Nonlinear Heat Transport in Anisotropic Divertor Targets Irradiated by Laser Pulses | Zendy

Bachmann P. | Zendy; Hildebrandt D. | Zendy; Sünder D. | Zendy

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Nonlinear Heat Transport in Anisotropic Divertor Targets Irradiated by Laser Pulses

Author(s) -

Bachmann P.,

Hildebrandt D.,

Sünder D.

Publication year - 2004

Publication title -

contributions to plasma physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.531

H-Index - 47

eISSN - 1521-3986

pISSN - 0863-1042

DOI - 10.1002/ctpp.200410006

Subject(s) - divertor , thermal conduction , heat flux , plasma , materials science , nonlinear system , laser , anisotropy , irradiation , graphite , heat equation , computational physics , physics , mechanics , atomic physics , heat transfer , optics , thermodynamics , nuclear physics , tokamak , quantum mechanics , composite material

In order to derive plasma energy outflux from thermographic measurements an inverse heat conduction problem must be solved. A solution method for the time‐dependent three‐dimensional heat conduction equation is presented which improves an analytical Green's function solution by a numerical iteration method to include nonlinear effects. The measured temperature excursion of a graphite surface irradiated by laser heat flux pulses can be well described by the model calculations. (© 2004 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)

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