Results 221 to 230 of about 1,623 (247)
Insight into the Effect of Excess Air Coefficient on a Methanol/Diesel RCCI Engine under Various Altitudes. [PDF]
ACS OmegaPeng Y, Huang F, Wan M, Lei J.
europepmc +1 more source
Elucidating the Gas Phase Thermochemistry and the H‑Atom Abstraction Reactions of Triethyl Phosphite. [PDF]
ACS OmegaZhu Z +8 more
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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, 2020 Hot 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.
Shohag Hussain +2 more
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Multiphase model to predict particle size distributions in close-coupled gas atomization
International Journal of Multiphase Flow, 2022 A 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 +2 more
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Numerical Simulation and Validation of Gas and Molten Metal Flows in Close-Coupled Gas Atomization
Minerals, Metals and Materials Series, 2019Molten metal atomization in close-coupled gas atomization dies can operate between two limiting conditions, jetting and filming, together with several complex mechanisms: liquid-gas drafting, downward/upward shearing, melt bouncing, etc. Liquid jet deformation depends on flow and geometric parameters, such as liquid Reynolds, liquid Weber, and gas Mach
Bo Kong, Jonathan D Regele
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Experimental investigation of primary breakup in close-coupled gas atomization
International Journal of Multiphase FlowBo Kong, R van Hout
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Powder TechnologyThe growing demand for high-quality metal powders as the raw product for metal additive manufacturing requires a better understanding of the physics involved in their production by means of supersonic close-coupled atomization.
Niklas Apell +2 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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A STUDY OF LIQUID METAL ATOMIZATION USING CLOSE-COUPLED NOZZLES, PART 1: GAS DYNAMIC BEHAVIOR
Atomization and Sprays, 2005Gary S Settles
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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
openaire +1 more source