Topic
Pipe flow
About: Pipe flow is a research topic. Over the lifetime, 13826 publications have been published within this topic receiving 351605 citations.
Papers published on a yearly basis
Papers
More filters
TL;DR: In this paper, direct numerical simulation (DNS) and Lagrangian tracking is used to study turbulent transfer and deposition of inertial particles in vertical upward circular pipe flow, and the connection between particle transfer mechanisms and turbulence structure in the boundary layer is examined.
132 citations
TL;DR: In this article, the turbulent flowfield in a tube heated uniformly from the wall has been experimentally studied when fluid is injected tangentially, and two major mechanisms for enhancement of heat transfer are identified: (1) high maximum axial velocity near the wall produces higher heat flux, and (2) high turbulence level in the middle region of the tube improves mixing and, thus, the rate of he.at transfer.
132 citations
TL;DR: In this paper, the nonlinear dynamics of a hinged-hinged pipe conveying pulsatile fluid subjected to combination and principal parametric resonance in the presence of internal resonance is investigated.
132 citations
TL;DR: In particular, the transition depends sensitively on initial conditions and the turbulent state is not persistent but has an exponential distribution of lifetimes as discussed by the authors, and coherent structures are embedded within the turbulent dynamics, which transiently show up in the temporal evolution of turbulent flow.
Abstract: Plane Couette flow and pressure-driven pipe flow are two examples of flows where turbulence sets in while the laminar profile is still linearly stable. Experiments and numerical studies have shown that the transition has features compatible with the formation of a strange saddle rather than an attractor. In particular, the transition depends sensitively on initial conditions and the turbulent state is not persistent but has an exponential distribution of lifetimes. Embedded within the turbulent dynamics are coherent structures, which transiently show up in the temporal evolution of the turbulent flow. Here we summarize the evidence for this transition scenario in these two flows, with an emphasis on lifetime studies in the case of plane Couette flow and on the coherent structures in pipe flow.
132 citations
TL;DR: A new vortex-generator model is introduced, the jBAY model, which provides an efficient method for computational-fluid-dynamics (CFD) simulation of flow systems with vortex-Generator arrays.
Abstract: A new vortex-generator model is introduced, the jBAY model, which provides an efficient method for computational-fluid-dynamics (CFD) simulation of flow systems with vortex-generator arrays. The ...
131 citations