A small amount of polymer additives can cause substantial reduction in the energy dissipation and friction loss of turbulent flow. The problem of polymer-induced drag …
Turbulence is ubiquitous in nature, yet even for the case of ordinary Newtonian fluids like water, our understanding of this phenomenon is limited. Many liquids of practical importance …
The use of sedimentary structures as indicators of flow and sediment morphodynamics in ancient sediments lies at the very heart of sedimentology, and allows reconstruction of …
MD Graham - Physics of Fluids, 2014 - pubs.aip.org
Addition of a small amount of very large polymer molecules or micelle-forming surfactants to a liquid can dramatically reduce the energy dissipation it exhibits in the turbulent flow …
Elasto-inertial turbulence (EIT) is a new state of turbulence found in inertial flows with polymer additives. The dynamics of turbulence generated and controlled by such additives …
The goal of the present study is threefold:(i) to demonstrate the two-dimensional nature of the elasto-inertial instability in elasto-inertial turbulence (EIT),(ii) to identify the role of the …
ESG Shaqfeh, B Khomami - Journal of Non-Newtonian Fluid Mechanics, 2021 - Elsevier
The Oldroyd-B fluid has become the starting point for almost all complex flow calculations and analysis involving the behavior of dilute polymer solutions. The reasons for this are …
The effects of polymer stresses on near-wall turbulent structures are examined by using direct numerical simulation of fully developed turbulent channel flows with and without …
Polymer additives can substantially reduce the drag of turbulent flows and the upper limit, the so-called state of 'maximum drag reduction'(MDR), is to a good approximation …