Topic
Hele-Shaw flow
About: Hele-Shaw flow is a research topic. Over the lifetime, 5451 publications have been published within this topic receiving 151320 citations.
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TL;DR: In this article, a three-dimensional multiphase Smoothed Particle Hydrodynamics (SPH) model was used to simulate surface tension dominated flow on smooth fracture surfaces.
45 citations
TL;DR: In this article, a dynamical study of the flow in an asymmetrically heated vertical plane channel has been conducted experimentally in water for three aspect ratios and for a range of modified Rayleigh numbers corresponding to the boundary layer flow regime.
45 citations
TL;DR: In this article, the energy loss due to viscosity friction in plane Couette flow and Taylor-Couette flow between concentric rotating cylinders is studied in detail for various flow conditions.
45 citations
TL;DR: In this paper, numerical simulations of the three-dimensional fluid flow in a two-sided non-facing lid-driven cubical cavity are presented, and the transition to unsteadiness follows the classical scheme of a Hopf bifurcation.
44 citations
TL;DR: This work provides a method for incorporating the findings from models of eddy-viscosity-type into second-order models, and vice versa, and the effect of helicity controlling energy-cascade processes is incorporated into a second- order model.
Abstract: A gap between eddy-viscosity-type and second-order models is bridged using the results of a two-scale direct-interaction approximation developed for the study of turbulent shear flows. This work provides a method for incorporating the findings from models of eddy-viscosity-type into second-order models, and vice versa. Specifically, the effect of helicity controlling energy-cascade processes is incorporated into a second-order model. Then, a higher-order eddy-viscosity-type expression for the Reynolds stress is derived through the application of an iterative approximation to the second-order model. The latter result is tested in a turbulent rotating channel flow and its usefulness is confirmed. Effects of flow trajectory are also discussed in the context of the effect of an adverse pressure gradient on the isotropic eddy viscosity.
44 citations