FORMATION OF ORDERED STRUCTURE IN SPRAY OF THERMAL DUSTY PLASMAS

Fortov, Vladimir Evgenievich; Nefedov, Anatoli P.; Petrov, Oleg F.; Samarian, Alex A.; Chernyschev, Alex V.; Lipaev, Andrey M.

Progress in Plasma Processing of Materials, 1997

ISBN Imprimir: 1-56700-093-2

FORMATION OF ORDERED STRUCTURE IN SPRAY OF THERMAL DUSTY PLASMAS

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Vladimir Evgenievich Fortov Joint Institute of High Temperatures RAS, Russian Academy of Science, Moscow, Russia

Anatoli P. Nefedov Institute for High Energy Densities, Russian Academy of Sciences, IVTAN, Izhorskaya, 13/19, Moscow, 127412, Russia

Oleg F. Petrov Joint Institute of High Temperatures RAS, Russian Academy of Science, Moscow, Russia

Alex A. Samarian High Energy Density Research Center, Russian Academy of Sciences, Izhorskaya 13/19, 127412, Moscow, Russia

Alex V. Chernyschev High Energy Density Research Center, Russian Academy of Sciences, Izhorskaya 13/19, 127412, Moscow, Russia

Andrey M. Lipaev High Energy Density Research Center, Russian Academy of Sciences, Izhorskaya 13/19, 127412, Moscow, Russia

Resumo

An ordered structure of macroscopic particles has been experimentally observed in a classical neutral thermal plasma using a laser time-of-flight system. The strongly coupled thermal plasma consists of Ce0₂ particles and electrons emitted by the latter under atmospheric pressure and temperature of 1700 K. The particles are charged positively and suspended in a plasma flow. Their charge is about 10³e and the calculated value of a Coulomb coupling parameter γ_p is >120 that corresponds to a strongly coupled plasma.

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