Demonstration of scale-invariant Rayleigh-Taylor instability growth in laser-driven cylindrical implosion experiments

JP Sauppe, S Palaniyappan, BJ Tobias, JL Kline… - Physical Review Letters, 2020 - APS
Rayleigh-Taylor instability growth is shown to be hydrodynamically scale invariant in
convergent cylindrical implosions for targets that varied in radial dimension and implosion …

[HTML][HTML] The development of a high-resolution Eulerian radiation-hydrodynamics simulation capability for laser-driven Hohlraums

BM Haines, DE Keller, KP Long, MD McKay… - Physics of …, 2022 - pubs.aip.org
Hohlraums are hollow cylindrical cavities with high-Z material walls used to convert laser
energy into uniform x-ray radiation drives for inertial confinement fusion capsule implosions …

On Richtmyer–Meshkov finger collisions in a light fluid layer under reshock conditions

X Guo, Z Cong, T Si, X Luo - Journal of Fluid Mechanics, 2024 - cambridge.org
The fingers known as bubbles (spikes) resulting from the penetration of light (heavy) fluids
into heavy (light) fluids are significant large-scale features of Richtmyer–Meshkov instability …

On shock-induced light-fluid-layer evolution

Y Liang, X Luo - Journal of Fluid Mechanics, 2022 - cambridge.org
Shock-induced light-fluid-layer evolution is firstly investigated experimentally and
theoretically. Specifically, three quasi-one-dimensional helium gas layers with different layer …

[HTML][HTML] Measurements of fusion reaction history in inertially confined burning plasmas

Y Kim, KD Meaney, H Geppert-Kleinrath… - Physics of …, 2023 - pubs.aip.org
Direct evidence of inertially confined fusion ignition appears in the abrupt temperature
increase and consequent rapid increase in the thermonuclear burn rate as seen in the …

Convergent Richtmyer–Meshkov instability of heavy gas layer with perturbed inner surface

R Sun, J Ding, Z Zhai, T Si, X Luo - Journal of Fluid Mechanics, 2020 - cambridge.org
The convergent Richtmyer–Meshkov instability (RMI) of an layer with a uniform outer surface
and a sinusoidal inner surface surrounded by air (generated by a novel soap film technique) …

[HTML][HTML] Experimental study of energy transfer in double shell implosions

EC Merritt, JP Sauppe, EN Loomis, T Cardenas… - Physics of …, 2019 - pubs.aip.org
Advances in target fabrication have made double shell capsule implosions a viable platform
to study burning fusion plasmas. Central to the double shell capsule is a high-Z (eg, Au) …

Constraining computational modeling of indirect drive double shell capsule implosions using experiments

BM Haines, JP Sauppe, PA Keiter, EN Loomis… - Physics of …, 2021 - pubs.aip.org
Double shell capsule implosions are an alternative approach to achieving alpha heating on
the National Ignition Facility. Current machining techniques construct the outer shell as two …

[HTML][HTML] Numerical performance assessment of double-shell targets for Z-pinch dynamic hohlraum

YY Chu, Z Wang, JM Qi, ZP Xu, ZH Li - Matter and Radiation at …, 2022 - pubs.aip.org
A Z-pinch dynamic hohlraum can create the high-temperature radiation field required by
indirect-drive inertial confinement fusion. A dynamic hohlraum with peak radiation …

Shock-induced dual-layer evolution

Y Liang, X Luo - Journal of Fluid Mechanics, 2021 - cambridge.org
Shock-induced fluid-layer evolution has attracted much attention but remains a challenge
mainly because the coupling between layers remains unknown. Linear solutions are first …