Facility to
evaluate the relative importance of hohlraum x ray and radiative shock preheat sources on a …

Thermorelaxing multicomponent flows investigated with a Baer-Nunziato-type model

C Zhang, L Wang - Physical Review E, 2023 - APS
In inertial confinement fusion (ICF) implosions, mixing the ablator into the fuel and the hot
spot is one of the most adverse factors that lead to ignition degradation. Recent experiments …

Transport in non-ideal, multi-species plasmas

LG Stanton, SD Bergeson, MS Murillo - Physics of Plasmas, 2021 - pubs.aip.org
Charged particle transport plays a critical role in the evolution of high energy-density
plasmas. As high-fidelity plasma models continue to incorporate new micro-physics …

Predictive scale-bridging simulations through active learning

S Karra, M Mehana, N Lubbers, Y Chen, A Diaw… - Scientific Reports, 2023 - nature.com
Throughout computational science, there is a growing need to utilize the continual
improvements in raw computational horsepower to achieve greater physical fidelity through …