Granular dynamics in a swirled annulus
WebNov 1, 1998 · A swirled annular channel is introduced that is suited to study the dynamics of granular arrays. We uncover the mechanism that is responsible for the change of the … WebMay 1, 2000 · Granular dynamics in a swirled annulus. Article. Nov 1998; ... Andreas Engel; Ingo Rehberg; A swirled annular channel is introduced that is suited to study the …
Granular dynamics in a swirled annulus
Did you know?
WebA swirled annular channel is introduced that is suited to study the dynamics of granular arrays. We uncover the mechanism that is responsible for the change of the sense of … WebMay 4, 2011 · Abstract. We experimentally investigate the mechanical behaviour in cyclic shear of a granular material near a solid wall in a pressure controlled annular shear cell. The use of a model system (glass beads and saw-tooth shaped solid surface) enables the study of the influence of the wall roughness. After an initial shakedown procedure …
WebJan 1, 2002 · We report measurements on five such systems, namely pattern formation of granular material i) by segregation, under the influence of ii) linear horizontal and iii) circular horizontal vibration, iv) water shear flow, and in v) a sedimenting suspension. Keywords Granular Material Discrete Element Method Vertical Vibration Glass Sphere Mustard Seed WebDec 7, 2012 · We perform an experimental study of granular impact, where intruders strike 2D beds of photoelastic disks from above. High-speed video captures the intruder dynamics and the local granular force response, allowing investigation of grain-scale mechanisms in this process. We observe rich acoustic behavior at the leading edge of the intruder, …
WebOct 15, 2024 · Gas turbine combustors often use swirling flows to generate central-toroidal recirculation zones for flame stabilization. The characteristics of a central-toroidal … WebJul 8, 2024 · @article{osti_1611755, title = {Geometric frustration induces the transition between rotation and counterrotation in swirled granular media}, author = {Lee, Lisa M. …
WebNov 1, 2002 · The experimental arrangement consists of an annular channel that contains the granular material. One surface, say the upper surface, rotates so as to shear the material contained in the annulus. ... In the DE modeling, we analyze dynamics of a sheared granular system in Couette geometry in two (2D) and three (3D) space …
WebMay 19, 2024 · Swirling gas flow is an important topic of research that helps in the design of rockets, atomizers,and gas turbine combustors. In the present work, swirl flow inside annular geometries with constant and varying cross-sectional areas are examined using computational fluid dynamics (CFD). Effects of changing the flow and geometric … e2tr-36whWebOct 11, 2014 · spheres material: bronze; channel width: 10.5 mm; driv in g frequency: 2.5 Hz. lide and low on the opposite side of the channel. The region. of maximum pack in g … csg mountvilleWebMar 10, 2024 · An experimental investigation was performed in a premixed annular combustor equipped with multiple swirl, bluff body burners to assess the ignition probability and to provide insights into the mechanisms of failure and of successful flame propagation. csg motors amershamWebIn understanding the dynamics of granular systems, a discrete modeling approach tracks the motion of all particles. Such an approach is computationally demanding especially … e-2 treaty countryWebSep 25, 2024 · We report on a series of experiments in which a grain-sized intruder is pushed by a spring through a two-dimensional granular material composed of photoelastic disks in a Couette geometry. e2 to f5 vocal rangeWebFeb 1, 2008 · Generally, a spouted bed consists of essentially two distinct regions: a dilute phase core of upward gas–solid mixtures called the spout, and a surrounding region of downward quasi-static granular flow called the annulus. e2 to f5WebMar 29, 2024 · Abstract. We experimentally study thermoacoustic transitions in an annular combustor consisting of sixteen premixed, swirl-stabilized turbulent flames. We show the changes in the characteristics of bifurcations leading to the state of longitudinal thermoacoustic instability (TAI) when equivalence ratio and bulk velocity are … e 2 u of chicago llc