The schematic diagram of a vacuum TIG.
Three-dimensional graphs of (a) and (b) varying with and , where , , , and .
Three-dimensional graphs of (a) the normalized power and (b) the efficiency of the TIG varying with and where , , and .
Three-dimensional graphs of (a) the normalized power and (b) the efficiency of the TIG varying the anode and cathode work functions.
The curves of the dimensionless power vary with the efficiency for some given values of and .
The optimal curve of the dimensionless power varying with the efficiency.
The curves of four efficiencies ( ) varying with the temperature ratio , where , and and are, respectively, the Carnot and Curzon-Ahlborn efficiencies.
Parameters used in the model of a TIG.
The values of some parameters under different optimum conditions.
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