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   Articles with "density ratios" as a keyword



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An SPH multi-fluid model based on quasi-buoyancy for interface stabilization up to high density ratios and realistic wave speed ratios

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recommendations! Published in 2018 at "International Journal for Numerical Methods in Fluids"

DOI: 10.1002/fld.4498

Abstract: We introduce a Smoothed Particle Hydrodynamics (SPH) concept for the stabilization of the interface between two fluids. It is demonstrated that the change in the pressure gradient across the interface leads to a force imbalance.… read more here.

Keywords: wave speed; interface; speed ratios; multi fluid ... See more keywords

Model and algorithmic augmentation in phase field method for simulating the pool boiling phenomenon with high-density ratio

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recommendations! Published in 2025 at "Physics of Fluids"

DOI: 10.1063/5.0244235

Abstract: Although the dynamic van der Waals model has great potential in numerically simulating pool boiling, it is still limited to low liquid–vapor density ratios (about 10:1) due to the inherent thermodynamic inconsistency. This study proposes… read more here.

Keywords: liquid vapor; pool boiling; model; vapor ... See more keywords

Temperature characteristics of K-Rb hybrid optically pumped magnetometers with different density ratios.

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recommendations! Published in 2019 at "Optics express"

DOI: 10.1364/oe.27.008037

Abstract: Optically pumped magnetometers (OPMs) that are equipped with hybrid cells of K and Rb have been studied for improving their sensitivity and biomagnetic field measurements. The densities of the two alkali metal atoms and their… read more here.

Keywords: temperature characteristics; optically pumped; density ratios; density ... See more keywords

Spin polarization characteristics of hybrid optically pumped comagnetometers with different density ratios.

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recommendations! Published in 2022 at "Optics express"

DOI: 10.1364/oe.463651

Abstract: We investigate the effects of the density ratio of K-Rb hybrid cells on the alkali metal-noble gas comagnetometers. Bloch equations simplified with the density ratio and average-pumping-rate model are presented for numerical simulation, which simplifies… read more here.

Keywords: density; different density; density ratios; density ratio ... See more keywords