Results 51 to 60 of about 211,330 (300)

Four-vortex motion around a circular cylinder

open access: yes, 2013
The motion of two pairs of counter-rotating point vortices placed in a uniform flow past a circular cylinder is studied analytically and numerically. When the dynamics is restricted to the symmetric subspace---a case that can be realized experimentally ...
Föppl L.   +6 more
core   +1 more source

On the hydrodynamics and heat convection of an impinging external flow upon a cylinder with transpiration and embedded in a porous medium [PDF]

open access: yes, 2017
This paper extends the existing studies of heat convection by an external flow impinging upon a flat porous insert to that on a circular cylinder inside a porous medium.
Alizadeh, Ahmed   +3 more
core   +2 more sources

Low‐Angle Grain Boundaries and Re‐Segregation in Single‐Crystalline Ni‐Base Superalloys

open access: yesAdvanced Engineering Materials, EarlyView.
This work demonstrates that Re‐segregation at low‐angle grain boundaries (LAGBs) in Ni‐base superalloys is influenced by misorientation angle. Advanced microscopy and atom probe tomography reveal that higher misorientation angles increases Re‐segregation.
Alireza B. Parsa   +9 more
wiley   +1 more source

Effect of High Porosity Screen on the Near Wake of a Circular Cylinder

open access: yesEPJ Web of Conferences, 2013
The change in flow characteristics downstream of a circular cylinder (inner cylinder) surrounded by a permeable cylinder (outer cylinder) made of a high porosity screen was investigated in shallow water using Particle Image Velocimetry (PIV) technique ...
Sahin B., Akilli H., Ozkan G.M.
doaj   +1 more source

Investigating the effect of rotational degree of freedom on a circular cylinder at low reynolds number in cross flow [PDF]

open access: yes, 2011
Numerical simulations of Vortex-Induced Vibrations (VIV) of a circular cylinder in cross flow with a rotational degree of freedom about its axis have been carried out by means of a finite-volume method.
Bahai, H, Madani, SH, Wissink, J
core   +1 more source

Accelerated micropolar fluid--flow past an uniformly rotating circular cylinder

open access: yes, 2016
In this paper, we formulated the non-steady flow due to the uniformly accelerated and rotating circular cylinder from rest in a stationary, viscous, incompressible and micropolar fluid.
Siddiqui, Abuzar Abid
core   +2 more sources

Affecting the Properties of Copper–Graphene Electroconductive Composite by Severe Plastic Deformation

open access: yesAdvanced Engineering Materials, EarlyView.
Copper‐based composites enhanced with carbon feature convenient mechanical properties and favorable electric conductivity. Processing via deformation and thermomechanical treatments can introduce advantageous microstructures further enhancing their performance. Herein, copper–graphene powder‐based composites are directly consolidated via rotary swaging
Radim Kocich   +3 more
wiley   +1 more source

STUDI EKSPERIMENTAL PERBANDINGAN ALIRAN MELINTASI DUA SILINDER SIRKULAR DAN SILINDER ELIPS TERSUSUN TANDEM DAN INTERAKSINYA TERHADAP DINDING DATAR

open access: yesRotor: Jurnal Ilmiah Teknik Mesin, 2012
The study was conducted to obtain information about the characteristics of fluid flow that touches the surface of the bluff body. Bluff body in the form of circular and elliptical cylinders and brought near a wall.
Helmizar Helmizar
doaj  

Refined One Relaxation Time-Fractional Theory for the Thermoelastic Response of Circular Cylinders with Variable Thermal Conductivity

open access: yesMathematics
The fractional thermoelasticity theory is presented for the thermal response of a circular cylinder. The basic equations of the cylinder are derived from a fractional theory in the context of the generalized Lord and Shulman theory.
Abdulah A. Alghamdi, Ashraf M. Zenkour
doaj   +1 more source

Investigation of a drag reduction on a circular cylinder in rotary oscillation [PDF]

open access: yes, 2001
Drag reduction in two-dimensional flow over a circular cylinder, achieved using rotary oscillation, was investigated with computational simulations. In the experiments of Tokumaru & Dimotakis (1991), this mechanism was observed to yield up to 80% drag ...
Leonard, A., Shiels, D.
core   +1 more source

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