Longitudinal vortices in granular flows
Web23 de set. de 2004 · Nature - A Taylor vortex analogy in granular flows. Skip to main content. ... Forterre, Y. & Pouliquen, O. Longitudinal vortices in granular flows. Phys. Rev. Lett. 86, 5886–5889 (2001) Web20 de jun. de 2002 · Boundary effects in gravity-driven, dense granular flows down inclined planes are studied using large-scale molecular dynamics simulations. We find that the flow behavior and structure of the flowing pile changes dramatically as we vary the roughness of the supporting base.
Longitudinal vortices in granular flows
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Web25 de jun. de 2001 · Measurements of the surface velocities imply that this instability is associated with the formation of longitudinal vortices in the granular flow. From the … Web30 de ago. de 2001 · Stability Analysis of Rapid Granular Chute Flows: Formation of Longitudinal Vortices Yoel Forterre, Olivier Pouliquen In a recent article (Forterre, PRL, 2001), we have reported a new instability observed in rapid granular flows down inclined planes that leads to the spontaneous formation of longitudinal vortices.
WebWe present a new instability observed in rapid granular flows down rough inclined planes. For high inclinations and flow rates, the free surface of the flow... Skip to main content. Due to a planned power outage on Friday, 1/14, between … Web17 de jan. de 2002 · Figure 1: Instability of interface between shearing granular streams. Views from above of a sheared granular chute flow: flow is from left to right. Growth of the wavy instability occurs as the ...
WebWe report on laterally confined granular flow experiments on steep slopes. We provide evidences for the existence of di_erent flow regimes with secondary flows. At moderate … WebIn a recent article ([Forterre & Pouliquen 2001]), we have reported a new instability observed in rapid granular flows down inclined planes that leads to the spontaneous formation of longitudinal vortices. From the experimental observations, we have proposed an instability mechanism based on the coupling between the flow and the granular temperature in …
Web19 de nov. de 2024 · 1 Key Laboratory of Mountain Hazards and Earth Surface Process, Institute of Mountain Hazards and Environment, Chinese Academy of Sciences, Chengdu 610000, China; 2 University of Chinese Academy of Sciences, Beijing 100000, China; 3 China–Pakistan Joint Research Center on Earth Sciences, CAS-HEC; 4 Department of …
WebIn a recent article (Forterre & Pouliquen 2001), we have reported a new instability observed in rapid granular flows down inclined planes that leads to the spontaneous formation of longitudinal vortices. From the experimental observations, we have proposed an instability mechanism based on the coupling between the flow and the granular temperature in … 黙祷 英語 やり方Web15 de set. de 2024 · The current work provides a detailed characterization of the turbulence structure in the near-wake of a blunt-based cylinder aligned at zero angle-of-attack in a Mach 2.49 freestream. Particular emphasis is placed in this work on the identification of turbulence mechanisms in the flow regions both upstream of, and in the immediate … 黙食 ポスター 愛知県Web11 de abr. de 2024 · Illustration of a major problem for natural laminar flow on swept surfaces: Crossflow Instability. For sweep >10deg, spanwise pressure gradients in BL lead to longitudinal corotating vortices. Even in favourable chordwise pressure gradients, amplification and transition can occur . 11 Apr 2024 11:00:21 黴 読み方 音読みWeb7 de ago. de 2007 · We outline an extension of the hydrodynamic equations for dense flows of identical, inelastic spheres that incorporates an additional length scale in the expression for the collisional rate of dissipation. This length … 黙秘犯 あらすじWebHá 2 dias · In the study, researchers develop the mathematical equations that describe this new type of superconductivity in thick, three-dimensional materials, and observe their behavior in the laboratory. The authors suggest that this new mechanism could open a door towards developing room-temperature superconductivity — a “holy grail” in the field. 鼎 おせちWebLongitudinal vortices in granular flows (Q74053741) From Wikidata. Jump to navigation Jump to search. scientific article published on 01 June 2001. edit. Language Label Description Also known as; English: Longitudinal vortices in granular flows. scientific article published on 01 June 2001. Statements. instance of. tasmania train mapWeb29 de jun. de 2024 · This kind of granular flow dynamics corresponds to unsteady flows which currently lack any theoretical formulations for its kinematic properties. ... Y., Olivier, P.: Longitudinal vortices in granular flows. Phys. Rev. Lett. 86(26), 5886 (2001) Article ADS Google Scholar Frigaard, I.A., Nouar, C.: On the usage of viscosity ... 鼈甲張り 簪