Influence of the High-Temperature Effects in a Nozzle with a Nonstationary Local Power Supply on the Gas Flow in it

A simulation of a high-temperature air flow in a nozzle with a nonstationary local power supply has been performed. The thermodynamic processes in this flow were simulated using an approximate model of equilibrium air thermodynamics. Results of a numerical simulation of one-dimensional flows in nozz...

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Bibliographic Details
Published in:Journal of engineering physics and thermophysics 2019-09, Vol.92 (5), p.1276-1284
Main Authors: Brykov, N. A., Volkov, K. N., Emel’yanov, V. N., Teterina, I. V.
Format: Article
Language:English
Subjects:
Analysis
Classical Mechanics
Complex Systems
Engineering
Engineering Thermodynamics
Heat and Mass Transfer
Hydrogasdynamics in Technological Processes
Industrial Chemistry/Chemical Engineering
Natural gas
Numerical analysis
Thermodynamics
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Summary:A simulation of a high-temperature air flow in a nozzle with a nonstationary local power supply has been performed. The thermodynamic processes in this flow were simulated using an approximate model of equilibrium air thermodynamics. Results of a numerical simulation of one-dimensional flows in nozzles with a moving powersupply zone, used in alternating-current plasma generators, are presented. On the basis of the numerical-simulation data obtained, the qualitative patterns of the gasdynamic and thermal processes proceeding in such a nozzle with a nonstationary power supply were analyzed. The results of calculations performed on the basis of the ideal-gas and real-gas models with regard for the physicochemical processes occurring in a real gas at a high temperature were compared.
ISSN:1062-0125
1573-871X
DOI:10.1007/s10891-019-02043-0