Flow phenomenon of micron-sized particles during cold spray additive manufacturing: High-speed optic observation and characterization
Sign Up to like & getrecommendations! Published in 2020 at "Advanced Powder Technology"
DOI: 10.1016/j.apt.2019.12.037
Abstract: Abstract A high-speed laser shadowgraph observation of the particles flow during cold spraying enables a good phenomenological characterization. The particles in-flight behaviour develops a kinematics with two regimes regardless the powder nature. When leaving the… read more here.
Keywords: peek powders; observation; gas velocity; speed ... See more keywords
Hydrodynamic behavior of silicon particles with a wide size distribution in a draft tube spout-fluid bed
Sign Up to like & getrecommendations! Published in 2017 at "Chemical Engineering Journal"
DOI: 10.1016/j.cej.2017.07.071
Abstract: Abstract An experimental study on the hydrodynamic behavior of silicon particles with a wide size distribution in a draft tube spout-fluid bed was performed in a 182 diameter cylindrical column with a flat gas distributor.… read more here.
Keywords: gas velocity; velocity; draft tube;
Experimental limit on the validity of Markstein relation
Sign Up to like & getrecommendations! Published in 2020 at "Experimental Thermal and Fluid Science"
DOI: 10.1016/j.expthermflusci.2020.110129
Abstract: Abstract A PIV-based system has been set-up for the simultaneous measurement of the local propagation velocity and the flame stretch of laminar jet premixed flames. The contributions of the flame front curvature and the strain… read more here.
Keywords: flame; experimental limit; velocity; gas velocity ... See more keywords
Linear instability of viscoelastic planar liquid sheets in the presence of gas velocity oscillations
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Non-Newtonian Fluid Mechanics"
DOI: 10.1016/j.jnnfm.2019.104169
Abstract: Abstract The linear temporal instability of a viscoelastic liquid sheet has been studied here, in the presence of gas velocity oscillations. The Floquet theory was applied to solve this problem. More than one unstable region… read more here.
Keywords: parametric unstable; presence gas; instability viscoelastic; gas velocity ... See more keywords
Mathematical analysis of characteristic pressure fluctuations in a bubbling fluidized bed
Sign Up to like & getrecommendations! Published in 2018 at "Powder Technology"
DOI: 10.1016/j.powtec.2018.04.030
Abstract: Abstract Mathematical analysis methods including statistical, power spectral, and chaos analysis were used to analyze the pressure fluctuations in a bubbling fluidized bed. Different characteristic indicators of pressure fluctuations were calculated such as average pressure,… read more here.
Keywords: gas velocity; fluctuations bubbling; pressure fluctuations; pressure ... See more keywords
Electrical Capacitance Volume Tomography for Characterization of Gas–Solid Slugging Fluidization with Geldart Group D Particles under High Temperatures
Sign Up to like & getrecommendations! Published in 2018 at "Industrial & Engineering Chemistry Research"
DOI: 10.1021/acs.iecr.7b04733
Abstract: A three-dimensional ECVT sensing technique is applied to imaging complex slugging phenomena of a gas–solid fluidized bed under ambient and elevated temperature conditions. The study indicates that the time interval between rising slugs decreases with… read more here.
Keywords: velocity; gas velocity; gas; fluidized bed ... See more keywords
Two types of distribution of the gas velocity dispersion of MaNGA galaxies
Sign Up to like & getrecommendations! Published in 2021 at "Astronomy and Astrophysics"
DOI: 10.1051/0004-6361/202040029
Abstract: The distribution of the gas velocity dispersion sigma across the images of 1146 MaNGA galaxies is analyzed. We find that there are two types of distribution of the gas velocity dispersion across the images of… read more here.
Keywords: gas velocity; velocity dispersion; distribution;
Numerical study on characteristics of spiked electrode electrostatic precipitator
Sign Up to like & getrecommendations! Published in 2024 at "Particulate Science and Technology"
DOI: 10.1080/02726351.2024.2427747
Abstract: Abstract The characteristic of the spiked electrode electrostatic precipitator was numerically studied. The spiked electrode had significant effects on the distribution of electric field and charge density. The electric field and charge density were quite… read more here.
Keywords: spiked electrode; working potential; gas velocity; electrode electrostatic ... See more keywords
The SAMI Galaxy Survey: Impact of star formation and AGN feedback processes on the ionized gas velocity dispersion
Sign Up to like & getrecommendations! Published in 2024 at "Monthly Notices of the Royal Astronomical Society"
DOI: 10.1093/mnras/stae1382
Abstract: We investigate the influence of star formation and instantaneous AGN feedback processes on the ionized gas velocity dispersion in a sample of 1285 emission-line galaxies with stellar masses log (M*/M⊙) ≥ 9 from the integral-field spectroscopy… read more here.
Keywords: velocity dispersion; star; velocity; gas velocity ... See more keywords
The MAGPI Survey: The evolution and drivers of gas turbulence in intermediate-redshift galaxies
Sign Up to like & getrecommendations! Published in 2024 at "Monthly Notices of the Royal Astronomical Society"
DOI: 10.1093/mnras/stae2033
Abstract: We measure the ionised gas velocity dispersions of star-forming galaxies in the MAGPI survey (z ∼ 0.3) and compare them with galaxies in the SAMI (z ∼ 0.05) and KROSS (z ∼ 1) surveys to… read more here.
Keywords: velocity dispersion; gas turbulence; gas; gas velocity ... See more keywords
Correlation between centre offsets and gas velocity dispersion of galaxy clusters in cosmological simulations
Sign Up to like & getrecommendations! Published in 2018 at "Monthly Notices of the Royal Astronomical Society"
DOI: 10.1093/mnras/sty1222
Abstract: The gas is the dominant component of baryonic matter in most galaxy groups and clusters. The spatial offsets of gas centre from the halo centre could be an indicator of the dynamical state of cluster.… read more here.
Keywords: centre offsets; sigma; offsets gas; gas velocity ... See more keywords