The study of a supersonic jet of rarefied argon plasma

Gol'dfarb, V.M.; Ulna, E. V.; Kostygova, I.E.; Lukyanov, G. A.; Silant'ev, V. A.

doi:10.1007/bf00913250

J Appl Mech Tech Phys

1971

DOI: 10.1007/bf00913250

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The study of a supersonic jet of rarefied argon plasma

V.M. Gol'dfarb

E. V. Ulna

I.E. Kostygova

et al.

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1997

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“…Under typical conditions with the use of plasma heaters the degree of ionisation is small as a rule and does not exceed 1%. 16 The recombination coefficient is on the order of 10 -10 12 cm /s 21,22 and the relaxation rate is low. 23 This gives reason to assume that the ionisation in the jet is practically "frozen-in" and, consequently, the adiabatic index along a streamline corresponds to a monatomic gas.…”

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confidence: 98%

<title>Measurement of the local density in rarefied flows by means of characteristic fluorescence</title>

Kuznetsov

Yarygin

1997

SPIE Proceedings

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The new method is based on the interaction of fast beam electrons with electrons in the outer shells of atoms, which generates the characteristic X-ray radiation. The intensity of X-rays is proportional to the concentration of the atoms in investigated gas.The gasdynamic structures of rarefied argon jets were studied in the range of stagnation temperatures up to 5200 K using the this X-ray method. The experimental studies of the present work were performed in a low-density gasdynamic chamber. The arc heater was used as a gasdynamic source. The changes in the structure of a jet of monatomic gas beyond a sonic nozzle with variation in the rarefaction and the temperature factor have been clarified as a result of the experiments and generalisations performed.

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mentioning

confidence: 98%

<title>Measurement of the local density in rarefied flows by means of characteristic fluorescence</title>

Kuznetsov

Yarygin

1997

SPIE Proceedings

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The study of a supersonic jet of rarefied argon plasma

Cited by 1 publication

References 7 publications

<title>Measurement of the local density in rarefied flows by means of characteristic fluorescence</title>

<title>Measurement of the local density in rarefied flows by means of characteristic fluorescence</title>

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