The structure of thermal waves in a high temperature flare plasma

Details The structure of thermal waves in a high temperature flare plasma The structure of thermal waves in a high temperature flare plasma

Jun 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988pazh...14..569k&link_type=abstract

Pis'ma v Astronomicheskii Zhurnal (ISSN 0320-0108), vol. 14, June 1988, p. 569-576. In Russian. In Russian.

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Computerized Simulation, Heat Flux, High Temperature Plasmas, Solar Flares, Temperature Profiles, Solar X-Rays, Thermal Energy

Scientific paper

A numerical simulation of thermal waves which have been observed in the high-temperature plasma (Te ≡ 107K, ne ≡ 1010cm-3) are carried out. Heat flow saturation and ion heating have been taken into account. It is shown that in the case of high energy input rate (with the characteristic time τ0 ⪉ 1 s) the thermal wave is a running temperature pulse with a steep front. Otherwise, in the case of gradual energy input (τ0 ⪆ 3 s), the thermal wave with a monotonous temperature profile is formed. The calculated velocities of the thermal waves correspond to the observed values of (900 - 1600) km/s at the energy input of 3×1030erg on the timescale τ0 = (7 - 10) s.

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