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dc.contributor.author
Avaria, Gonzalo
dc.contributor.author
Clausse, Alejandro
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dc.contributor.author
Davis, Sergio
dc.contributor.author
Pavez, Cristian
dc.contributor.author
Villalba, Nelson
dc.contributor.author
Cuadrado, Osvaldo
dc.contributor.author
Moreno, Jose
dc.contributor.author
Ruiz, H. Marcelo
dc.contributor.author
Soto, Leopoldo
dc.date.available
2023-11-15T16:05:25Z
dc.date.issued
2022-09
dc.identifier.citation
Avaria, Gonzalo; Clausse, Alejandro; Davis, Sergio; Pavez, Cristian; Villalba, Nelson; et al.; Bayesian inference of spectrometric data and validation with numerical simulations of plasma sheath diagnostics of a plasma focus discharge; Springer; Scientific Reports; 12; 1; 9-2022; 1560101-1560112
dc.identifier.issn
2045-2322
dc.identifier.uri
http://hdl.handle.net/11336/218214
dc.description.abstract
Plasma Foci are pulsed coaxial discharges with numerous radiation applications and interesting scientific phenomena. Although the physics answered much of the processes involved in these discharges, many related fundamental questions still remains doggedly unresolved. One of the obstacles to deeper knowledge is the scarcity of reliable experimental data. This work presents an elaborate experimental assessment of the electron density in the rundown phase of a 400 J Plasma Focus operating with hydrogen. The rundown of the plasma sheath is basically a hypersonic shock wave between two coaxial electrodes accelerated by the Lorentz force, and it is important to control the pinch formation. The electron density of the passing sheath is measured by means of the Stark broadened hydrogen alpha emission with spatial and temporal resolution. The experimental data is post-processed using Bayesian posterior probability assessment. The results are conflated with the numerical model CShock to construe an educated explanation of the sheath behavior during the rundown. In particular, it is possible to reckon the formation of a toroidal instability reported in previous experiments, and to estimate the plasma sheath temperature (4–20 eV) and velocity (62.5 km/s) at this stage.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Springer
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dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by/2.5/ar/
dc.subject
Plasma Focus
dc.subject
Interferometry
dc.subject
Electron Density
dc.subject
Temperature
dc.subject.classification
Física de los Fluidos y Plasma
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dc.subject.classification
Ciencias Físicas
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dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
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dc.title
Bayesian inference of spectrometric data and validation with numerical simulations of plasma sheath diagnostics of a plasma focus discharge
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2023-11-14T14:31:21Z
dc.journal.volume
12
dc.journal.number
1
dc.journal.pagination
1560101-1560112
dc.journal.pais
Estados Unidos
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dc.description.fil
Fil: Avaria, Gonzalo. Universidad Andrés Bello; Chile
dc.description.fil
Fil: Clausse, Alejandro. Comisión Nacional de Energía Atómica; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Tandil; Argentina
dc.description.fil
Fil: Davis, Sergio. Universidad Andrés Bello; Chile
dc.description.fil
Fil: Pavez, Cristian. Universidad Andrés Bello; Chile
dc.description.fil
Fil: Villalba, Nelson. Universidad del Bio Bio; Chile
dc.description.fil
Fil: Cuadrado, Osvaldo. Comision Chilena de Energia Nuclear; Chile
dc.description.fil
Fil: Moreno, Jose. Universidad Andrés Bello; Chile
dc.description.fil
Fil: Ruiz, H. Marcelo. Comision Chilena de Energia Nuclear; Chile
dc.description.fil
Fil: Soto, Leopoldo. Universidad Andrés Bello; Chile
dc.journal.title
Scientific Reports
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://www.nature.com/articles/s41598-022-19764-7
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1038/s41598-022-19764-7
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