Mass transfer to freely suspended particles at high Péclet number
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DOI: 10.1017/jfm.2020.1177
Abstract: Abstract In a theoretical analysis, we generalise well-known asymptotic results to obtain expressions for the rate of transfer of material from the surface of an arbitrary, rigid particle suspended in an open pathline flow at… read more here.
Keywords: freely suspended; number; clet number; surface flux ... See more keywords
Péclet-number dependence of small-scale anisotropy of passive scalar fluctuations under a uniform mean gradient in isotropic turbulence
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DOI: 10.1017/jfm.2020.419
Abstract: We study passive scalar fluctuations convected by statistically stationary homogeneous isotropic turbulence under a uniform mean scalar gradient. In order to elucidate the parameter dependence of small-scale statistics of scalar fluctuations, we conduct direct numerical… read more here.
Keywords: clet number; passive scalar; number; unicode stix ... See more keywords
Blind zones in radiating dispersion at high Péclet number driven by non-Newtonian fluids in porous media
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DOI: 10.1017/jfm.2024.306
Abstract: Abstract A wide range of environmental, energy, medical and biological processes rely on dispersive transport through complex media. Yet, because of the stagnant and opaque nature of the microscopic system, the role of disordered flow… read more here.
Keywords: blind zones; clet number; porous media; high clet ... See more keywords
Large Péclet number forced convection from a circular wire in a uniform stream: hybrid approximations at small Reynolds numbers
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DOI: 10.1017/s0956792524000147
Abstract: We consider heat or mass transport from a circular cylinder under a uniform crossflow at small Reynolds numbers, $\mathrm{Re}\ll 1$ . This problem has been thwarted in the past by limitations inherent in the classical… read more here.
Keywords: number; small reynolds; problem; large clet ... See more keywords