Showing 301 - 320 results of 696 for search '"turbulence"', query time: 0.04s Refine Results
  1. 301

    Investigation of Flow Through Centrifugal Pump Impellers Using Computational Fluid Dynamics by Weidong Zhou, Zhimei Zhao, T. S. Lee, S. H. Winoto

    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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    Article
  2. 302

    Agency Costs and Scarce Resources: Influences on Brazilian Franchising by Eugenio Jose Silva Bitti, Vinicius Medeiros Magnani, Bianca Thomazella

    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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    Article
  3. 303

    Reduced-Complexity Receiver for Free-Space Optical Communication over Orbital Angular Momentum Partial-Pattern Modes by Alaa ElHelaly, Ahmed H. Mehana, Mohammad M. Khairy

    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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    Article
  4. 304

    LearningSpace: problems and experiences by Regina Kulvietienė, Irma Šileikienė

    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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    Article
  5. 305

    A Model for Cosmic Magnetic Field Amplification: Effects of Pressure Anisotropy Perturbations by Ji-Hoon Ha

    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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    Article
  6. 306

    Multi-level convergence challenges of regional economic development by V. V. Stroev

    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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    Article
  7. 307

    Lift Enhancement of Tiltrotor Wing Using a Gurney Flap by Hao Chen, Bo Chen

    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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    Article
  8. 308

    Shape Optimization of NREL S809 Airfoil for Wind Turbine Blades Using a Multiobjective Genetic Algorithm by Yilei He, Ramesh K. Agarwal

    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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    Article
  9. 309

    Effects of the Management Control System on Empowerment and Organizational Resilience by Ilse Maria Beuren, Vanderlei dos Santos, Daniele Cristina Bernd

    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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    Article
  10. 310

    Effects of Low Reynolds Number on Wake-Generated Unsteady Flow of an Axial-Flow Turbine Rotor by Matsunuma Takayuki, Tsutsui Yasukata

    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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    Article
  11. 311

    Heat Transfer Calculation on Plate-Type Fuel Assembly of High Flux Research Reactor by Daxin Gong, Shanfang Huang, Guanbo Wang, Kan Wang

    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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    Article
  12. 312

    Situational analysis an effective leadership style to improve the Indonesian tax service offices performance in the era of change by Reza Saleh, Mohammad Syamsul Maarif, Lukman M Baga, Herien Puspitawati

    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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    Article
  13. 313

    Flow Measurements and Flow Analysis in the Exit Region of a Radial Turbine by D. M. Murugan, W. Tabakoff, A. Hamed

    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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    Article
  14. 314

    Numerical Simulation of the Transitional and Unsteady Flow through a Low Pressure Turbine by Romuald Skoda, Rudolf Schilling, Meinhard T. Schobeiri

    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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    Article
  15. 315

    La mécanique des fluides en France dans la première moitié du xxe siècle by Charru, François

    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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    Article
  16. 316

    Nonlinear Numerical Simulation for Oscillating Pressure in Cavity and Passive Control Research by Binqi Chen, Yiding Wang

    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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    Article
  17. 317

    Experimental study and gyrokinetic simulations of isotope effects on core heat transport in JET tokamak deuterium and tritium plasmas by D. Brioschi, P. Mantica, A. Mariani, N. Bonanomi, E. Delabie, J. Garcia, N. Hawkes, I. Jepu, D. Keeling, E. Lerche, E. Litherland-Smith, C.F. Maggi, S. Menmuir, G. Szepesi, D. Taylor, D. Van Eester, JET Contributors

    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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    Article
  18. 318

    Evaluations on Profiles of the Eddy Diffusion Coefficients through Simulations of Super Typhoons in the Northwestern Pacific by Jimmy Chi Hung Fung, Guangze Gao

    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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    Article
  19. 319

    Numerical Simulation of Ground Effect on Circulation Control Airfoil by Quanbing Sun, Zhiwei Shi, Weilin Zhang, Zhikun Sun, Yongliang Chen

    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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    Article
  20. 320

    Numerical Investigation of the Wake Vortex-Related Flow Mechanisms in Transonic Turbines by Guoliang Wang, Ning Ge, Dongdong Zhong

    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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    Article