Turbulent mixing and transition criteria of flows induced by hydrodynamic instabilities

Y Zhou, TT Clark, DS Clark, S Gail Glendinning… - Physics of …, 2019 - pubs.aip.org
In diverse areas of science and technology, including inertial confinement fusion (ICF),
astrophysics, geophysics, and engineering processes, turbulent mixing induced by …

Direct measurement of ice-ablator interface motion for instability mitigation in indirect drive ICF implosions

A Do, CR Weber, EL Dewald, DT Casey, DS Clark… - Physical Review Letters, 2022 - APS
In indirect drive inertial confinement fusion (ICF) implosions hydrodynamic instability growth
at the imploding capsule ablator-DT fuel interface can reduce fuel compressibility and inject …

Increased compression in HDC-based ablator implosions using modified drive profile

R Tommasini, DT Casey, D Clark, A Do, KL Baker… - Physical Review …, 2023 - APS
Compression is an essential component of achieving high gain in inertial confinement
fusion. However, increasing compression with crystalline ablator-based implosions had not …

[HTML][HTML] Robustness to hydrodynamic instabilities in indirectly driven layered capsule implosions

BM Haines, RE Olson, W Sweet, SA Yi, AB Zylstra… - Physics of …, 2019 - pubs.aip.org
We report on a high convergence ratio liquid layer capsule implosion performed on the
National Ignition Facility and contrast it to two previously reported layered implosions, in …

Coupling laser physics to radiation-hydrodynamics

BM Haines, DE Keller, JA Marozas, PW McKenty… - Computers & …, 2020 - Elsevier
In order to accurately model implosion hydrodynamics in a radiation-hydrodynamics code, it
is essential to include accurate accounting for energy deposition physics. In inertial …

[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] High spatial resolution and contrast radiography of hydrodynamic instabilities at the National Ignition Facility

A Do, AM Angulo, SR Nagel, GN Hall, DK Bradley… - Physics of …, 2022 - pubs.aip.org
We are developing techniques for studying the Rayleigh–Taylor (RT) and Richtmyer–
Meshkov (RM) instabilities in a planar geometry at high-energy-densities at the National …

[HTML][HTML] Studying the Richtmyer–Meshkov instability in convergent geometry under high energy density conditions using the Decel platform

DA Yager-Elorriaga, FW Doss, GA Shipley… - Physics of …, 2022 - pubs.aip.org
The “Decel” platform at Sandia National Laboratories investigates the Richtmyer–Meshkov
instability (RMI) in converging geometry under high energy density conditions [Knapp et al …

A method for examining ensemble averaging forms during the transition to turbulence in HED systems for application to RANS models

S Pellone, AM Rasmus, CA Di Stefano, EC Merritt… - Physics of …, 2024 - pubs.aip.org
This paper discusses a strategy to initialize a two-dimensional (2D) Reynolds-averaged
Navier–Stokes model [LANL's Besnard–Harlow–Rauenzahn (BHR) model] in order to …

[HTML][HTML] Multi-pulse time resolved gamma ray spectroscopy of the advanced radiographic capability using gas Cherenkov diagnostics

KD Meaney, S Kerr, GJ Williams… - Physics of …, 2021 - pubs.aip.org
The advanced radiographic capability located at the National Ignition Facility (NIF) uses high
intensity, short pulse lasers to create bright photon sources for diagnosing high energy …