Plasma-kg

addresses

• How are the plasma properties influenced by the increase of the oxygen fraction in the gas mixture? 

conductedBy

• Baeva, Margarita   Person
• Foest, Rüdiger   Person
• Hempel, Frank  Person
• Loffhagen, Detlef   Person
• Methling, Ralf   Person
• Stankov, Marjan  Person
• Trautvetter, Tom  Person

hasMedium

• Ar  Medium
• Ar-O2  Medium

hasOutput

• The effect of oxygen admixture on the properties of microwave generated plasma in Ar-O₂ : a modelling study - dataset  Dataset

hasPlasmaSource

• atmospheric pressure MW discharge, plasma torch  Plasma Source

hasTopic

• analysis of number densities of species in Ar-O₂ plasma  Research Topic
• atmospheric pressure  Research Topic
• effect of oxygen admixture on plasma properties  Research Topic
• influence of input microwave power on the discharge  Research Topic
• oxygen admixture  Research Topic

investigates

• dissociation of oxygen molecules 
• drop of electron density 
• electron energy loss 
• gas heating 
• gradual increase of gas temperature 
• increase of electron temperature 
• microwave power absorption 
• microwave power reflection 
• overheating of the tube walls 
• plasma ignition 
• plasma movement towards microwave source 
• plasma-microwave interaction 
• production of oxygen atoms 
• progressive decrease of electron number density 

involves

• Ar  Medium
• Microwave Plasma  Plasma
• electrons 
• oxygen  Medium
• pure Ar plasma  Plasma

usesConfiguration

• Configuration for atmospheric pressure MW discharge: Frequency: 2.45 GHz; Pressure: atmospheric pressure; Input microwave power: 1 kW and 1.5 kW; Oxygen admixture: 1% to 95% in mass; Gas flow rate: 2 slm to 16 slm 

usesDevice

• atmospheric pressure MW discharge, plasma torch  Plasma Source

usesMaterialEntity

• oxygen  Medium
• quartz tube 
• rectangular waveguide 
• tube walls 

usesMethod

• Gas admixture and flow control procedure  Method
• Microwave plasma generation procedure  Method
• fluid modelling  Method
• self-consistent modelling analysis  Method