Roles of drag reducing polymers in single-and multi-phase flows

A Abubakar, T Al-Wahaibi, Y Al-Wahaibi… - … research and design, 2014 - Elsevier
It has become a well-known fact that finding sustainable solutions to the unavoidable high
pressure losses accompanying pipeline flows to increase the pumping capacity without …

Vorticity dynamics on boundaries

JZ Wu, JM Wu - Advances in applied mechanics, 1996 - Elsevier
Publisher Summary This chapter focuses on vorticity dynamics on boundaries. One of the
central problems in vorticity and vortex dynamics is the interaction of vorticity field and …

Flux tube texture of the solar wind: Strands of the magnetic carpet at 1 AU?

JE Borovsky - Journal of Geophysical Research: Space …, 2008 - Wiley Online Library
It is argued here that the inner heliosphere is filled with a network of entangled magnetic flux
tubes and that the flux tubes are fossil structures that originate at the solar surface. 65,860 …

The dynamics of strong turbulence at free surfaces. Part 1. Description

M Brocchini, DH Peregrine - Journal of Fluid Mechanics, 2001 - cambridge.org
A free surface may be deformed by fluid motions; such deformation may lead to surface
roughness, breakup, or disintegration. This paper describes the wide range of free-surface …

Direct numerical simulation of turbulent open channel flows at moderately high Reynolds numbers

J Yao, X Chen, F Hussain - Journal of Fluid Mechanics, 2022 - cambridge.org
Well-resolved direct numerical simulations of turbulent open channel flows (OCFs) are
performed for friction Reynolds numbers up to. In summary, the free surface in OCFs plays …

A numerical study of free‐surface turbulence in channel flow

Y Pan, S Banerjee - Physics of Fluids, 1995 - pubs.aip.org
Direct numerical simulations of open‐channel flow indicate that turbulence at the free
surface contains large‐scale persistent structures. They are ''upwellings''caused by …

MHD turbulence in the Earth's plasma sheet: Dynamics, dissipation, and driving

JE Borovsky, HO Funsten - Journal of Geophysical Research …, 2003 - Wiley Online Library
The turbulent flows and tangled magnetic fields of the Earth's plasma sheet are explored
theoretically and by means of ISEE‐2 plasma and magnetic‐field measurements. The goal …

Direct numerical simulation of near‐interface turbulence in coupled gas‐liquid flow

P Lombardi, V De Angelis, S Banerjee - Physics of Fluids, 1996 - pubs.aip.org
Turbulence at gas-liquid interfaces plays a dominant role in determining transport processes
in many chemical engineering and environmental problems. For example, the design of gas …

Direct numerical simulation of vortex structures and turbulent scalar transfer across a free surface in a fully developed turbulence

R Nagaosa - Physics of Fluids, 1999 - pubs.aip.org
Dynamics of well-organized tube-like coherent structures under a free surface and turbulent
scalar transfer across the free surface in fully developed turbulent flow in an open channel is …

An experimental investigation of the characteristics of free-surface turbulence in channel flow

S Kumar, R Gupta, S Banerjee - Physics of fluids, 1998 - pubs.aip.org
The structural features of turbulence at the free surface of a channel flow have been
experimentally investigated. The experiments were conducted in a horizontal channel of …