Close-coupled gas atomization
WebCORE – Aggregating the world’s open access research papers WebA pulsatile gas atomization model based on the close-coupled atomization kinetics of the phase-flow interaction is discussed. The pressure formation on the melt nozzle tip in dependence on gas pressure in the close-coupled slotted nozzle design is shown. The size distribution in dependence on atomization process parameters both for open-wake ...
Close-coupled gas atomization
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Web정보. • Holding a Ph.D. degree in mechanical engineering. • Experience at spray, atomization simulation, and experiments, machine learning, laser light scattering. • 2 years of experience as a maintenance engineer in a manufacturing company. • Possess strong documentation, reporting, and technical writing skills and publish three ... WebThe 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 …
WebJul 26, 2016 · The geometry of the spray cone during atomization of Ni 31.5Al68.5 in a close-coupled gas atomizer operating with a generic die and nozzle design has been studied utilizing high-speed digital ... WebMar 5, 2024 · Therefore closed-coupled systems are widely used for the production of metal AM powders. Fig. 6 shows schematically the components of such a closed-coupled atomization. The system can be split in three main components: the melting chamber, the atomization chamber, and the powder collecting system.
WebSep 30, 2024 · The two most common types of HPGA atomizers for powder production are close-coupled and free-fall designs, as shown in Fig. 1. In the free-fall design, the liquid melt falls freely for some distance (typically around 100–300 mm) before interacting with the high velocity gas stream.
WebOct 6, 2024 · The present study compares two twin-fluid atomizer concepts based on the airflow (shock waves) pattern obtained through shadowgraph imaging for atomization of water with a low air/water pressure supply. The research work was conducted using the backlight imaging technique for converging (sonic) and converging–diverging …
WebA Coulomb explosion is a "cold" alternative to the dominant laser etching technique of thermal ablation, which depends on local heating, melting, and vaporization of molecules … psp 1000 buttonsWebJul 1, 2010 · While close-coupled gas atomization has been demonstrated for highly controlled production of fine powders in many alloy systems, defense applications for Mg powder demand that such an... horseshoe ranch san antonioWebAug 15, 2024 · The technique of close-coupled gas atomization (CCGA) was developed to increase the yield of fine powder. 23 As shown in Fig. 4 b, the melt is disintegrated by the direct impact of high-pressure gas right below the tip of an extended melt guide tube. psp 1000 housingWebOct 1, 2005 · Generally, high-pressure gas atomization (HPGA) is a close-coupled discrete jet atomization method and is one of the most effective methods of producing such powders. Development of HPGA nozzles ... psp 1000 games downloadWebApr 17, 2015 · The single-phase gas-flow behavior of a closed-coupled gas atomization was investigated with four different melt nozzle tip designs with two types of gas die. Particular attention was paid to the open- to closed-wake transition. Experimental Schlieren imaging and numerical modeling techniques were employed, with good agreement … psp 1000 hardware modsWebSep 28, 2024 · In this paper, on basis of the well-designed close-coupled nozzles with different gas Mach numbers at the outlet, the gas field structure was simulated by CFD … psp 1000 chargerWebMotaman et al.[15,16]studied the back stream flow behavior of single-phase gas during gas atomization in a close-coupled ring slit nozzle. Kaiser et al.[17]used a two-phase flow simulation method to study the impact of close-coupled ring slit nozzles on the gas/molten metal interaction. Zeoli et al.[18–20]used the VOF method and the discrete ... horseshoe rd lancaster pa