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  • Accepted Manuscript: Comparisons Of Two- And Three-Dimensional Convection In Type I X-Ray Bursts

Title: Comparisons Of Two- And Three-Dimensional Convection In Type I X-Ray Bursts

We perform the first detailed three-dimensional simulation of low Mach number convection preceding runaway thermonuclear ignition in a mixed H/He X-ray burst. Our simulations include a moderate-sized, approximate network that captures hydrogen and helium burning up through rp-process breakout. We look at the difference between two- and three-dimensional convective fields, including the details of the turbulent convection.
Authors:
 [1] ;  [2] ;  [3] ;  [3] ;  [3]
+ Show Author Affiliations
  1. Stony Brook Univ., NY (United States)
  2. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
  3. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
Publication Date:
Report Number(s):
LA-UR-14-28135; LA-UR-15-23992
Journal ID: ISSN 1538-4357
Grant/Contract Number:
AC52-06NA25396; FG02- 06ER41448; FG02-87ER40317; AC02-05CH11231; AC05-00OR22725
Type:
Accepted Manuscript
Journal Name:
The Astrophysical Journal
Additional Journal Information:
Journal Volume: 807; Journal Issue: 1; Journal ID: ISSN 1538-4357
Publisher:
Institute of Physics (IOP)
Research Org:
Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Sponsoring Org:
USDOE Office of Science (SC), Nuclear Physics (NP) (SC-26); USDOE National Nuclear Security Administration (NNSA)
Country of Publication:
United States
Language:
English
Subject:
79 ASTRONOMY AND ASTROPHYSICS; convection; hydrodynamics; numerical methods; neutron stars; X-ray bursts; Astronomy and Astrophysics; methods: numerical; stars: neutron; X-rays: bursts
OSTI Identifier:
1239286
Alternate Identifier(s):
OSTI ID: 1329862
Citation Formats
Zingale, M., Malone, C. M., Nonaka, A., Almgren, A. S., and Bell, J. B.. Comparisons Of Two- And Three-Dimensional Convection In Type I X-Ray Bursts. United States: N. p., Web. doi:10.1088/0004-637X/807/1/60.
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Zingale, M., Malone, C. M., Nonaka, A., Almgren, A. S., & Bell, J. B.. Comparisons Of Two- And Three-Dimensional Convection In Type I X-Ray Bursts. United States. doi:10.1088/0004-637X/807/1/60.
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Zingale, M., Malone, C. M., Nonaka, A., Almgren, A. S., and Bell, J. B.. 2015. "Comparisons Of Two- And Three-Dimensional Convection In Type I X-Ray Bursts". United States. doi:10.1088/0004-637X/807/1/60. https://www.osti.gov/servlets/purl/1239286.
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@article{osti_1239286,
title = {Comparisons Of Two- And Three-Dimensional Convection In Type I X-Ray Bursts},
author = {Zingale, M. and Malone, C. M. and Nonaka, A. and Almgren, A. S. and Bell, J. B.},
abstractNote = {We perform the first detailed three-dimensional simulation of low Mach number convection preceding runaway thermonuclear ignition in a mixed H/He X-ray burst. Our simulations include a moderate-sized, approximate network that captures hydrogen and helium burning up through rp-process breakout. We look at the difference between two- and three-dimensional convective fields, including the details of the turbulent convection.},
doi = {10.1088/0004-637X/807/1/60},
journal = {The Astrophysical Journal},
number = 1,
volume = 807,
place = {United States},
year = {2015},
month = {7}
}
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