Articles with "number density" as a keyword



Optimizing Size and Number Density of Al3Zr Dispersoids in Al–Zn–Mg–Cu Alloys

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Published in 2024 at "Advanced Engineering Materials"

DOI: 10.1002/adem.202400353

Abstract: The formation and temporal evolution of Al3Zr dispersoids in an Al–Zn–Mg–Cu alloy is investigated by in situ small‐angle X‐ray scattering during different homogenization treatments. The aim is to determine the most effective homogenization parameters for… read more here.

Keywords: number; homogenization; al3zr dispersoids; size ... See more keywords

Prediction of Particle Number Density in Suspension by Measuring the Sizes of Bubbles Generated During Microwave Irradiation

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Published in 2021 at "Crystal Research and Technology"

DOI: 10.1002/crat.202000160

Abstract: Past studies report that nucleation promotion is induced by quick heating of microwave in nanoparticle synthesis. However, how the nucleation promotion quantitatively affects particle number density is still unclear. In this study, the number density… read more here.

Keywords: particle number; number density; irradiation; number ... See more keywords

VolDen: A tool to extract number density from the column density of filamentary molecular clouds

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Published in 2024 at "Journal of Astrophysics and Astronomy"

DOI: 10.1007/s12036-024-10033-9

Abstract: Gas volume density is one of the critical parameters, along with dispersions in magnetic field position angles and non-thermal gas motions, for estimating the magnetic field strength using the Davis–Chandrasekhar–Fermi (DCF) relation or through its… read more here.

Keywords: column density; extract number; density; number density ... See more keywords

Emission Studies of Silicon Plasma Produced by a Nd: YAG Laser

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Published in 2017 at "Silicon"

DOI: 10.1007/s12633-017-9573-6

Abstract: In the present experimental work emission studies of silicon (Si) plasma produced by the fundamental (1064 nm) and second (532 nm) harmonics of a Nd: YAG laser are studied. The electron temperature measurements have been… read more here.

Keywords: electron temperature; plasma; laser; number density ... See more keywords

Estimation of biodiesel cetane number, density, kinematic viscosity and heating values from its fatty acid weight composition

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Published in 2018 at "Fuel"

DOI: 10.1016/j.fuel.2018.02.187

Abstract: Abstract A detailed statistical investigation was conducted in order to correlate some important biodiesel properties with the respective methyl ester weight composition in fatty acids. The examined properties were cetane number, density, kinematic viscosity and… read more here.

Keywords: kinematic viscosity; heating values; cetane number; number density ... See more keywords

Large-scale clustering of coherent fine-scale eddies in a turbulent mixing layer

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Published in 2018 at "International Journal of Heat and Fluid Flow"

DOI: 10.1016/j.ijheatfluidflow.2018.05.007

Abstract: Abstract Clustering of coherent fine-scale eddies in a turbulent mixing layer has been analyzed by using direct numerical simulation (DNS) data at Reλ ≃ 250. The coherent fine-scale eddies are defined based on the second invariant of… read more here.

Keywords: large scale; fine scale; scale eddies; coherent fine ... See more keywords

Numerical calculation of the reflection, absorption and transmission of a nonuniform plasma slab based on FDTD

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Published in 2018 at "Optik"

DOI: 10.1016/j.ijleo.2018.03.118

Abstract: Abstract In this paper, reflection, absorption and transmission characteristics of nonuniform plasma layer with varying electron number density are analyzed. The plasma number density profile is parabolic. Finite-difference time-domain (FDTD) and subslabs approximation methods are… read more here.

Keywords: absorption; plasma; transmission; number density ... See more keywords

Modelling of the evolution of a droplet cloud in a turbulent flow

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Published in 2018 at "International Journal of Multiphase Flow"

DOI: 10.1016/j.ijmultiphaseflow.2018.02.014

Abstract: The effects of droplet inertia and turbulent mixing on the droplet number density distribution in a turbulent flow field are studied. A formulation of the turbulent convective diffusion equation for the droplet number density, based… read more here.

Keywords: droplet; field; droplet number; number density ... See more keywords

Effect of irradiation temperature on microstructure of ferritic-martensitic ODS steel

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Published in 2017 at "Journal of Nuclear Materials"

DOI: 10.1016/j.jnucmat.2017.06.024

Abstract: Abstract The EUROFER-ODS alloy with 0.5% Y 2 O 3 was neutron irradiated with doses up to 16.2 dpa at 250 °C, 350 °C and 450 °C. The radiation induced changes in the microstructure (e.g. dislocation loops and… read more here.

Keywords: irradiation temperature; number density;

Microstructure evolution in MA956 neutron irradiated in ATR at 328 °C to 4.36 dpa

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Published in 2020 at "Journal of Nuclear Materials"

DOI: 10.1016/j.jnucmat.2020.152094

Abstract: Abstract MA956 is an iron-chromium-aluminum (FeCrAl) based oxide dispersion strengthened (ODS) alloy produced by mechanical alloying. The alloy was irradiated in the Advanced Test Reactor (ATR) at 328 °C up to 4.36 dpa with both thermal… read more here.

Keywords: atr 328; dislocation; 328 dpa; microstructure evolution ... See more keywords

Estimation of the plasma sheath thickness and particle number density in the axial phase of plasma coaxial accelerator

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Published in 2017 at "Vacuum"

DOI: 10.1016/j.vacuum.2017.01.027

Abstract: Abstract The snow plow model and shock wave equations are used to simulate the plasma sheath motion in the axial phase of the coaxial accelerator. The model is elaborated to calculate the sheath velocity and… read more here.

Keywords: plasma sheath; sheath thickness; particle number; density ... See more keywords