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Transport coefficients of partially ionized argon.
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In this paper, the authors applied the complete Chapman-Enskog-Burnett expressions for the transport coefficients of multicomponent gas mixtures to the computation of the properties of partially ionized argon.Abstract:
The complete Chapman‐Enskog‐Burnett expressions for the transport coefficients of multicomponent gas mixtures are applied to the computation of the properties of partially ionized argon. Studies of the rate of convergence of the approximations to the coefficients show that the third approximation to the thermal conductivity and the second to the viscosity are adequate at all degrees of ionization. The ordinary ambipolar diffusion coefficient is given to excellent accuracy by twice the binary ion‐atom diffusion coefficient but, at low ionization, apparently not even the fourth approximation to the electrical conductivity has converged to the true value. The computed electrical and thermal conductivities are compared with experimental measurements.read more
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Understanding plasma spraying
TL;DR: In this paper, a summary of the actual knowledge in plasma spraying with an emphasis on the points where work is still in progress is presented, including: the plasma torches with the resulting plasma jets and their interactions with the surrounding environment, powder injection with the heat, momentum and mass transfers between particles and first plasma jets, the particles flattening and solidification, forming splats which then layer to form the coating.
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Thermal plasma modelling
TL;DR: In this paper, a double approach to thermal plasmas is presented, which combines the scientific procedure with an engineering point of view, and the model is useful in each case for studying important phenomena or processes in greater detail.
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Arc Plasma Torch Modeling
TL;DR: An overview of the main aspects involved in the modeling of DC arc plasma torches can be found in this paper, where the authors focus on the conventional plasma torches used for plasma spraying that include a hot cathode and a nozzle anode.
Journal ArticleDOI
Theory of free-burning arc columns including the influence of the cathode
J J Lowke,P Kovitya,H P Schmidt +2 more
TL;DR: In this paper, the current density at the cathode of a free-burning arc in argon with a tungsten cathode having a 60 degrees conical tip is determined to a good approximation by the arc column and cathode shape.
Posted Content
Arc Plasma Torch Modeling
TL;DR: An overview of the main aspects involved in the modeling of DC arc plasma torches can be found in this article, where the authors focus on the conventional plasma torches used for plasma spraying that include a hot-cathode and a nozzle anode.
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Molecular theory of gases and liquids
TL;DR: Molecular theory of gases and liquids as mentioned in this paper, molecular theory of gas and liquids, Molecular theory of liquid and gas, molecular theories of gases, and liquid theory of liquids, مرکز