Applicability of the particle-in-cell method for the through calculation of jet flows in a wide interval of gas Pressures


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Аннотация

Applicability limits of the particle-in-сell (PIC) method for the calculation of jet gasdynamic flows under conditions of pressure variations by four or five orders of magnitude are studied. Three approaches permitting one to determine real limits of the model adequacy from the side of low pressures are considered. Based on the analysis of the results, it is shown that the PIC method adequately operates in the pressure range of 5–105 Pa in spite of the fact that, formally, the PIC method can operate also at lower pressures.

Авторлар туралы

S. Kol’tsov

Higher School of Economics

Хат алмасуға жауапты Автор.
Email: skoltsov@hse.ru
Ресей, St. Petersburg, 190008

L. Gall

Institute for Analytical Instrumentation

Email: skoltsov@hse.ru
Ресей, St. Petersburg, 198095

N. Gall

Institute for Analytical Instrumentation; Ioffe Physical Technical Institute

Email: skoltsov@hse.ru
Ресей, St. Petersburg, 198095; St. Petersburg, 194021

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