Results 51 to 60 of about 254,963 (201)

Unsteady forces on an accelerating plate and application to hovering insect flight [PDF]

open access: yes, 2004
The aerodynamic forces on a flat plate accelerating from rest at fixed incidence in two-dimensional power-law flow are studied analytically and numerically.
Pullin, D. I., Wang, Z. Jane
core   +1 more source

Granular circulation in a cylindrical pan: simulations of reversing radial and tangential flows

open access: yes, 2006
Granular flows due to simultaneous vertical and horizontal excitations of a flat-bottomed cylindrical pan are investigated using event-driven molecular dynamics simulations.
B. D. Lubachevsky   +8 more
core   +1 more source

Climate dynamics and fluid mechanics: Natural variability and related uncertainties

open access: yes, 2010
The purpose of this review-and-research paper is twofold: (i) to review the role played in climate dynamics by fluid-dynamical models; and (ii) to contribute to the understanding and reduction of the uncertainties in future climate-change projections. To
Allen   +113 more
core   +1 more source

Delay of vortex ring pinchoff by an imposed bulk counterflow [PDF]

open access: yes, 2004
The Kelvin–Benjamin variational principle has been previously used to predict that vortex ring pinchoff can be delayed if the energy of the leading vortex ring is decreased during formation and/or the energy delivered by the vortex generator is increased.
Dabiri, John O., Gharib, Morteza
core   +1 more source

Computational fluid dynamic simulations of a cavopulmonary assist device for failing Fontan circulation [PDF]

open access: yesThe Journal of Thoracic and Cardiovascular Surgery, 2019
Adult patients who have undergone the Fontan procedure are highly vulnerable to gradual, progressive circulatory failure, and options to reverse this situation are few. A cavopulmonary assist device could decongest the venous and lymphatic systems, overcome elevated pulmonary vascular resistance, increase cardiac output, and support some of these ...
Lin, W C Patrick   +5 more
openaire   +3 more sources

Computational fluid dynamics dataset of secondary air modification in a circulating fluidized bed boiler

open access: yesData in Brief, 2023
Computer simulation has been proven to provide a good understanding of engineering phenomenon. This work presents numerical simulation results on secondary air jet penetration into a dense phase of a three-dimensional fluidized bed at a commercial scale.
Nurdin Hasananto Teguh   +3 more
openaire   +3 more sources

Computational fluid dynamics study of yield power law drilling fluid flow through smooth-walled fractures

open access: yesJournal of Petroleum Exploration and Production Technology, 2019
Presence of natural fractures in sub-surface makes an oil well drilling operation very challenging. As one of the major functions of drilling mud is to maintain bottomhole pressure inside a wellbore to avoid any invasion of unwanted high-pressure influx (
Faysal Ahammad   +2 more
doaj   +1 more source

Lyapunov Exponents of Two Stochastic Lorenz 63 Systems [PDF]

open access: yes, 2019
Two different types of perturbations of the Lorenz 63 dynamical system for Rayleigh-Benard convection by multiplicative noise -- called stochastic advection by Lie transport (SALT) noise and fluctuation-dissipation (FD) noise -- are found to produce ...
Geurts, Bernard J.   +2 more
core   +3 more sources

Simulation and optimization of airlift external circulation membrane bioreactor using computational fluid dynamics [PDF]

open access: yesWater Science and Technology, 2014
The airlift external circulation membrane bioreactor (AEC-MBR) is a new MBR consisting of a separated aeration tank and membrane tank with circulating pipes fixed between the two tanks. The circulating pipe is called a H circulating pipe (HCP) because of its shape.
Zhang, Qing   +3 more
openaire   +2 more sources

Optimization of Meridional Flow Channel Design of Pump Impeller

open access: yesInternational Journal of Rotating Machinery, 2004
The meridional flow channel design of a pump impeller affects its performance. However, since so many design parameters exist, a new design method is proposed in which a meridional and blade-to-blade flow channel is designed by the parallel use of the ...
Sunao Miyauchi   +3 more
doaj   +1 more source

Home - About - Disclaimer - Privacy