In Situ Real-Time Radiographic Study of Thin Film Formation Inside Rotating Hollow Spheres
Abstract
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.
- Authors:
-
- Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
- Argonne National Lab. (ANL), Argonne, IL (United States)
- Publication Date:
- Research Org.:
- Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1258532
- Report Number(s):
- LLNL-JRNL-678108
Journal ID: ISSN 1944-8244
- Grant/Contract Number:
- AC52-07NA27344
- Resource Type:
- Accepted Manuscript
- Journal Name:
- ACS Applied Materials and Interfaces
- Additional Journal Information:
- Journal Volume: 8; Journal Issue: 4; Journal ID: ISSN 1944-8244
- Publisher:
- American Chemical Society
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; 36 MATERIALS SCIENCE; 77 NANOSCIENCE AND NANOTECHNOLOGY; 37 INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY; aerogel; coating; flows; hollow sphere; inertial confinement fusion (ICF); liquid films; sol-gel films; uniformity
Citation Formats
Braun, Tom, Walton, Christopher C., Dawedeit, Christoph, Biener, Monika M., Kim, Sung Ho, Willey, Trevor M., Xiao, Xianghui, van Buuren, Anthony, Hamza, Alex V., and Biener, Juergen. In Situ Real-Time Radiographic Study of Thin Film Formation Inside Rotating Hollow Spheres. United States: N. p., 2016.
Web. doi:10.1021/acsami.5b10357.
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. In Situ Real-Time Radiographic Study of Thin Film Formation Inside Rotating Hollow Spheres. United States. https://doi.org/10.1021/acsami.5b10357
Braun, Tom, Walton, Christopher C., Dawedeit, Christoph, Biener, Monika M., Kim, Sung Ho, Willey, Trevor M., Xiao, Xianghui, van Buuren, Anthony, Hamza, Alex V., and Biener, Juergen. Wed .
"In Situ Real-Time Radiographic Study of Thin Film Formation Inside Rotating Hollow Spheres". United States. https://doi.org/10.1021/acsami.5b10357. https://www.osti.gov/servlets/purl/1258532.
@article{osti_1258532,
title = {In Situ Real-Time Radiographic Study of Thin Film Formation Inside Rotating Hollow Spheres},
author = {Braun, Tom and Walton, Christopher C. and Dawedeit, Christoph and Biener, Monika M. and Kim, Sung Ho and Willey, Trevor M. and Xiao, Xianghui and van Buuren, Anthony and Hamza, Alex V. and Biener, Juergen},
abstractNote = {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.},
doi = {10.1021/acsami.5b10357},
journal = {ACS Applied Materials and Interfaces},
number = 4,
volume = 8,
place = {United States},
year = {Wed Feb 03 00:00:00 EST 2016},
month = {Wed Feb 03 00:00:00 EST 2016}
}
Web of Science
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