Showing 441 - 460 results of 696 for search '"turbulence"', query time: 0.09s Refine Results
  1. 441

    Numerical Investigation of the Coupling Effects of Pulsed H<sub>2</sub> Jets and Nanosecond-Pulsed Actuation in Supersonic Crossflow by Keyu Li, Jiangfeng Wang

    Published 2025-01-01
    “…The FVM was employed to solve the multi-component 2D URANS equations with the SST k-omega turbulence model, while H<sub>2</sub>-air combustion was described using a seven species–seven reactions chain reaction model, and the plasma thermal effect was represented by a phenomenological model. …”
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  2. 442

    Optimizing photocatalytic degradation of methyl violet dye in a recirculating slurry-type reactor by F. Shokry, M. El-Gedawy, S.A. Nosier, M.H. Abdel-Aziz

    Published 2025-01-01
    “…Higher solution flow rates improved mass transfer by increasing turbulence, leading to enhanced degradation efficiency. …”
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  3. 443

    Microscopic Effect of Mixed Wetting Capillary Characteristics on Spontaneous Imbibition Oil Recovery in Tight Reservoirs by Yu Pu, Erlong Yang, Di Wang

    Published 2025-01-01
    “…., <i>θ</i><sub>w</sub> = 75° and <i>θ</i><sub>o</sub> = 165°), local spontaneous imbibition turbulence can only detach very little oil at the inlet of the water wetting area, ultimately achieving a recovery efficiency of less than 10%. …”
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  4. 444

    LPV Control for the Full Region Operation of a Wind Turbine Integrated with Synchronous Generator by Guoyan Cao, Karolos M. Grigoriadis, Yaw D. Nyanteh

    Published 2015-01-01
    “…The LPV model is derived from the wind turbine state space models extracted by FAST (fatigue, aerodynamics, structural, and turbulence) code linearization at different operating points. …”
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  5. 445

    Exhaled Jet and Viral-Laden Aerosol Transport from Nasal Sneezing by Hana Salati, David F. Fletcher, Mehrdad Khamooshi, Jingliang Dong, Kazuhide Ito, Sara Vahaji, Kiao Inthavong

    Published 2022-03-01
    “…This study used computational fluid dynamics consisting of a hybrid RANS-LES turbulence method to model the airflow and the discrete phase model to track aerosol dispersion during nasal sneezing. …”
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  6. 446

    Numerical Investigation of the Internal Flow in a Banki Turbine by Jesús De Andrade, Christian Curiel, Frank Kenyery, Orlando Aguillón, Auristela Vásquez, Miguel Asuaje

    Published 2011-01-01
    “…Simulations were carried out using a water-air free surface model and k-ε turbulence model. The objectives of this study were to analyze the velocity and pressure fields of the cross-flow within the runner and to characterize its performance for different runner speeds. …”
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  7. 447

    Dust Dynamics in Radially Convective Regions of Protoplanetary Disks by Min-Kai Lin, Marius Lehmann

    Published 2025-01-01
    “…One candidate, convective overstability (COS), can be triggered in regions with a negative radial entropy gradient. The ensuing turbulence and flow structures are expected to affect dust dynamics directly. …”
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  8. 448

    Numerical Simulation of Fine Particle Solid-Liquid Two-Phase Flow in a Centrifugal Pump by Yanping Wang, Bozhou Chen, Ye Zhou, Jianfeng Ma, Xinglin Zhang, Zuchao Zhu, Xiaojun Li

    Published 2021-01-01
    “…To study the effect of fine particle size and volume concentration on the performance of solid-liquid two-phase centrifugal pump, the mixture multiphase flow model, RNG k-ε turbulence model, and SIMPLEC algorithm were used to simulate the two-phase flow of the centrifugal pump. …”
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  9. 449

    Performance of Partial and Cavity Type Squealer Tip of a HP Turbine Blade in a Linear Cascade by Levent Kavurmacioglu, Hidir Maral, Cem Berk Senel, Cengiz Camci

    Published 2018-01-01
    “…The two-equation turbulence model, shear stress transport (SST), has been used. …”
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  10. 450

    Hydroacoustic communication channel capacity by V. E. Denisov

    Published 2023-02-01
    “…A novel expression derived for the spectral level of sea noise caused by sea surface waves is based on piecewise linear approximation of the curves of the spectral levels of noise obtained from four sources: turbulence, shipping, sea waves, and the thermal noise of the sea. …”
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  11. 451

    Evolution of EFTA in Differentiated Integration within Europe by V. V. Zolotukhin

    Published 2024-04-01
    “…Amidst the current regional turbulence, the convergence of various factors has enabled EFTA to align with the EU's approach to differentiated integration. …”
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  12. 452

    Experimental Study on Separated-flow Transition on a High-lift Blade by S. Yang, F. Tian, C. Teng, B. Xu

    Published 2025-02-01
    “…Furthermore, the modal instability primarily in the form of the K–H mechanism and the non-modal instability due to the streamwise streaks induced by the freestream turbulence (FST) are found to coexist. The non-modal instability contains mainly low-frequency fluctuating energy, which impacts the disturbance energy spectrum within the separated shear layer. …”
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  13. 453

    Investigation of Speed Matching Affecting Contrarotating Fan’s Performance Using Wireless Sensor Network including Big Data and Numerical Simulation by Hengxuan Luan, Liyuan Weng, Ranhui Liu, Yuanzhong Luan, Dongmin Li

    Published 2018-01-01
    “…The investigation method is based on three-dimensional RANS simulations; the RANS equations are solved by the numerical method in conjunction with a SST turbulence model. A wireless measurement system using big data method is first designed, and then a comparison is done with experimental measurements to outline the capacity of the numerical method. …”
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  14. 454

    Computational Analysis on Numerical Simulation of Internal Flow Physics for Pump as Turbine in Renewable Small Hydro Energy Generation by Du Jianguo, Daniel Adu, Emmanuel Acheaw, Shakir Hafeez, Eric Ofosu Antw

    Published 2020-01-01
    “…The results predicted that vortex and turbulent kinetic energy increase per rotational speed increase. …”
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  15. 455

    Winglet Design for Aerodynamic and Performance Optimization of UAVs via Surrogate Modeling by Eleftherios Nikolaou, Spyridon Kilimtzidis, Vassilis Kostopoulos

    Published 2025-01-01
    “…These simulations utilized Reynolds-Averaged Navier–Stokes (RANS) equations coupled with the Spalart–Allmaras turbulence model to capture the intricate flow dynamics around the UAV in different flight phases. …”
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  16. 456

    Comparative Assessment of Modified γ-Reθt Models for Scramjet Intake Flow Analysis by Sunoh Kang, Ho Cheol Shin, Soo Hyung Park, Jaeyoung Park, Donghun Park

    Published 2021-01-01
    “…The selection of an appropriate turbulence/transition model is critical when simulating the hypersonic flows based on the Reynolds-averaged Navier–Stokes (RANS) equation. …”
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  17. 457

    Hydrodynamics of flow through living shoreline structure by Tanhaseng Kanyarat, Kositgittiwong Duangrudee, Ekkawatpanit Chaiwat, Kompor Wongnarin, Petpongpan Chanchai

    Published 2025-01-01
    “…The study also explored a zig-zag formation using 3D computational fluid dynamics (CFD) with the RNG k-ε turbulence model, offering detailed insights into the flow behavior around the structures. …”
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  18. 458

    Hydrogen reaction rate modeling based on convolutional neural network for large eddy simulation by Quentin Malé, Corentin J. Lapeyre, Nicolas Noiray

    Published 2025-01-01
    “…This article establishes a data-driven modeling framework for lean hydrogen ( $ {\mathrm{H}}_2 $ )-air reaction rates for the Large Eddy Simulation (LES) of turbulent reactive flows. This is particularly challenging since $ {\mathrm{H}}_2 $ molecules diffuse much faster than heat, leading to large variations in burning rates, thermodiffusive instabilities at the subfilter scale, and complex turbulence-chemistry interactions. …”
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  19. 459

    Characteristics of seismic strata in the southeast Zhoushan Archipelago (East China Sea) with emphasis on shallow gas by Bing Deng, Junbing Chen

    Published 2025-01-01
    “…The presence of active shallow gas within thin, soft muddy strata, along with the strong tidal turbulence and human activities, indicates that the seafloor of the study area is vulnerable to sediment erosion, and shallow gas is easily released, posing a potential danger to the stability of marine engineering foundations. …”
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  20. 460

    Investigation of Micro- and Nanosized Particle Erosion in a 90° Pipe Bend Using a Two-Phase Discrete Phase Model by M. R. Safaei, O. Mahian, F. Garoosi, K. Hooman, A. Karimipour, S. N. Kazi, S. Gharehkhani

    Published 2014-01-01
    “…This paper addresses erosion prediction in 3-D, 90° elbow for two-phase (solid and liquid) turbulent flow with low volume fraction of copper. …”
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