نتایج جستجو برای: thermal plasma

تعداد نتایج: 563853  

Journal: :Waste and Biomass Valorization 2013

Journal: :Plasma Chemistry and Plasma Processing 2023

Abstract Plasma in hydrogen-containing atmospheres is an efficient method for the reduction of iron oxides. Although a vast number approaches were performed bulk Fe oxides with thermal hydrogen plasmas, there almost no information about non-thermal plasma efficiency atmospheric pressure range. In current article we present natively oxidized surfaces applying dielectric barrier discharge Ar/H 2 ...

2008
TSUBASA FUKUE HIDEYUKI KAMAYA

Thermal instability of partially ionized plasma is investigated by means of a linear perturbation analysis. According to the previous studies under the one fluid approach, the thermal instability is suppressed due to the magnetic pressure. However, the previous studies did not precisely consider the effect of the ion-neutral friction, since they did not treat the flow as two fluid which is comp...

2014
A. Dias E. Tatarova J. Henriques C. C. Luhrs C. M. Ferreira

Plasma environments constitute powerful tools in materials science due to their operation as thermal and chemical reactors. A microwave, atmospheric argon plasma driven by surface waves has been used for synthesizing carbon nanostructures by passing vaporized ethanol through the plasma. Graphene sheets and carbon nanoparticles have been selectively synthesized through the control of the outlet ...

Kurosh Javidan Marzieh Ghobakhloo Mohammad Ebrahim Zomorrodian

  Propagation of dust ion acoustic waves in plasmas composed of nonthermal distributed electrons and stationary dust particles is investigated. Nonlinear Schrdinger equation is derived to describe small amplitude waves, using the reduction perturbation technique. Modulation instability of dust ion acoustic waves is analysed for this system. Parametric investigation indicates that growth rate of...

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