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Title: Tailored ramp-loading via shock release of stepped-density reservoirs

Abstract

The concept of a gradient piston drive has been extended from that of a single component reservoir, such as a high explosive, to that of a multi-component reservoir that utilizes low density foams and large shocks to achieve high pressures (~ 3.5 Mbar) and controlled pressure vs. time profiles on a driven sample. Simulated and experimental drives shaped through the use of multiple component (including carbonized resorcinol formaldehyde and SiO 2 foam) reservoirs are compared. Individual density layers in a multiple component reservoir are shown to correlate with velocity features in the measured drive which enables the ability to tune a pressure drive by adjusting the components of the reservoir. Pre-shot simulations are shown to be in rough agreement with data but post-shot simulations involving the use of simulated plasma drives were needed to achieve an exact match. Results from a multiple component reservoir shot (~3.5 Mbar) at the National Ignition Facility are shown.

Authors:
 [1];  [1];  [1];  [1];  [1];  [1];  [1];  [1];  [1];  [1];  [1];  [1];  [1];  [1];  [1];  [1];  [1];  [2];  [2];  [2]
  1. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
  2. General Atomics, San Diego, CA (United States)
Publication Date:
Research Org.:
Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Sponsoring Org.:
USDOE National Nuclear Security Administration (NNSA)
OSTI Identifier:
1458655
Report Number(s):
LLNL-JRNL-520653
Journal ID: ISSN 1070-664X; 545629; TRN: US1901490
Grant/Contract Number:  
AC52-07NA27344
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Physics of Plasmas
Additional Journal Information:
Journal Volume: 19; Journal Issue: 5; Journal ID: ISSN 1070-664X
Publisher:
American Institute of Physics (AIP)
Country of Publication:
United States
Language:
English
Subject:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY

Citation Formats

Prisbrey, Shon T., Park, Hye-Sook, Remington, Bruce A., Cavallo, Robert, May, Mark, Pollaine, Stephen M., Rudd, Robert, Maddox, Brian, Comley, Andrew, Fried, Larry, Blobaum, Kerri, Wallace, Russ, Wilson, Mike, Swift, David, Satcher, Joe, Kalantar, Dan, Perry, Ted, Giraldez, Emilio, Farrell, Michael, and Nikroo, Abbas. Tailored ramp-loading via shock release of stepped-density reservoirs. United States: N. p., 2012. Web. doi:10.1063/1.3699361.
Prisbrey, Shon T., Park, Hye-Sook, Remington, Bruce A., Cavallo, Robert, May, Mark, Pollaine, Stephen M., Rudd, Robert, Maddox, Brian, Comley, Andrew, Fried, Larry, Blobaum, Kerri, Wallace, Russ, Wilson, Mike, Swift, David, Satcher, Joe, Kalantar, Dan, Perry, Ted, Giraldez, Emilio, Farrell, Michael, & Nikroo, Abbas. Tailored ramp-loading via shock release of stepped-density reservoirs. United States. https://doi.org/10.1063/1.3699361
Prisbrey, Shon T., Park, Hye-Sook, Remington, Bruce A., Cavallo, Robert, May, Mark, Pollaine, Stephen M., Rudd, Robert, Maddox, Brian, Comley, Andrew, Fried, Larry, Blobaum, Kerri, Wallace, Russ, Wilson, Mike, Swift, David, Satcher, Joe, Kalantar, Dan, Perry, Ted, Giraldez, Emilio, Farrell, Michael, and Nikroo, Abbas. Tue . "Tailored ramp-loading via shock release of stepped-density reservoirs". United States. https://doi.org/10.1063/1.3699361. https://www.osti.gov/servlets/purl/1458655.
@article{osti_1458655,
title = {Tailored ramp-loading via shock release of stepped-density reservoirs},
author = {Prisbrey, Shon T. and Park, Hye-Sook and Remington, Bruce A. and Cavallo, Robert and May, Mark and Pollaine, Stephen M. and Rudd, Robert and Maddox, Brian and Comley, Andrew and Fried, Larry and Blobaum, Kerri and Wallace, Russ and Wilson, Mike and Swift, David and Satcher, Joe and Kalantar, Dan and Perry, Ted and Giraldez, Emilio and Farrell, Michael and Nikroo, Abbas},
abstractNote = {The concept of a gradient piston drive has been extended from that of a single component reservoir, such as a high explosive, to that of a multi-component reservoir that utilizes low density foams and large shocks to achieve high pressures (~ 3.5 Mbar) and controlled pressure vs. time profiles on a driven sample. Simulated and experimental drives shaped through the use of multiple component (including carbonized resorcinol formaldehyde and SiO2 foam) reservoirs are compared. Individual density layers in a multiple component reservoir are shown to correlate with velocity features in the measured drive which enables the ability to tune a pressure drive by adjusting the components of the reservoir. Pre-shot simulations are shown to be in rough agreement with data but post-shot simulations involving the use of simulated plasma drives were needed to achieve an exact match. Results from a multiple component reservoir shot (~3.5 Mbar) at the National Ignition Facility are shown.},
doi = {10.1063/1.3699361},
url = {https://www.osti.gov/biblio/1458655}, journal = {Physics of Plasmas},
issn = {1070-664X},
number = 5,
volume = 19,
place = {United States},
year = {2012},
month = {4}
}

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Cited by: 12 works
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Works referenced in this record:

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    Rayleigh–Taylor instabilities in high-energy density settings on the National Ignition Facility
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    Grain-Size-Independent Plastic Flow at Ultrahigh Pressures and Strain Rates
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