Gotowe bibliografie tematyczne / Rotating Flow Simulations

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Gotowa bibliografia na temat „Rotating Flow Simulations”

Autor: Grafiati

Data publikacji: 3 czerwca 2025

Data aktualizacji: 31 lipca 2025

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Artykuły w czasopismach na temat "Rotating Flow Simulations"

GRUNDESTAM, OLOF, STEFAN WALLIN, and ARNE V. JOHANSSON. "Direct numerical simulations of rotating turbulent channel flow." Journal of Fluid Mechanics 598 (February 25, 2008): 177–99. http://dx.doi.org/10.1017/s0022112007000122.

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Fully developed rotating turbulent channel flow has been studied, through direct numerical simulations, for the complete range of rotation numbers for which the flow is turbulent. The present investigation suggests that complete flow laminarization occurs at a rotation number Ro = 2Ωδ/Ub ≤ 3.0, where Ω denotes the system rotation, Ub is the mean bulk velocity and δ is the half-width of the channel. Simulations were performed for ten different rotation numbers in the range 0.98 to 2.49 and complemented with earlier simulations (done in our group) for lower values of Ro. The friction Reynolds nu

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LI, WEI, ZHONGYONG PAN, and WEIDONG SHI. "NUMERICAL INVESTIGATION OF PUMP-TURBINES WITH DIFFERENT BLADES AT PUMP CONDITIONS." Journal of Advanced Manufacturing Systems 11, no. 02 (2012): 143–50. http://dx.doi.org/10.1142/s0219686712500138.

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The undesirable performance of a positive slope curve usually appears for pump-turbines running as pumps at a low flow rate. The inner flow feature of pump-turbines with 6- and 7-blades runner is studied by both steady and unsteady simulations at pump conditions. According to the steady simulation investigation, obviously back flow vortex is found in the runner passage at the low flow rate zone where the positive slope curve forms. The flow rate at which the instable flow pattern happens of 6-blades runner is smaller than that of 7-blades one. By the unsteady simulation, at the low flow rate z

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Kimmel-Klotzkin, Shari J., and Fadi P. Deek. "Large Eddy Simulation of Rotating Finite Source Convection." Journal of Applied Mechanics 73, no. 1 (2005): 79–87. http://dx.doi.org/10.1115/1.1991859.

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Numerical simulations of turbulent convection under the influence of rotation will help understand mixing in oceanic flows. Though direct numerical simulations (DNS) can accurately model rotating convective flows, this method is limited to small scale and low speed flows. A large eddy simulation (LES) with the Smagorinsky subgrid scale model is used to compute the time evolution of a rotating convection flow generated by a buoyancy source of finite size at a relatively high Rayleigh number. Large eddy simulations with eddy viscosity models have been used successfully for other rotating convect

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Kang, Changwoo, Kyung-Soo Yang, and Innocent Mutabazi. "Thermal effect on large-aspect-ratio Couette–Taylor system: numerical simulations." Journal of Fluid Mechanics 771 (April 14, 2015): 57–78. http://dx.doi.org/10.1017/jfm.2015.151.

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We have performed numerical simulations of the flow in a large-aspect-ratio Couette–Taylor system with rotating inner cylinder and with a radial temperature gradient. The aspect ratio was chosen in such a way that the base state is in the conduction regime. Away from the endplates, the base flow is a superposition of an azimuthal flow induced by rotation and an axial flow (large convective cell) induced by the temperature gradient. For a fixed rotation rate of the inner cylinder in the subcritical laminar regime, the increase of the temperature difference imposed on the annulus destabilizes th

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Kristoffersen, Reidar, and Helge I. Andersson. "Direct simulations of low-Reynolds-number turbulent flow in a rotating channel." Journal of Fluid Mechanics 256 (November 1993): 163–97. http://dx.doi.org/10.1017/s0022112093002757.

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Direct numerical simulations of fully developed pressure-driven turbulent flow in a rotating channel have been performed. The unsteady Navier–Stokes equations were written for flow in a constantly rotating frame of reference and solved numerically by means of a finite-difference technique on a 128 × 128 × 128 computational mesh. The Reynolds number, based on the bulk mean velocity Um and the channel half-width h, was about 2900, while the rotation number Ro = 2|Ω|h/Um varied from 0 to 0.5. Without system rotation, results of the simulation were in good agreement with the accurate reference sim

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Alexakis, A. "Rotating Taylor–Green flow." Journal of Fluid Mechanics 769 (March 13, 2015): 46–78. http://dx.doi.org/10.1017/jfm.2015.82.

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The steady state of a forced Taylor–Green flow is investigated in a rotating frame of reference. The investigation involves the results of 184 numerical simulations for different Reynolds numbers $\mathit{Re}_{F}$ and Rossby numbers $\mathit{Ro}_{F}$. The large number of examined runs allows a systematic study that enables the mapping of the different behaviours observed to the parameter space ($\mathit{Re}_{F},\mathit{Ro}_{F}$), and the examination of different limiting procedures for approaching the large $\mathit{Re}_{F}$ small $\mathit{Ro}_{F}$ limit. Four distinctly different states were

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Schulmeister, James C., J. M. Dahl, G. D. Weymouth, and M. S. Triantafyllou. "Flow control with rotating cylinders." Journal of Fluid Mechanics 825 (July 21, 2017): 743–63. http://dx.doi.org/10.1017/jfm.2017.395.

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We study the use of small counter-rotating cylinders to control the streaming flow past a larger main cylinder for drag reduction. In a water tunnel experiment at a Reynolds number of 47 000 with a three-dimensional and turbulent wake, particle image velocimetry (PIV) measurements show that rotating cylinders narrow the mean wake and shorten the recirculation length. The drag of the main cylinder was measured to reduce by up to 45 %. To examine the physical mechanism of the flow control in detail, a series of two-dimensional numerical simulations at a Reynolds number equal to 500 were conducte

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Bartello, Peter, Olivier Métais, and Marcel Lesieur. "Coherent structures in rotating three-dimensional turbulence." Journal of Fluid Mechanics 273 (August 25, 1994): 1–29. http://dx.doi.org/10.1017/s0022112094001837.

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Numerical simulations investigating the formation and stability of quasi-two-dimensional coherent vortices in rotating homogeneous three-dimensional flow are described. In a numerical study of shear flows Lesieur, Yanase & Métais (1991) found that cyclones (respectively anticyclones) with |ω2D| ∼ O(2Ω), where ω2D is the vorticity and Ω is the rotation rate, are stabilized (respectively destabilized) by the rotation. A study of triply periodic pseudo-spectral simulations (643) was undertaken in order to investigate the vorticity asymmetry in homogeneous turbulence. Specifically, we examine

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Bech, Knut H., and Helge I. Andersson. "Secondary flow in weakly rotating turbulent plane Couette flow." Journal of Fluid Mechanics 317 (June 25, 1996): 195–214. http://dx.doi.org/10.1017/s0022112096000729.

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As in the laminar case, the turbulent plane Couette flow is unstable (stable) with respect to roll cell instabilities when the weak background angular velocity Ωk is antiparallel (parallel) to the spanwise mean flow vorticity (-dU/dy)k. The critical value of the rotation number Ro, based on 2Ω and dU/dy of the corresponding laminar flow, was estimated as 0.0002 at a low Reynolds number with fully developed turbulence. Direct numerical simulations were performed for Ro = ±0.01 and compared with earlier results for non-rotating Couette flow. At the low rotation rates considered, both senses of r

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ORLANDI, P., and M. FATICA. "Direct simulations of turbulent flow in a pipe rotating about its axis." Journal of Fluid Mechanics 343 (July 25, 1997): 43–72. http://dx.doi.org/10.1017/s0022112097005715.

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Flow in a circular pipe rotating about its axis, at low Reynolds number, is investigated. The simulation is performed by a finite difference scheme, second-order accurate in space and in time. A non-uniform grid in the radial direction yields accurate solutions with a reasonable number of grid points. The numerical method has been tested for the non-rotating pipe in the limit ν→0 to prove the energy conservation properties. In the viscous case a grid refinement check has been performed and some conclusions about drag reduction have been reached. The mean and turbulent quantities have been comp

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Rozprawy doktorskie na temat "Rotating Flow Simulations"

Li, Yan-Ling. "Numerical simulations of rotating stall in axial flow compressors." Thesis, University of Sussex, 2014. http://sro.sussex.ac.uk/id/eprint/47428/.

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Gas turbine compressor performance may encounter deterioration during service for various reasons such as damage by debris from the casing or foreign objects impacting on the blades, typically near the rotor's tip. Moreover, mal-schedule of Variable Stator Vanes (VSVs) during start-up may also result in performance deterioration and reduction in the surge margin. Ability to assess the effect of compressor deterioration using Computational Fluid Dynamics (CFD) is important at both design stage and in service. Compressor blade damage breaks the cyclic symmetry and the VSVs mal-schecule creates m

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Appelquist, Ellinor. "The rotating-disk boundary-layer flow studied through numerical simulations." Doctoral thesis, KTH, Mekanik, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-200827.

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This thesis deals with the instabilities of the incompressible boundary-layer flow thatis induced by a disk rotating in otherwise still fluid. The results presented include bothwork in the linear and nonlinear regime and are derived from direct numerical sim-ulations (DNS). Comparisons are made both to theoretical and experimental resultsproviding new insights into the transition route to turbulence. The simulation codeNek5000 has been chosen for the DNS using a spectral-element method (SEM) witha high-order discretization, and the results were obtained through large-scale paral-lel simulation

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Appelquist, Ellinor. "Direct numerical simulations of the rotating-disk boundary-layer flow." Licentiate thesis, KTH, Mekanik, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-146087.

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This thesis deals with the instabilities of the incompressible boundary-layer flow that is induced by a disk rotating in otherwise still fluid. The results presented are mostly limited to linear instabilities derived from direct numerical simulations (DNS) but with the objective that further work will focus on the nonlinear regime, providing greater insights into the transition route to turbulence. The numerical code Nek5000 has been chosen for the DNS using a spectral-element method in an effort to reduce spurious effects from low-order discretizations. Large-scale parallel simulations have b

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Lygren, Magne. "Simulations of Turbulent Flow between a Rotating and a Stationary Disk." Doctoral thesis, Norwegian University of Science and Technology, Faculty of Engineering Science and Technology, 2001. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-409.

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<p>The main focus of this thesis is turbulent flow between a rotating and a stationary disk. The extension of the disks is assumed to be large enough to prevent the outer boundary conditions to influence the flow of the region of interest. This flow is driven by the shear between the disks, but an imbalance between centrifugal and pressure forces in the radial direction induce a radial cross-flow. The result is a complex three-dimensional flow where the direction of the mean flow varies with the axial position. Direct numerical simulations (DNS) and large eddy simulations (LES) have been used

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Wang, Weiyi. "Numerical and Experimental Investigation of Dense Granular Flow of Highly Concave Particles : Non-Local Modelling for Inclined Plane and Rotating Drum Geometries." Electronic Thesis or Diss., Université de Montpellier (2022-....), 2024. http://www.theses.fr/2024UMONS051.

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Les matériaux granulaires sont une classe de matériaux utilisés de longue dates par les humains. Ils sont encore de nos jours omniprésents dans notre vie quotidienne, au travers de substances comme le riz, le sel, le gravier, le charbon, le sable ou la neige, pour n'en siter que quelques uns. Ils interviennent très largement dans l'industrie, allant de l'agriculture et de la construction à la pharmacie et à la plupart des biens. En réalité, les matériaux granulaires sont le deuxième matériau le plus manipulé en termes de poids dans l'industrie mondiale, dépassés uniquement par l'eau cite{DeGen

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ARAUJO, JOSÉ HENRIQUE CARNEIRO DE. "NUMERICAL SIMULATIONS VIA FINITE ELEMENT OF VISCOUS FLOW BETWEEN CONCENTRIC AND ECCENTRIC CYLINDERS WITH ROTATING INNER AND VARIABLE VISCOSITY." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 1987. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=19059@1.

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COMISSÃO NACIONAL DE ENERGIA NUCLEAR<br>Efetuou-se um estudo numérico do escoamento entre cilindros concêntricos e excêntricos girantes com efeitos de dissipação viscosa presente. Assumiu-se que o cilindro interno estava girando com uma velocidade angular constante e que o externo estava fixo. Assumimos a condição de contorno de não deslizamento para velocidade em ambas as paredes. A temperatura do fluido nas paredes dos cilindros foi assumida constante e seu campo assumimos ser governado por efeitos de convecção e condução, com uma fonte de energia proveniente da dissipação viscosa do escoame

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Feiz, Homayoon. "LES of Multiple Jets in Cross-Flow Using a Coupled Lattice Boltzmann-Navier-Stokes Solver." Diss., Georgia Institute of Technology, 2006. http://hdl.handle.net/1853/14040.

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Three-dimensional large-eddy simulations (LES) of single and multiple jets in cross-flow (JICF) were conducted using the 19-bit Lattice Boltzmann Equation (LBE) method coupled with a conventional Navier-Stokes (NS) finite-volume scheme. In this coupled LBE-NS approach, the LBE-LES was employed to simulate the flow inside jet nozzles, while the NS-LES was used to simulate the cross-flow. The key application area was to study the micro-blowing technique (MBT) for drag control similar to recent experiments at NASA/GRC. A single jet in the cross-flow case was used for validation purposes, and re

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Lamballais, Éric. "Simulations numériques de la turbulence dans un canal plan tournant." Grenoble INPG, 1996. http://www.theses.fr/1996INPG0016.

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L'ecoulement en canal plan tournant est etudie par simulation numerique directe et des grandes echelles. Dans ce but, un code resolvant les ecoulements de navier-stokes incompressibles est developpe, en apportant un soin particulier a la precision des methodes numeriques utilisees. Dans le cadre de la simulation des grandes echelles, une correction du modele sous-maille a viscosite turbulente spectrale est proposee. Cette modification consiste a prendre en compte les ecarts du spectre d'energie par rapport a un spectre de kolmogorov. L'etude prealable de l'ecoulement en canal en l'absence de r

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Gundersen, Ted Ørjan Kjellevik. "Modelling of Rotating Turbulent Flows : Computer simulation of turbulent backward-facing step flow with system rotation." Thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for energi- og prosessteknikk, 2011. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-13925.

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An investigation of how different levels of turbulence modelling tackle the effects of system rotation has been performed. Ranging from simple one-equation models to large-eddy simulations, different approaches have been considered by means of a literature study and numerical calculations of turbulent flow over a backward-facing step subjected to spanwise rotation. The computed results were compared with results from direct numerical simulations.The literature study revealed that simple linear eddy-viscosity turbulence models are unable to predict any effects on the turbulence field due to sys

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Sanchez, Marc. "Etude des extracteurs d'air hybrides éoliens : conception de géométries et analyse des écoulements." Thesis, Perpignan, 2015. http://www.theses.fr/2015PERP0040/document.

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Ce travail de thèse concerne l'étude d'extracteurs d'air hybrides éoliens. Il se décompose en des investigations amont et appliquées. Dans la partie amont, des simulations fines ont été effectuées en conduite carrée avec et sans rotation, pour des nombres de Reynolds turbulents de l'ordre de 600, afin d'analyser l'impact de la rotation sur la turbulence. Elles ont montré que la rotation rompt la symétrie de l'écoulement. La partie appliquée est dédiée à la conception d'une nouvelle géométrie d'extracteur d'air. Cette géométrie a été proposée à partir de l'analyse de simulations RANS. Ses perfo

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Książki na temat "Rotating Flow Simulations"

Burns, John A. Effect of rotation rate on the forces of a rotating cylinder: simulation and control. Institute for Computer Applications in Science and Engineering, 1993.

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A, Mulac Richard, Adamczyk John J, and Lewis Research Center, eds. A numerical simulation of the inviscid flow through a counter-rotating propeller. National Aeronautics and Space Administration, Lewis Research Center, 1986.

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F, Hatay Ferhat, and United States. National Aeronautics and Space Administration., eds. Numerical simulation of stability and stabiity control of high speed compressible rotating couette flow: Final report for NASA grant NAG-1-1103. National Aeronautics and Space Administration, 1993.

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F, Hatay Ferhat, and United States. National Aeronautics and Space Administration., eds. Numerical simulation of stability and stability control of high speed compressible rotating couette flow: Final report for NASA grant NAG-1-1103. National Aeronautics and Space Administration, 1993.

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Faghri, Amir. Numerical simulation of fluid flow and heat transfer in a thin liquid film over a stationary and rotating disk and comparison with experimental data. National Aeronautics and Space Administration, 1990.

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Effect of rotation rate on the forces of a rotating cylinder: Simulation and control. National Aeronautics and Space Administration, Langley Research Center, 1993.

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Numerical simulation of fluid flow and heat transfer in a thin liquid film over a stationary and rotating disk and comparison with experimental data. National Aeronautics and Space Administration, 1990.

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Części książek na temat "Rotating Flow Simulations"

Randriarifara, T., and A. Bottaro. "Spatial Direct Numerical Simulations of Transition in Rotating Dean Flow." In Fluid Mechanics and Its Applications. Springer Netherlands, 1998. http://dx.doi.org/10.1007/978-94-011-5118-4_33.

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Tyliszczak, Artur, and Andrzej Boguslawski. "Analysis of the subgrid models in the flow between rotating discs." In Quality and Reliability of Large-Eddy Simulations II. Springer Netherlands, 2011. http://dx.doi.org/10.1007/978-94-007-0231-8_9.

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Pierre, Gaétan, Christophe Chevalier, William Benguigui, Jérôme Laviéville, Pascal Fede, and Olivier Simonin. "CFD Simulations of Scour From the Flow Induced By a Rotating Wheel." In Springer Water. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-97-4076-5_20.

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Wang, Sipeng, Xiang Luo, and Qian Zhang. "Effect of the Rotational Central Shaft on the Flow and Heat Transfer of Rotating Cavity with Axial Throughflow." In Computational and Experimental Simulations in Engineering. Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-42515-8_86.

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Topinka, Lukáš, Radomír Pruša, Rostislav Huzlík, and Joachim Regel. "Definition of a Non-contact Induction Heating of a Cutting Tool as a Substitute for the Process Heat for the Verification of a Thermal Simulation Model." In Lecture Notes in Production Engineering. Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-34486-2_24.

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AbstractDuring metal machining, a large amount of heat is generated in the cutting zone, which has a negative impact on machining accuracy due to the thermal expansion of the materials. To reduce the temperature in the cutting zone, liquid coolants are used which increase the costs and can have a negative impact on the environment. This problem is being studied using Computational Fluid Dynamics (CFD) to better understand the behavior of the coolant flow in the cutting zone, which will allow optimization of the use of liquid coolants and the development of a correction method for thermal error

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Loppi, N. A., J. Bodart, and G. Dufour. "Wall-Modeled Large Eddy Simulation for Rotating Flows." In Direct and Large-Eddy Simulation X. Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-63212-4_33.

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Borello, D., A. Salvagni, F. Rispoli, and K. Hanjalic. "LES of the Flow in a Rotating Rib-Roughened Duct." In Direct and Large-Eddy Simulation IX. Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-14448-1_35.

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Bhandari, Anupam, and Akmal Husain. "Modeling of electrically conducting fluid flow over a rotating disk." In Modeling and Simulation of Fluid Flow and Heat Transfer. CRC Press, 2024. http://dx.doi.org/10.1201/9781032712079-6.

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Hou, X. X., S. F. Teng, C. X. Xiong, and Z. Y. Yang. "Effects of Rotating Stall on Flow Patterns and Pressure Pulsation in Clearance Flow Channels of Pump-Turbines." In Lecture Notes in Civil Engineering. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-97-9184-2_26.

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AbstractThe clearance flow channel (CFC) of pump-turbine is a thin cavity composed of a runner and head cover or bottom ring, but excessive pressure pulsation in a flat CFC is easy to cause the head cover excitation. At present, there are insufficient studies on the flow patterns, and pressure pulsations in CFC. In this paper, the 3D CFD numerical simulation method was used to reveal the flow patterns, and pressure pulsations in the CFC of a low specific speed pump-turbine under rotational stall condition. The results showed that the stall vortexes rotated in the vaneless region of the main fl

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Balachandar, S., and C. L. Streett. "Numerical Simulation of Transition in a Rotating Disk Flow." In Advances in Soil Science. Springer New York, 1990. http://dx.doi.org/10.1007/978-1-4612-3432-6_28.

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Streszczenia konferencji na temat "Rotating Flow Simulations"

Senior, Nick, Patrick Boisvert, Allan Runstedtler, and Muhammad Arafin. "Simulating Liquid Pipeline Flow Using the Rotating Cage Method." In CORROSION 2015. NACE International, 2015. https://doi.org/10.5006/c2015-06107.

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Abstract The Rotating Cage is a standardized methodology for investigating the corrosion of metals under flowing conditions. As such, it can be used as a comparative method, for screening inhibitors or identifying the differences in the corrosion-inhibitory properties of different crude oils, as well as simulating flowing pipeline hydrodynamics. It is a complimentary technique to the rotating cylinder electrode and jet impingement method. Whilst it does not permit in situ measurements, it has a distinct advantage over other methods: whilst average corrosion rates are determined through mass lo

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Reboul, Gabriel, and Andrea Bresciani. "LBM Simulations of Co-axial Rotors." In Vertical Flight Society 81st Annual Forum and Technology Display. The Vertical Flight Society, 2025. https://doi.org/10.4050/f-0081-2025-29.

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In the context of developing new rotorcrafts dedicated to Advanced Air Mobility, aeroacoustic simulations of co-axial rotor systems have been conducted using the lattice Boltzmann method with the ProLB code. Eight configurations, spanning from co-rotating rotors to contra-rotating shrouded rotors, were analyzed in stationary conditions through comparisons with experimental data and flow field analysis. This investigation validates our numerical methodology, based on direct noise simulation, and enhances our understanding of noise generation and propagation of such propulsive systems. Our simul

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Nesic, Srdjan, Jeremy Bienkowsky, Andrew Purchase, Klaus Bremhorst, Kyung-Soo Yang, and Jong-Yeon Hwang. "A Compact Apparatus for Testing Erosion-Corrosion under Disturbed Flow Conditions Consisting of a Rotating Cylinder with a Step." In CORROSION 2002. NACE International, 2002. https://doi.org/10.5006/c2002-02504.

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Abstract Erosion-corrosion is most severe in the vicinity of flow disturbances. In the past, erosion-corrosion under disturbed flow conditions has been studied experimentally in flow loops and numerically by performing flow simulations. In this study a new, compact experimental setup was tested, intended for study of erosion-corrosion under disturbed flow conditions, involving a rotating cylinder geometry with a sudden step. A thorough characterization of this new setup was initiated, involving wall mass transfer measurements complemented with Direct Numerical Simulation of the turbulent flow

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Min, Byung-Young, Anand Karpatne, D. Sargent, Daniel Shannon, Brian Wake, and Jayant Sirohi. "Numerical and Experimental Study of Centrifugally-Driven Flow inside a Rotating Duct for Rotorcraft Application." In Vertical Flight Society 72nd Annual Forum & Technology Display. The Vertical Flight Society, 2016. http://dx.doi.org/10.4050/f-0072-2016-11378.

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Rotor blades experience very high centrifugal forces that can be utilized to pump air to the outboard region of the blade through an internal duct, which can be used for flow control. Analysis or design of such systems requires accurate prediction capability. In order to validate current Reynolds Averaged Navier-Stokes CFD methodologies, an experiment was performed using a rotating pipe as a simplified ducted blade, and simulation results were compared to the measured data. A quasi-one-dimensional (Q1D) code was also compared to experimental data as a lower order simulation tool that can provi

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Coder, James, and Norman Foster. "Structured, Overset Simulations for the 1st Rotor Hub Flow Workshop." In Vertical Flight Society 73rd Annual Forum & Technology Display. The Vertical Flight Society, 2017. http://dx.doi.org/10.4050/f-0073-2017-11999.

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Structured, overset computational fluid dynamics methods are used to simulate a water-tunnel experiment of flow over a rotating, 4-bladed rotor hub at Reynolds numbers near that of full scale. A hybrid RANS/LES method is employed with fifth-order discretization of convective flux terms and second-order time integration to resolve largescale turbulent flow features in the wake. Preliminary simulations on a baseline grid system revealed inadequate grid resolution in the wake region along with contamination from inflow and outflow boundaries being too close to the region of interest. An improved

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Xun, Qian-Qiu, Bing-Chen Wang, and Gang Yan. "Transport of Resolved Turbulent Stresses in a Spanwise Rotating Channel Flow." In ASME 2010 3rd Joint US-European Fluids Engineering Summer Meeting collocated with 8th International Conference on Nanochannels, Microchannels, and Minichannels. ASMEDC, 2010. http://dx.doi.org/10.1115/fedsm-icnmm2010-30518.

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In this paper, we investigate the transport of resolved turbulent stresses in a plane channel flow subjected to spanwise rotation using the method of large-eddy simulation (LES). We present both the general and simplified transport equations for the resolved turbulent stresses, which are essential for understanding the unique pattern of turbulent kinetic energy production in a rotating system. Numerical simulations are performed using a dynamic nonlinear model (DNM) for closure of the filtered momentum equation. The turbulent flow field studied in this research is characterized by a Reynolds n

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Zhu, Jianjun, Ruben Cuamatzi-Melendez, Jose Alberto Martinez Farfan, Haiwen Zhu, Jiecheng Zhang, and Hong-Quan Zhang. "Flow Pattern Prediction in Electrical Submersible Pump (ESP) Under Gassy Flow Conditions Using Transient Multiphase CFD Methods With Visualization Experimental Validation." In ASME 2018 5th Joint US-European Fluids Engineering Division Summer Meeting. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/fedsm2018-83081.

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This paper presents a numerical study of flow pattern recognition inside the rotating impeller of electrical submersible pump (ESP) using the transient multiphase CFD simulations. Based on the previous experimental facility for visualizing flow patterns in an ESP, the entire flow domain is constructed. The high-quality structured mesh comprising hexahedral grids is generated using multi-block technique in ANSYS ICEM. Mesh independence is confirmed by comparing numerical results with catalog curves. For transient two-phase simulation, the realized RNG k-ε turbulence model with volume of fluid (

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Qin, Zhaohui. "Molecular Dynamics Simulations of Fluid Flow in a Rotating Channel." In ASME 4th Integrated Nanosystems Conference. ASMEDC, 2005. http://dx.doi.org/10.1115/nano2005-87039.

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Snider, Michael, and Svetlana Poroseva. "Sensitivity Study of Turbulent Flow Simulations over a Rotating Disk." In 42nd AIAA Fluid Dynamics Conference and Exhibit. American Institute of Aeronautics and Astronautics, 2012. http://dx.doi.org/10.2514/6.2012-3146.

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Brethouwer, G., L. Wei, P. Schlatter, and Arne V. Johansson. "Turbulence, instabilities and heat transfer in rotating channel flow simulations." In THMT-12. Proceedings of the Seventh International Symposium On Turbulence, Heat and Mass Transfer Palermo, Italy, 24-27 September, 2012. Begellhouse, 2012. http://dx.doi.org/10.1615/ichmt.2012.procsevintsympturbheattransfpal.760.

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Raporty organizacyjne na temat "Rotating Flow Simulations"

Danberg, James E., Karen R. Heavey, and Miles C. Miller. Computational Simulation of Transonic Flow Over Projectile Rotating Band and Comparison with Experiment. Defense Technical Information Center, 1985. http://dx.doi.org/10.21236/ada159017.

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R.V. Budny. Simulations of the Neutral-beam-induced Rotation, Radial Electric Field, and Flow Shearing Rate in Next-step Burning Plasmas. Office of Scientific and Technical Information (OSTI), 2002. http://dx.doi.org/10.2172/808386.

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Kwon, Kyung, Liang-Shih Fan, Qiang Zhou, and Hui Yang. Study of Particle Rotation Effect in Gas-Solid Flows using Direct Numerical Simulation with a Lattice Boltzmann Method. Office of Scientific and Technical Information (OSTI), 2014. http://dx.doi.org/10.2172/1183009.

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