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301
Investigation of Flow Through Centrifugal Pump Impellers Using Computational Fluid Dynamics
Published 2003-01-01“…A commercial three-dimensional Navier-Stokes code called CFX, with a standard k–ε two-equation turbulence model was used to simulate the problem under examination. …”
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302
Agency Costs and Scarce Resources: Influences on Brazilian Franchising
Published 2019-01-01“…Considering the moment of the Brazilian economy, it is pertinent and opportune to investigate the behavior of the chains in times of turbulence. Panel data covering the 2011-2016 period was analyzed through econometric tools. …”
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303
Reduced-Complexity Receiver for Free-Space Optical Communication over Orbital Angular Momentum Partial-Pattern Modes
Published 2018-01-01“…This paper explores the effect of a partial-pattern receiver for transmitted orbital angular momentum (OAM) multimodes included in the Laguerre-Gaussian beam propagating under non-Kolomogorov weak-to-moderate turbulence on the achievable capacity and the error rates with introduced controlled parameters. …”
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304
LearningSpace: problems and experiences
Published 2001-12-01“… To be successful in times of turbulence and constant change, organizations need people who are flexible, teamworkers, good communicators and constant learners. …”
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305
A Model for Cosmic Magnetic Field Amplification: Effects of Pressure Anisotropy Perturbations
Published 2024-12-01“…Magnetic field amplification in the early universe is a long-standing problem that has been extensively studied through theoretical and numerical approaches, focusing on turbulent dynamos and the growth of collisionless plasma instabilities. …”
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306
Multi-level convergence challenges of regional economic development
Published 2023-11-01“…In the future, countries and regions will need new mechanisms to adapt to crises and turbulence of the global economy.…”
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307
Lift Enhancement of Tiltrotor Wing Using a Gurney Flap
Published 2022-01-01“…The Navier-Stokes equations with the Spalart-Allmaras turbulence model were solved to simulate the flow structure around the Gurney flap. …”
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308
Shape Optimization of NREL S809 Airfoil for Wind Turbine Blades Using a Multiobjective Genetic Algorithm
Published 2014-01-01“…The commercially available software FLUENT is employed to calculate the flow field on an adaptive structured mesh using the Reynolds-Averaged Navier-Stokes (RANS) equations in conjunction with a two-equation k-ω SST turbulence model. The results show significant improvement in both lift coefficient and lift to drag ratio of the optimized airfoil compared to the original S809 airfoil. …”
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309
Effects of the Management Control System on Empowerment and Organizational Resilience
Published 2020-01-01“…It is concluded that enabling MCSs favors the empowerment of managers and supports companies in dealing more effectively with the turbulence to which they are exposed.…”
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310
Effects of Low Reynolds Number on Wake-Generated Unsteady Flow of an Axial-Flow Turbine Rotor
Published 2005-01-01“…The time-averaged and time-dependent distributions of velocity and turbulence intensity were analyzed to determine the effect of Reynolds number. …”
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311
Heat Transfer Calculation on Plate-Type Fuel Assembly of High Flux Research Reactor
Published 2015-01-01“…Heat transfer characteristics of fuel assemblies for a high flux research reactor with a neutron trap are numerically investigated in this study. Single-phase turbulence flow is calculated by a commercial code, FLUENT, where the computational objective covers standard and control fuel assemblies. …”
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312
Situational analysis an effective leadership style to improve the Indonesian tax service offices performance in the era of change
Published 2023-03-01“…This study aims to analyze the effectiveness of Tax Service Offices’ leaders in the era of economic turbulence. Tax Service Office provides counseling, services, and supervision to Taxpayers. …”
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313
Flow Measurements and Flow Analysis in the Exit Region of a Radial Turbine
Published 1997-01-01“…Steady axisymmetric, compressible, turbulent flow computations with a two equation turbulence model were performed using the PARC code for the meridional flow in the radial turbine exit region. …”
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314
Numerical Simulation of the Transitional and Unsteady Flow through a Low Pressure Turbine
Published 2007-01-01“…For the simulations, different time steps and turbulent inflow conditions and their impact on the laminar separation on the suction side are considered. …”
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315
La mécanique des fluides en France dans la première moitié du xxe siècle
Published 2023-11-01“…In particular, French contributions to the boundary layer and turbulence theories – major breakthroughs of the period – seem quite modest. …”
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316
Nonlinear Numerical Simulation for Oscillating Pressure in Cavity and Passive Control Research
Published 2019-01-01“…RANS is applied to solving the flow field around a cavity, and average solution of initial turbulent statistics is obtained which contains the basic characteristics of the average flow field and statistic description of turbulence fluctuation. …”
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317
Experimental study and gyrokinetic simulations of isotope effects on core heat transport in JET tokamak deuterium and tritium plasmas
Published 2025-01-01“…The analysis is performed at fixed radius $\rho_\mathrm{tor} = 0.33$ , selected in order to maximize the electromagnetic stabilizing effects on turbulence, both from thermal and suprathermal particles. …”
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318
Evaluations on Profiles of the Eddy Diffusion Coefficients through Simulations of Super Typhoons in the Northwestern Pacific
Published 2016-01-01“…The modeling of the eddy diffusion coefficients (also known as eddy diffusivity) in the first-order turbulence closure schemes is important for the typhoon simulations, since the coefficients control the magnitude of the sensible heat flux and the latent heat flux, which are energy sources for the typhoon intensification. …”
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319
Numerical Simulation of Ground Effect on Circulation Control Airfoil
Published 2022-01-01“…The compressible Reynolds-averaged Navier–Stokes equations with the shear-stress transport k−ω turbulence model equations are solved using the Finite Volume Method (FVM). …”
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320
Numerical Investigation of the Wake Vortex-Related Flow Mechanisms in Transonic Turbines
Published 2020-01-01“…To better clarify the flow mechanism and guide the advanced design, the basic flow characteristics of transonic turbines are investigated in the paper by a modified scale-adaptive simulation (SAS) model based on the shear stress transport (SST) turbulence model. The numerical results reveal the formation and development of the secondary flow structures such as wake vortex, pressure wave, shock wave, and the interactions among them. …”
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