An improvement of the nonlocal heat flux formula

A new heat flux formula valid in strong inhomogeneous laser‐produced plasmas has been derived from the Fokker–Planck equation. The nonlocal treatment of Luciani e t a l. [Phys. Rev. Lett. 5 1, 1664 (1983); Phys. Fluids 2 8, 835 (1985)] is improved by taking into account the electric potential effect...

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Veröffentlicht in:	Phys. Fluids; (United States) 1988-04, Vol.31 (4), p.711-713
Hauptverfasser:	Bendib, A., Luciani, J. F., Matte, J. P.
Format:	Artikel
Sprache:	eng
Schlagworte:	70 PLASMA PHYSICS AND FUSION TECHNOLOGY 700103 - Fusion Energy- Plasma Research- Kinetics DIFFERENTIAL EQUATIONS EQUATIONS Exact sciences and technology FOKKER-PLANCK EQUATION HEAT FLUX INHOMOGENEOUS PLASMA LASER-PRODUCED PLASMA PARTIAL DIFFERENTIAL EQUATIONS Physics Physics of gases, plasmas and electric discharges Physics of plasmas and electric discharges PLASMA Plasma production and heating
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Zusammenfassung:	A new heat flux formula valid in strong inhomogeneous laser‐produced plasmas has been derived from the Fokker–Planck equation. The nonlocal treatment of Luciani e t a l. [Phys. Rev. Lett. 5 1, 1664 (1983); Phys. Fluids 2 8, 835 (1985)] is improved by taking into account the electric potential effect. A simple and reliable phenomenological formula is proposed, which is in good agreement with numerical Fokker–Planck computations.
ISSN:	0031-9171 2163-4998
DOI:	10.1063/1.866806