In Situ Real-Time Radiographic Study of Thin Film Formation Inside Rotating Hollow Spheres

Braun, Tom; Walton, Christopher C.; Dawedeit, Christoph; Biener, Monika M.; Kim, Sung Ho; Willey, Trevor M.; Xiao, Xianghui; van Buuren, Anthony; Hamza, Alex V.; Biener, Juergen

doi:10.1021/acsami.5b10357

Title: In Situ Real-Time Radiographic Study of Thin Film Formation Inside Rotating Hollow Spheres

Journal Article · Wed Feb 03 00:00:00 EST 2016 · ACS Applied Materials and Interfaces

DOI:https://doi.org/10.1021/acsami.5b10357· OSTI ID:1258532

Braun, Tom ^[1]; Walton, Christopher C. ^[1]; Dawedeit, Christoph ^[1]; Biener, Monika M. ^[1]; Kim, Sung Ho ^[1]; Willey, Trevor M. ^[1]; Xiao, Xianghui ^[2]; van Buuren, Anthony ^[1]; Hamza, Alex V. ^[1]; Biener, Juergen ^[1]

Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Argonne National Lab. (ANL), Argonne, IL (United States)

The hollow spheres with uniform coatings on the inner surface have applications in optical devices, time- or site-controlled drug release, heat storage devices, and target fabrication for inertial confinement fusion experiments. The fabrication of uniform coatings, which is often critical for the application performance, requires precise understanding and control over the coating process and its parameters. We report on in situ real-time radiography experiments that provide critical spatiotemporal information about the distribution of fluids inside hollow spheres during uniaxial rotation. Furthermore, image analysis and computer fluid dynamics simulations were used to explore the effect of liquid viscosity and rotational velocity on the film uniformity. The data were then used to demonstrate the fabrication of uniform sol–gel chemistry derived porous polymer films inside 2 mm inner diameter diamond shells.

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Research Organization:: Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)

Sponsoring Organization:: USDOE

Grant/Contract Number:: AC52-07NA27344

OSTI ID:: 1258532

Report Number(s):: LLNL-JRNL-678108

Journal Information:: ACS Applied Materials and Interfaces, Vol. 8, Issue 4; ISSN 1944-8244

Publisher:: American Chemical SocietyCopyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 9 works

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Variable convergence liquid layer implosions on the National Ignition Facility Zylstra, A. B.; Yi, S. A.; Haines, B. M. Physics of Plasmas, Vol. 25, Issue 5 https://doi.org/10.1063/1.5016349	journal	May 2018
Instability growth seeded by DT density perturbations in ICF capsules Peterson, J. R.; Johnson, B. M.; Haan, S. W. Physics of Plasmas, Vol. 25, Issue 9 https://doi.org/10.1063/1.5040525	journal	September 2018

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