英国物理学会
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作者:M A Sargsyan , V F Chinnov ...
来源:[J].Journal of Physics D: Applied Physics(IF 2.528), 2018, Vol.51 (48)IOP
摘要:The results of a complex study of the destructive effect of a nitrogen plasma jet at atmospheric pressure onto the surface of the MPG-6 graphite are presented. The space-time changes in the rate of decrease in the samples material, the temperature of their surface, the elect...
作者:M A Sargsyan , V F Chinnov ...
来源:[J].Journal of Physics: Conference Series, 2017, Vol.891 (1)IOP
摘要:To study the interacting system “heat-resistant sample – an incident plasma stream” a setup of synchronized measurement equipment was developed and tested that recorded the main parameters of such interaction. Heat resistance tests were carried out on the samples of MPG...
作者:M A Sargsyan , E E Son
来源:[J].Journal of Physics: Conference Series, 2015, Vol.653 (1)IOP
摘要:The paper presents the modified method for the supersonic nozzle profiling with respect to non-monotonic dependence of adiabatic index on temperature, as well as the results of nozzle profile calculation for two sets of input parameters, based on independently determined specific...
作者:... M Kh Gadzhiev , M A Sargsyan , P V Konovalov
来源:[J].Journal of Physics: Conference Series, 2015, Vol.653 (1)IOP
摘要:Megawatt generator of high-enthalpy air plasma jet ( H ≥ 30 kJ/g) is constructed. Plasmatron belongs to the class of plasma torches with thermionic cathode, tangential swirl flow and divergent channel of an output electrode-anode. Plasma torch ensures the formation of the sl...
作者:M A Sargsyan , V F Chinnov ...
来源:[J].Journal of Physics: Conference Series, 2016, Vol.774 (1)IOP
摘要:An experimental automated system was designed and constructed for studying the parameters and characteristics of non-stationary interacting system high-enthalpy-plasma stream-investigated sample: enthalpy of plasma in the incident stream; speed and temperature of plasma stream; t...
作者:M A Sargsyan , P L Akimov
来源:[J].Journal of Physics: Conference Series, 2016, Vol.774 (1)IOP
摘要:To study the breakdown of transformer oil with gas bubbles an experimental setup was created that allows to determine electrical and optical properties of the discharge. Oil was sparged with air and sulfur hexafluoride gas. It was found that sparging oil with gas lowers the break...
作者:M A Sargsyan , N A Demirov
来源:[J].Journal of Physics: Conference Series, 2016, Vol.774 (1)IOP
摘要:A new generator of high enthalpy ( H 0 > 40 kJ/g), chemically active nitrogen and air plasmas was designed and constructed. Main feature of the generator is an expanding channel of an output electrode; the generator belongs to the class of DC plasma torches with t...
作者:... O V Korshunov , M A Sargsyan , A V Efimov
来源:[J].Journal of Physics: Conference Series, 2016, Vol.774 (1)IOP
摘要:Experimental study of helium plasma in the state of quasistationary heating under atmospheric pressure was made. The plasma state is shown to fail to be described by Saha- Boltzmann approximation at high ionization levels α i = 0.5-0.9, temperatures 2.5-4.0 eV an...
作者:M A Sargsyan , M Kh Gadzhiev ...
来源:[J].Journal of Physics: Conference Series, 2018, Vol.946 (1)IOP
摘要:In an automated measuring complex using optical and spectral methods the spatial and temporal changes in the parameters and composition of nitrogen plasma jet were investigated. The plasma jet was flowing out of the nozzle of the plasma torch with 10–12 kK temperature and ac...
作者:... A S Tyuftyaev , V F Chinnov , M A Sargsyan
来源:[J].Journal of Physics: Conference Series, 2018, Vol.946 (1)IOP
摘要:A generator of low-temperature dc plasma with an expanding channel of an output electrode for gas-thermal spraying was designed and constructed. The delivery of the sprayed powder into the cathode and anode arc-binding zones or into the plasma jet below the anode binding was...

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