Nonlocal heat transport in plasmas down steep temperature gradients

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An analytic solution to the problem of nonlocal heat transport in plasmas by electrons whose range is not short compared to the temperature scale length is presented. The formalism extends the results of Albritton et al. [Phys. Rev. Lett. 57, 1887 (1986)] to an arbitrary ionization state Z. This sim...

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Autores principales: Minotti, Fernando Oscar, Ferro Fontán, Constantino
Publicado: 1990
Acceso en línea:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_08998221_v2_n8_p1725_Minotti
http://hdl.handle.net/20.500.12110/paper_08998221_v2_n8_p1725_Minotti
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Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires
id paper:paper_08998221_v2_n8_p1725_Minotti
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spelling paper:paper_08998221_v2_n8_p1725_Minotti2023-06-08T15:49:31Z Nonlocal heat transport in plasmas down steep temperature gradients Minotti, Fernando Oscar Ferro Fontán, Constantino An analytic solution to the problem of nonlocal heat transport in plasmas by electrons whose range is not short compared to the temperature scale length is presented. The formalism extends the results of Albritton et al. [Phys. Rev. Lett. 57, 1887 (1986)] to an arbitrary ionization state Z. This simple transport scheme is checked against recent experiments in the AURORA device [Phys. Fluids B 1, 741 (1989)]. The agreement, both for the measured cold electron temperature profile and the plasma potential, is very good and comparable to the result of full kinetic calculations. © 1990 American Institute of Physics. Fil:Minotti, F. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Ferro Fontán, C. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. 1990 https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_08998221_v2_n8_p1725_Minotti http://hdl.handle.net/20.500.12110/paper_08998221_v2_n8_p1725_Minotti
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-134
collection Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
description An analytic solution to the problem of nonlocal heat transport in plasmas by electrons whose range is not short compared to the temperature scale length is presented. The formalism extends the results of Albritton et al. [Phys. Rev. Lett. 57, 1887 (1986)] to an arbitrary ionization state Z. This simple transport scheme is checked against recent experiments in the AURORA device [Phys. Fluids B 1, 741 (1989)]. The agreement, both for the measured cold electron temperature profile and the plasma potential, is very good and comparable to the result of full kinetic calculations. © 1990 American Institute of Physics.
author Minotti, Fernando Oscar
Ferro Fontán, Constantino
spellingShingle Minotti, Fernando Oscar
Ferro Fontán, Constantino
Nonlocal heat transport in plasmas down steep temperature gradients
author_facet Minotti, Fernando Oscar
Ferro Fontán, Constantino
author_sort Minotti, Fernando Oscar
title Nonlocal heat transport in plasmas down steep temperature gradients
title_short Nonlocal heat transport in plasmas down steep temperature gradients
title_full Nonlocal heat transport in plasmas down steep temperature gradients
title_fullStr Nonlocal heat transport in plasmas down steep temperature gradients
title_full_unstemmed Nonlocal heat transport in plasmas down steep temperature gradients
title_sort nonlocal heat transport in plasmas down steep temperature gradients
publishDate 1990
url https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_08998221_v2_n8_p1725_Minotti
http://hdl.handle.net/20.500.12110/paper_08998221_v2_n8_p1725_Minotti
work_keys_str_mv AT minottifernandooscar nonlocalheattransportinplasmasdownsteeptemperaturegradients
AT ferrofontanconstantino nonlocalheattransportinplasmasdownsteeptemperaturegradients
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