Numerical modelling of low temperature radio-frequency hydrogen plasmas.
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Numerical modelling of low temperature radio-frequency hydrogen plasmas.

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Published .
Written in English

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Thesis (PhD) -- Dublin City University, 2003.

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Open LibraryOL15506475M

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Figure 4 shows the governing equation systems and related external quantities. The system of equations is not closed and it requires the auxiliary equation, as an equation of state is required to complete the specification in a strongly ionized plasma in thermal equilib- RADIO-FREQUENCY PLASMA MODELING by: 9. Feb 22,  · Abstract. The species densities and the thermal and chemical nonequilibrium phenomena in an Ar–H 2 radio frequency inductively coupled plasma reactor used for hydrogenation of materials have been investigated through numerical simulation. The mathematical model consists of a two-temperature fluid dynamics model and a chemical kinetics model that takes into account the effect Cited by: The present paper provides the results of numerical simulation obtained using a fluid model approach of pure hydrogen microwave plasma, at moderate pressure, in two-dimensional cylindrical geometry. Sep 18,  · Plasma modelling is an exciting subject in which virtually all physical disciplines are represented. Plasma models combine the electromagnetic, statistical and fluid dynamical theories that have their roots in the 19th century with the modern insights concerning the structure of matter that were developed throughout the 20th by:

According to the reaction temperature, the WGSR can be categorized into the high-temperature shift reaction (HTSR) and the low-temperature shift reaction (LTSR). The reaction temperature of the former usually ranges from to °C, whereas the latter is approximately operated at the temperature between and °C [3].Cited by: Global model of low-temperature atmospheric-pressure He + H2O plasmas Article in Plasma Sources Science and Technology 19(2) · March with Reads How we measure 'reads'. Numerical Modeling of an Ar–H2 Radio-Frequency Plasma Reactor under Thermal and Chemical Nonequilibrium Conditions Article in Plasma Chemistry and Plasma Processing . Mar 28,  · Correct treatment of secondary particle emission from walls into the plasma is crucial for models describing the low pressure, low temperature plasma of negative ion sources for NBI with a high relevance of negative ion production on the caesium covered low-work function surface of the I M Montellano, D Wünderlich, S Mochalskyy, U Fantz.

Numerical simulation of hydrogen molecular dissociation and the effects to Hα profiles in low temperature plasmas. One of the important issues is the energy distribution of the dissociated products of hydrogen molecules. A very low energy component was observed in the edge plasma region in the TEXTOR experiments. The energy distribution Cited by: 3. on the collision processes taking place in hydrogen plasmas in the temperature range from eV to several hundreds eV. This temperature range covers the typical temperature conditions of many astrophysical and laboratory plasmas, in-cluding the edge plasmas of thermonuclear fusion by: Modeling and Simulation of Low Temperature Plasma Discharges (1 MB pdf file, 25 min talk at the DOE Plasma Science Center Annual Meeting, College Park, MD, June ) Hybrid Global Model Simulations of He/N2 and He/H2O Atmospheric Pressure Capacitive Discharges ( MB pdf file, 15 min talk at the Gaseous Electronics Converence, Raleigh. Low-temperature radio frequency plasmas are essential in various sectors of advanced technology, from micro-engineering to spacecraft propulsion systems and efficient sources of light.