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Title: Comparison of ablators for the polar direct drive exploding pusher platform

Abstract

We examine the performance of pure boron, boron carbide, high density carbon, and boron nitride ablators in the polar direct drive exploding pusher (PDXP) platform. The platform uses the polar direct drive conguration at the National Ignition Facility to drive high ion temperatures in a room temperature capsule and has potential applications for plasma physics studies and as a neutron source. The higher tensile strength of these materials compared to plastic enables a thinner ablator to support higher gas pressures, which could help optimize its performance for plasma physics experiments, while ablators containing boron enable the possiblity of collecting addtional data to constrain models of the platform. Applying recently developed and experimentally validated equation of state models for the boron materials, we examine the performance of these materials as ablators in 2D simulations, with particular focus on changes to the ablator and gas areal density, as well as the predicted symmetry of the inherently 2D implosion.

Authors:
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Publication Date:
DOE Contract Number:  
NA0003856; AC52-07NA27344
Research Org.:
Univ. of Rochester, NY (United States); Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Sponsoring Org.:
USDOE National Nuclear Security Administration (NNSA)
Subject:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY
OSTI Identifier:
1887777
DOI:
https://doi.org/10.7910/DVN/33GJUL

Citation Formats

Whitley, Heather D., Kemp, G. Elijah, Yeamans, Charles, Walters, Zachary, Blue, Brent E., Garbett, Warren, Schneider, Marilyn, Craxton, R. Stephen, Garcia, Emma M., McKenty, Patrick W., Gatu-Johnson, Maria, Caspersen, Kyle, Castor, John I., Däne, Markus, Ellison, C. Leland, Gaffney, James, Graziani, Frank R., Klepeis, John, Kostinski, Natalie, Kritcher, Andrea, Lahmann, Brandon, Lazicki, Amy E., Le, Hai P., London, Richard A., Maddox, Brian, Marshall, Michelle, Martin, Madison E., Militzer, Burkhard, Nikroo, Abbas, Nilsen, Joseph, Ogitsu, Tadashi, Pask, John, Pino, Jesse E., Rubery, Michael, Shepherd, Ronnie, Sterne, Philip A., Swift, Damian C., Yang, Lin, and Zhang, Shuai. Comparison of ablators for the polar direct drive exploding pusher platform. United States: N. p., 2022. Web. doi:10.7910/DVN/33GJUL.
Whitley, Heather D., Kemp, G. Elijah, Yeamans, Charles, Walters, Zachary, Blue, Brent E., Garbett, Warren, Schneider, Marilyn, Craxton, R. Stephen, Garcia, Emma M., McKenty, Patrick W., Gatu-Johnson, Maria, Caspersen, Kyle, Castor, John I., Däne, Markus, Ellison, C. Leland, Gaffney, James, Graziani, Frank R., Klepeis, John, Kostinski, Natalie, Kritcher, Andrea, Lahmann, Brandon, Lazicki, Amy E., Le, Hai P., London, Richard A., Maddox, Brian, Marshall, Michelle, Martin, Madison E., Militzer, Burkhard, Nikroo, Abbas, Nilsen, Joseph, Ogitsu, Tadashi, Pask, John, Pino, Jesse E., Rubery, Michael, Shepherd, Ronnie, Sterne, Philip A., Swift, Damian C., Yang, Lin, & Zhang, Shuai. Comparison of ablators for the polar direct drive exploding pusher platform. United States. doi:https://doi.org/10.7910/DVN/33GJUL
Whitley, Heather D., Kemp, G. Elijah, Yeamans, Charles, Walters, Zachary, Blue, Brent E., Garbett, Warren, Schneider, Marilyn, Craxton, R. Stephen, Garcia, Emma M., McKenty, Patrick W., Gatu-Johnson, Maria, Caspersen, Kyle, Castor, John I., Däne, Markus, Ellison, C. Leland, Gaffney, James, Graziani, Frank R., Klepeis, John, Kostinski, Natalie, Kritcher, Andrea, Lahmann, Brandon, Lazicki, Amy E., Le, Hai P., London, Richard A., Maddox, Brian, Marshall, Michelle, Martin, Madison E., Militzer, Burkhard, Nikroo, Abbas, Nilsen, Joseph, Ogitsu, Tadashi, Pask, John, Pino, Jesse E., Rubery, Michael, Shepherd, Ronnie, Sterne, Philip A., Swift, Damian C., Yang, Lin, and Zhang, Shuai. 2022. "Comparison of ablators for the polar direct drive exploding pusher platform". United States. doi:https://doi.org/10.7910/DVN/33GJUL. https://www.osti.gov/servlets/purl/1887777. Pub date:Tue Feb 15 00:00:00 EST 2022
@article{osti_1887777,
title = {Comparison of ablators for the polar direct drive exploding pusher platform},
author = {Whitley, Heather D. and Kemp, G. Elijah and Yeamans, Charles and Walters, Zachary and Blue, Brent E. and Garbett, Warren and Schneider, Marilyn and Craxton, R. Stephen and Garcia, Emma M. and McKenty, Patrick W. and Gatu-Johnson, Maria and Caspersen, Kyle and Castor, John I. and Däne, Markus and Ellison, C. Leland and Gaffney, James and Graziani, Frank R. and Klepeis, John and Kostinski, Natalie and Kritcher, Andrea and Lahmann, Brandon and Lazicki, Amy E. and Le, Hai P. and London, Richard A. and Maddox, Brian and Marshall, Michelle and Martin, Madison E. and Militzer, Burkhard and Nikroo, Abbas and Nilsen, Joseph and Ogitsu, Tadashi and Pask, John and Pino, Jesse E. and Rubery, Michael and Shepherd, Ronnie and Sterne, Philip A. and Swift, Damian C. and Yang, Lin and Zhang, Shuai},
abstractNote = {We examine the performance of pure boron, boron carbide, high density carbon, and boron nitride ablators in the polar direct drive exploding pusher (PDXP) platform. The platform uses the polar direct drive conguration at the National Ignition Facility to drive high ion temperatures in a room temperature capsule and has potential applications for plasma physics studies and as a neutron source. The higher tensile strength of these materials compared to plastic enables a thinner ablator to support higher gas pressures, which could help optimize its performance for plasma physics experiments, while ablators containing boron enable the possiblity of collecting addtional data to constrain models of the platform. Applying recently developed and experimentally validated equation of state models for the boron materials, we examine the performance of these materials as ablators in 2D simulations, with particular focus on changes to the ablator and gas areal density, as well as the predicted symmetry of the inherently 2D implosion.},
doi = {10.7910/DVN/33GJUL},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2022},
month = {2}
}

Works referencing / citing this record:

Comparison of ablators for the polar direct drive exploding pusher platform
journal, March 2021