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Liquid Phase Sintering of Al Powder Using Al-X (X=Cu, Ca, Mg) Eutectic Alloy Powders: Effect of Alloy Elements and Oxide Film Thickness. [PDF]
Materials (Basel)Kusunoki R +8 more
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Pilot-Scale Experimental Study on the Coupling of Venturi-Bubbling Reactor to Promote the Absorption of Leaked H2S. [PDF]
ACS OmegaZhang G, Zheng Y, Dong YZ.
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Chinese Physics B, 2021
We simulate the gas-atomization process of a close-coupled annular nozzle for vacuum induction gas atomization at a three-dimensional scale. Moreover, the relationship between the simulated droplet type and experimentally metallic powder is established by comparing the morphology of droplets with powders.
Peng Wang +8 more
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We simulate the gas-atomization process of a close-coupled annular nozzle for vacuum induction gas atomization at a three-dimensional scale. Moreover, the relationship between the simulated droplet type and experimentally metallic powder is established by comparing the morphology of droplets with powders.
Peng Wang +8 more
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Gas Velocity Measurements of Close-Coupled Atomizers
Materials Science Forum, 2007It is commonly considered that the character of atomizing gas-flowing field would affect breaking method of molten metal, liquid droplet size and mass distribution. It is one of the important factors which determine the microstructure and metallurgical quality of products. In this paper, three types of atomizers were designed and Pitot tube was used to
Shun Li Zhao +3 more
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Multiphase model to predict particle size distributions in close-coupled gas atomization
International Journal of Multiphase Flow, 2022A novel two-stage multiphase model is developed for close-coupled gas atomization by combining formulations available in the literature. Primary atomization is simulated using an Eulerian atomization model, and the outputsa reused as input so fa Lagrangian particle tracking approach to predict the particle size distribution resulting from second ...
Aitor Amatriain +3 more
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Gas velocity measurements from a close-coupled spray deposition atomizer
Materials Science and Engineering: A, 1989Abstract Gas-atomized melt spraying is used for the manufacture of metallic particulate and spray-deposited preforms. The flow behaviour of the gas in the spray is a critical component of the spraying process. Knowledge of the gas flow field generated by the atomizer is a prerequisite for characterizing the transport phenomena controlling droplet ...
B.P. Bewlay, B. Cantor
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Effect of hot gas atomization on spray forming of steel tubes using a close-coupled atomizer (CCA)
Journal of Materials Processing Technology, 2020Hot gas atomization in spray forming has been used for the first time to improve the quality of spray-formed tubular deposits. This technique reduces gas consumption and produces smaller droplets than cold gas atomization. The flight velocity and cooling rate of the atomized droplets increase with increasing gas temperature.
Hussain, Shohag +4 more
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Chinese Physics B, 2021
The paper aims at modeling and simulating the atomization process of the close-coupled ring-hole nozzle in vacuum induction gas atomization (VIGA) for metallic powder production. First of all, the primary atomization of the ring-hole nozzle is simulated by the volume of fluid (VOF) coupled large eddy simulation (LES) model.
Peng Wang +9 more
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The paper aims at modeling and simulating the atomization process of the close-coupled ring-hole nozzle in vacuum induction gas atomization (VIGA) for metallic powder production. First of all, the primary atomization of the ring-hole nozzle is simulated by the volume of fluid (VOF) coupled large eddy simulation (LES) model.
Peng Wang +9 more
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Close coupling-wave packet formalism for gas phase nonreactive atom–diatom collisions
The Journal of Chemical Physics, 1987In this paper we discuss the adaptation of the close coupling-wave packet (CCWP) method for solving the time dependent Schrödinger equation for inelastic, nonreactive gas phase atom–diatom collisions. The approach is novel in that (a) it is an initial value rather than boundary value method, (b) it can be formulated to either avoid or include the ...
D. J. Kouri, R. C. Mowrey
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Spherical wave close coupling wave packet formalism for gas phase nonreactive atom–diatom collisions
The Journal of Chemical Physics, 1987In this paper we discuss the use of the total angular momentum representation in the close coupling-wave packet (CCWP-J) method for solving the time dependent Schrödinger equation for inelastic, nonreactive gas phase atom–diatom collisions. This enables the wave packet propagation for the relative motion to be reduced from three dimensions to one.
Y. Sun, R. C. Mowrey, D. J. Kouri
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