Natural hot-ion modes in a rotating plasma
Abstract
We report that in steady state, the fuel cycle of a fusion plasma requires inward particle fluxes of fuel ions. These particle flows are also accompanied by heating. In the case of classical transport in a rotating cylindrical plasma, this heating can proceed through several distinct channels depending on the physical mechanisms involved. Some channels directly heat the fuel ions themselves, whereas others heat electrons. Which channel dominates depends, in general, on the details of the temperature, density and rotation profiles of the plasma constituents. However, remarkably, under relatively few assumptions concerning these profiles, if the α particles, the by-products of the fusion reaction, can be removed directly by other means, then a hot-ion mode tends to emerge naturally.
- Publication Date:
- Research Org.:
- Cornell Univ., Ithaca, NY (United States); Princeton Univ., NJ (United States)
- Sponsoring Org.:
- USDOE National Nuclear Security Administration (NNSA); National Science Foundation (NSF)
- OSTI Identifier:
- 1850363
- Grant/Contract Number:
- NA0003764; PHY-1805316
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Physical Review. E
- Additional Journal Information:
- Journal Volume: 104; Journal Issue: 1; Journal ID: ISSN 2470-0045
- Publisher:
- American Physical Society (APS)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 70 PLASMA PHYSICS AND FUSION TECHNOLOGY; plasma fusion; plasma transport; fusion reactors; laboratory plasma; magnetized plasma; two fluid model; multi-fluid model
Citation Formats
Kolmes, E. J., Ochs, I. E., Mlodik, M. E., and Fisch, N. J.. Natural hot-ion modes in a rotating plasma. United States: N. p., 2021.
Web. doi:10.1103/physreve.104.015209.
Kolmes, E. J., Ochs, I. E., Mlodik, M. E., & Fisch, N. J.. Natural hot-ion modes in a rotating plasma. United States. https://doi.org/10.1103/physreve.104.015209
Kolmes, E. J., Ochs, I. E., Mlodik, M. E., and Fisch, N. J.. Thu .
"Natural hot-ion modes in a rotating plasma". United States. https://doi.org/10.1103/physreve.104.015209. https://www.osti.gov/servlets/purl/1850363.
@article{osti_1850363,
title = {Natural hot-ion modes in a rotating plasma},
author = {Kolmes, E. J. and Ochs, I. E. and Mlodik, M. E. and Fisch, N. J.},
abstractNote = {We report that in steady state, the fuel cycle of a fusion plasma requires inward particle fluxes of fuel ions. These particle flows are also accompanied by heating. In the case of classical transport in a rotating cylindrical plasma, this heating can proceed through several distinct channels depending on the physical mechanisms involved. Some channels directly heat the fuel ions themselves, whereas others heat electrons. Which channel dominates depends, in general, on the details of the temperature, density and rotation profiles of the plasma constituents. However, remarkably, under relatively few assumptions concerning these profiles, if the α particles, the by-products of the fusion reaction, can be removed directly by other means, then a hot-ion mode tends to emerge naturally.},
doi = {10.1103/physreve.104.015209},
journal = {Physical Review. E},
number = 1,
volume = 104,
place = {United States},
year = {2021},
month = {7}
}
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