Results 61 to 70 of about 9,452 (298)

Innovative Processing of Compacted Waste Aluminum Alloy Powders via Controlled Remelting and Solidification

open access: yesAdvanced Engineering Materials, EarlyView.
This study demonstrates an efficient recycling route for out‐of‐spec AlSi10Mg atomized powders through compaction and arc remelting followed by suction casting. By correlating compaction load, cooling rate, and resulting microstructure, we show that intermediate pressures (50–80 kN) and rapid cooling refine dendrites, reduce porosity, and enhance ...
Mila Christy de Oliveira   +4 more
wiley   +1 more source

Influences of Flow Channel Structure on Performance of Tubular Gas-Liquid Atomization Mixer

open access: yesShiyou jixie, 2023
The tubular gas-liquid atomization mixer can atomize the liquid absorbent into micron-level droplets in a limited tubular space to achieve efficient gas-liquid mixing,thereby significantly increasing the gas-liquid contact area and enhancing the gas ...
Sun Huan   +6 more
doaj  

Diesel spray atomization model considering nozzle exit turbulence conditions

open access: yes, 2019
Art atomization model for plain-orifice diesel fuel sprays is developed. It considers both turbulent fluctuation in the jet flow and wave growth by gas inertia force due to the jet velocity. The atomization model developed is implemented as a module into
Koo, JY, Lee, EJ, Huh, KY
core   +1 more source

Atomization of liquid droplets in a convective gas stream [PDF]

open access: yes, 1972
New experimental results are reported for the atomization of liquid droplets by a high-speed air stream. A series of experiments are described in which water droplets, ranging in diameter from 1000 to 2700 [mu], were introduced into the test section of a
Nicholls, James Arthur   +1 more
core   +1 more source

Productivity‐Driven Optimization of Laser Powder Bed Fusion Parameters for IN718 Superalloy: Process Control, Microstructure, and Mechanical Properties

open access: yesAdvanced Engineering Materials, EarlyView.
This study demonstrates how optimizing laser power, scanning speed, and hatching distance in laser powder bed fusion can boost the productivity of Inconel 718 manufacturing by up to 29% while maintaining mechanical integrity. The work delivers a validated process window and cost–time analysis, offering industry‐ready guidelines for efficient additive ...
Amir Behjat   +7 more
wiley   +1 more source

Where is the neutral atomic gas in Hickson groups? [PDF]

open access: yesAstronomy & Astrophysics, 2001
We have analyzed the total HI contents of 72 Hickson compact groups of galaxies (HCGs) and the detailed spatial distributions and kinematics of HI within a subset of 16 groups using the high angular resolution observations obtained with the VLA in order to investigate a possible evolutionary scenario for these densest systems in the present day galaxy ...
Verdes-Montenegro, L   +5 more
openaire   +3 more sources

The optimization of oil operation for a dry low NOx gas turbine combustor [PDF]

open access: yes, 1999
As the market for Gas Turbines becomes more aggressive, and the legislation for emissions more stringent, manufacturers are looking for better ways of becoming competitive.
Lloyd, Jonathan
core  

Time‐Dependent Oxidation and Scale Evolution of a Wrought Co/Ni‐Based Superalloy

open access: yesAdvanced Engineering Materials, EarlyView.
This study shows how a new wrought Co/Ni‐based superalloy resists oxidation at 800 ∘$^\circ$C. The oxide scale changes from rough, fast‐growing spinel to a dense, protective chromia–alumina layer. Atom probe analysis reveals tiny refractory‐rich bubbles at the interface that mark the transition to long‐term, diffusion‐controlled protection ...
Cameron Crabb   +6 more
wiley   +1 more source

Observation of a Two-Dimensional Fermi Gas of Atoms [PDF]

open access: yesPhysical Review Letters, 2010
We have prepared a degenerate gas of fermionic atoms which move in two dimensions while the motion in the third dimension is "frozen" by tight confinement and low temperature. {\it In situ} imaging provides direct measurement of the density profile and temperature.
Martiyanov, Kirill   +2 more
openaire   +3 more sources

Studies on liquid sheet disintegration in airblast atomizers [PDF]

open access: yes, 1976
The work in this thesis has been devoted to studying the influence of liquid film thickness on the characteristics of airblast atomizers. The research was carried out using two special atomizers that were both designed to produce flat liquid sheets ...
Rizk, N. K.
core  

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