Electrode configuration for extended plasma confinement
Abstract
Methods and systems are provided for plasma confinement utilizing various electrode and valve configurations. In one example, a device includes a first electrode positioned to define an outer boundary of an acceleration volume, a second electrode arranged coaxially with respect to the first electrode and positioned to define an inner boundary of the acceleration volume, at least one power supply to drive an electric current along a Z-pinch plasma column between the first second electrodes, and a set of valves to provide gas to the acceleration volume to fuel the Z-pinch plasma column, wherein an electron flow of the electric current is in a first direction from the second electrode to the first electrode. In additional or alternative examples, a shaping part is conductively connected to the second electrode to, in a presence of the gas, cause a gas breakdown of the gas to generate a sheared flow velocity profile.
- Inventors:
- Issue Date:
- Research Org.:
- Zap Energy Inc., Seattle, WA (United States)
- Sponsoring Org.:
- USDOE Advanced Research Projects Agency - Energy (ARPA-E)
- OSTI Identifier:
- 2222259
- Patent Number(s):
- 11744001
- Application Number:
- 17/841,593
- Assignee:
- Zap Energy, Inc. (Seattle, WA)
- Patent Classifications (CPCs):
-
G - PHYSICS G21 - NUCLEAR PHYSICS G21B - FUSION REACTORS
H - ELECTRICITY H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR H05H - PLASMA TECHNIQUE
- DOE Contract Number:
- AR0001010; AR0001260
- Resource Type:
- Patent
- Resource Relation:
- Patent File Date: 06/15/2022
- Country of Publication:
- United States
- Language:
- English
Citation Formats
Meier, Eric T., Nelson, Brian A., and Shumlak, Uri. Electrode configuration for extended plasma confinement. United States: N. p., 2023.
Web.
Meier, Eric T., Nelson, Brian A., & Shumlak, Uri. Electrode configuration for extended plasma confinement. United States.
Meier, Eric T., Nelson, Brian A., and Shumlak, Uri. Tue .
"Electrode configuration for extended plasma confinement". United States. https://www.osti.gov/servlets/purl/2222259.
@article{osti_2222259,
title = {Electrode configuration for extended plasma confinement},
author = {Meier, Eric T. and Nelson, Brian A. and Shumlak, Uri},
abstractNote = {Methods and systems are provided for plasma confinement utilizing various electrode and valve configurations. In one example, a device includes a first electrode positioned to define an outer boundary of an acceleration volume, a second electrode arranged coaxially with respect to the first electrode and positioned to define an inner boundary of the acceleration volume, at least one power supply to drive an electric current along a Z-pinch plasma column between the first second electrodes, and a set of valves to provide gas to the acceleration volume to fuel the Z-pinch plasma column, wherein an electron flow of the electric current is in a first direction from the second electrode to the first electrode. In additional or alternative examples, a shaping part is conductively connected to the second electrode to, in a presence of the gas, cause a gas breakdown of the gas to generate a sheared flow velocity profile.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2023},
month = {8}
}
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