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Title: A semi-analytic model of gas-puff liner-on-target magneto-inertial fusion

Abstract

A semi-analytic model is presented for the gas-puff Staged Z-pinch, a magneto-inertial fusion concept in which an annular gas-puff liner implodes onto a deuterium or deuterium-tritium target. The one-dimensional model is a modification of the semi-analytic model for MagLIF (SAMM) [R. D. McBride and S. A. Slutz, Phys. Plasmas 22, 052708 (2015)], that addresses the different set of physics inherent to a Staged Z-pinch implosion: azimuthal magnetic field transport, shock heating of the fuel, separate ion and electron energy equations, and a simplified radiation model that approximates the liner transition from optically thin to optically thick. Following the explanation of the model, three sample problems are presented: first, a Staged Z-pinch implosion on the Zebra driver (1 MA, 100 ns) is modeled and compared with the HYDRA simulation results; second, the MagLIF point design is modeled and compared to the original simulation results [S. A. Slutz et al., Phys. Plasmas 17, 056303 (2010)] and results from SAMM; and third, we conduct a simple parameter scan and scaling study for a Staged Z-pinch implosion on the LTD-III driver (0.8 MA, 160 ns). Here, some agreement with HYDRA and SAMM is obtained, and deuterium-deuterium (DD) neutron yield scaling with current is consistentmore » with other existing models and HYDRA simulations.« less

Authors:
ORCiD logo [1];  [2];  [1]; ORCiD logo [1];  [3];  [1];  [1]
  1. Univ. of California, San Diego, La Jolla, CA (United States). Center for Energy Research
  2. Magneto-Inertial Fusion Technologies, Inc., Irvine, CA (United States)
  3. Univ. of Michigan, Ann Arbor, MI (United States). Dept. of Nuclear Engineering and Radiological Sciences
Publication Date:
Research Org.:
Univ. of California, San Diego, La Jolla, CA (United States)
Sponsoring Org.:
USDOE Advanced Research Projects Agency - Energy (ARPA-E); USDOE National Nuclear Security Administration (NNSA)
OSTI Identifier:
1574129
Alternate Identifier(s):
OSTI ID: 1502260
Grant/Contract Number:  
NA0003842; 00000569
Resource Type:
Accepted Manuscript
Journal Name:
Physics of Plasmas
Additional Journal Information:
Journal Volume: 26; Journal Issue: 3; 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

Narkis, J., Rahman, H. U., Valenzuela, J. C., Conti, F., McBride, R. D., Venosa, D., and Beg, F. N. A semi-analytic model of gas-puff liner-on-target magneto-inertial fusion. United States: N. p., 2019. Web. doi:10.1063/1.5086056.
Narkis, J., Rahman, H. U., Valenzuela, J. C., Conti, F., McBride, R. D., Venosa, D., & Beg, F. N. A semi-analytic model of gas-puff liner-on-target magneto-inertial fusion. United States. https://doi.org/10.1063/1.5086056
Narkis, J., Rahman, H. U., Valenzuela, J. C., Conti, F., McBride, R. D., Venosa, D., and Beg, F. N. Wed . "A semi-analytic model of gas-puff liner-on-target magneto-inertial fusion". United States. https://doi.org/10.1063/1.5086056. https://www.osti.gov/servlets/purl/1574129.
@article{osti_1574129,
title = {A semi-analytic model of gas-puff liner-on-target magneto-inertial fusion},
author = {Narkis, J. and Rahman, H. U. and Valenzuela, J. C. and Conti, F. and McBride, R. D. and Venosa, D. and Beg, F. N.},
abstractNote = {A semi-analytic model is presented for the gas-puff Staged Z-pinch, a magneto-inertial fusion concept in which an annular gas-puff liner implodes onto a deuterium or deuterium-tritium target. The one-dimensional model is a modification of the semi-analytic model for MagLIF (SAMM) [R. D. McBride and S. A. Slutz, Phys. Plasmas 22, 052708 (2015)], that addresses the different set of physics inherent to a Staged Z-pinch implosion: azimuthal magnetic field transport, shock heating of the fuel, separate ion and electron energy equations, and a simplified radiation model that approximates the liner transition from optically thin to optically thick. Following the explanation of the model, three sample problems are presented: first, a Staged Z-pinch implosion on the Zebra driver (1 MA, 100 ns) is modeled and compared with the HYDRA simulation results; second, the MagLIF point design is modeled and compared to the original simulation results [S. A. Slutz et al., Phys. Plasmas 17, 056303 (2010)] and results from SAMM; and third, we conduct a simple parameter scan and scaling study for a Staged Z-pinch implosion on the LTD-III driver (0.8 MA, 160 ns). Here, some agreement with HYDRA and SAMM is obtained, and deuterium-deuterium (DD) neutron yield scaling with current is consistent with other existing models and HYDRA simulations.},
doi = {10.1063/1.5086056},
journal = {Physics of Plasmas},
number = 3,
volume = 26,
place = {United States},
year = {Wed Mar 20 00:00:00 EDT 2019},
month = {Wed Mar 20 00:00:00 EDT 2019}
}

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Works referencing / citing this record:

Retrospective of the ARPA-E ALPHA Fusion Program
journal, October 2019


Retrospective of the ARPA-E ALPHA fusion program
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