Journal ArticleDOI
Functional Dependence of Drag Coefficient of a Sphere on Reynolds Number
TLDR
An argument on the drag coefficient of a sphere results in the expression C = C0[1 + δ0/(R)1/2]2, which is in remarkable agreement with experiment for a wide range of R.Abstract:
An argument on the drag coefficient of a sphere results in the expression C = C0[1 + δ0/(R)1/2]2where R is Reynolds number, C0δ02 = 24, and δ0 = 9.06This expression is in remarkable agreement with experiment for a wide range of R, i.e., 0 ≤ R ≲ 5000.read more
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Sea Salt Aerosol Production: Mechanisms, Methods, Measurements, and Models - A Critical Review
TL;DR: In this paper, Sea salt aerosol (SSA) particles interact with other atmospheric gaseous and aerosol constituents by acting as sinks for condensable gases and suppressing new particle formation, thus influencing the size distribution of other aerosols and more broadly influencing the geochemical cycles of substances with which they interact.
Journal ArticleDOI
Proteus: a direct forcing method in the simulations of particulate flows
TL;DR: Proteus as mentioned in this paper is a direct numerical method for the simulation of particulate flows that combines desired elements of the immersed boundary method, the direct forcing method and the lattice Boltzmann method.
Journal ArticleDOI
A short note on the drag correlation for spheres
Richard Turton,Octave Levenspiel +1 more
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Particle imaging velocimetry experiments and lattice-Boltzmann simulations on a single sphere settling under gravity
TL;DR: In this article, a comparison is made between experiments and simulations on a single sphere settling in silicon oil in a box, where the simulation results show that the simulation can capture the full transient behavior of both the sphere motion and the fluid motion.
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Cloud microphysics: Analysis of the clouds of Earth, Venus, Mars and Jupiter
TL;DR: In this paper, the probable microphysics of a cloud is deduced by a described method which requires information on cloud particle mean size, composition, number density, and atmospheric structure, but does not require any additional information.
References
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Boundary layer theory
TL;DR: The flow laws of the actual flows at high Reynolds numbers differ considerably from those of the laminar flows treated in the preceding part, denoted as turbulence as discussed by the authors, and the actual flow is very different from that of the Poiseuille flow.
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Drag coefficient and terminal velocity of spherical and nonspherical particles
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