Numerical simulation on thermal plasma temperature field in the torch for different conditions

Numerical simulation was conducted to obtain the temperature and gas flow fields in inductively coupled thermal plasma (ICTP). Influence of gas composition, power supply, quenching gas, carrier gas, pressure and frequencies were investigated on thermal plasma temperature fields. Results indicated th...

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Bibliographic Details
Published inIOP conference series. Materials Science and Engineering Vol. 309; no. 1; pp. 12090 - 12096
Main Authors Siregar, Y, Kodama, N, Tanaka, Y, Ishijima, T, Uesugi, Y
Format Journal Article
LanguageEnglish
Published Bristol IOP Publishing 01.02.2018
Subjects
Carrier gases
Gas composition
Gas flow
Plasma
Plasma temperature
Plasmas (physics)
Quenching
Temperature distribution
Thermal plasmas
Thermal simulation
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Summary:Numerical simulation was conducted to obtain the temperature and gas flow fields in inductively coupled thermal plasma (ICTP). Influence of gas composition, power supply, quenching gas, carrier gas, pressure and frequencies were investigated on thermal plasma temperature fields. Results indicated that higher oxygen fraction in gas composition makes the shrinkage of the thermal plasmas, which increases power density in local volume. Further, an increase in the quenching gas, the carrier gas and the pressure did not affect the temperature of thermal plasma. On the other hand, the temperature in thermal plasma decreased at axial position along with degradation of frequency.
ISSN:1757-8981
1757-899X
DOI:10.1088/1757-899X/309/1/012090