Showing 381 - 400 results of 513 for search '"Fluid dynamics"', query time: 0.06s Refine Results
  1. 381

    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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  2. 382
  3. 383

    Multiobjective Optimization Design and Performance Prediction of Centrifugal Pump Based on Orthogonal Test by Yuqin Wang, Xinwang Huo

    Published 2018-01-01
    “…Based on the L1644 orthogonal table, 16 sets of orthogonal test schemes were made by selecting the four parameters impeller outlet width, blade inlet angle, blade outlet angle, and cape angle; the flow field numerical simulation was carried out by computational fluid dynamics technique; and the influence order of geometric parameters on optimization indexes was obtained by range analysis. …”
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  4. 384

    Application of coupled CFD-DEM modelling in erosion study of cohesive materials: A case study of rotating finger test by Mohsen Rahimi-Larki, Burhanuddin, Sandra Vollmann, Shengli Jin, Harald Harmuth

    Published 2025-03-01
    “…This study introduces a coupled computational fluid dynamics (CFD) and discrete element method (DEM) approach to quantitatively assess the flow-induced erosion of cohesive materials. …”
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    Article
  5. 385

    Migration Law and Influence of Proppant in Segmented Multicluster Fracturing Wellbore of Deep Shale Horizontal Well by Tingxue Jiang, Haitao Wang, Juanming Wei, Guanyu Zhong, Yucheng Zhao, Yushi Zou

    Published 2022-01-01
    “…In order to deeply analyze the influence mechanism and law of proppant flow in the wellbore on multiple fractures and propagation, Firstly, based on the theoretical knowledge of computational fluid dynamics (CFD), a numerical model of solid-liquid two-phase flow of proppant migration in horizontal wellbore is established, which is calculated and solved by using the Euler-Euler multiphase-flow mixture model, and the effects of different influencing factors on the migration and distribution of proppant in wellbore are studied. …”
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    Article
  6. 386

    Breather, lump and other wave profiles for the nonlinear Rosenau equation arising in physical systems by Baboucarr Ceesay, Muhammad Zafarullah Baber, Nauman Ahmed, Muhammad Waqas Yasin, Wael W. Mohammed

    Published 2025-01-01
    “…Abstract This work explores the mathematical technique known as the Hirota bilinear transformation to investigate different wave behaviors of the nonlinear Rosenau equation, which is fundamental in the study of wave occurrences in a variety of physical systems such as fluid dynamics, plasma physics, and materials science, where nonlinear dynamics and dispersion offer significant functions. …”
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  7. 387

    Collaborative Optimization of Aerodynamics and Wind Turbine Blades by Fushan He, Xingsheng Zheng, Weilin Luo, Jianfeng Zhong, Yunhua Huang, Aili Ye, Rongrong Qiu, Huafu Ma

    Published 2025-01-01
    “…The Wilson method is employed to obtain the aerodynamic shape of the blade. Computational fluid dynamics numerical simulation is performed to analyze the aerodynamics of the blade. …”
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    Article
  8. 388

    A Novel Multi-Fidelity Support Vector Classification Method for Boundary Prediction in Engineering Applications by Jinliang Luo, Lingzhi Liu, Youwei He, Kuan Tan

    Published 2025-01-01
    “…To validate our method, we applied it to three distinct engineering problems: predicting the failure boundary of a zero Poisson ratio structure, analyzing surge and choke boundaries in an axial flow compressor rotor, and tackling a 31-dimensional simulation failure boundary prediction problem within the computational fluid dynamics context of the same rotor. The results demonstrate that our multi-fidelity support vector classification method not only effectively predicts boundaries in these practical scenarios but also outperforms alternative methods, showing its potential as a powerful tool for engineers.…”
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  9. 389

    Thermal Analysis of a Casson Boundary Layer Flow over a Penetrable Stretching Porous Wedge by Dur-e-Shehwar Sagheer, Mohammad Alqudah, Nawal A. Alshehri, M. Sabeel Khan, M. Asif Memon, R. Shehzad, Amsalu Fenta

    Published 2024-01-01
    “…The findings of this investigation contribute to problems in fluid dynamics and heat transfer that involve studying the behavior of a non-Newtonian fluid with Casson rheological properties near a solid porous wedge surface.…”
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    Article
  10. 390

    Modeling flame acceleration in H2 turbulent combustion: Strategies to reduce computational cost by A. Dahmani, R.A. Otón-Martínez, F. Nicolás-Pérez, F.J.S. Velasco, O. de Francisco

    Published 2025-03-01
    “…Reducing the computational cost of fluid dynamics simulations is one of the main challenges in many complex industrial flows’ problems. …”
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  11. 391

    Fractional Dynamics: Applications of the Caputo Operator in Solving the Sawada–Kotera and Rosenau–Hyman Equations by Khudhayr A. Rashedi, Musawa Yahya Almusawa, Hassan Almusawa, Tariq S. Alshammari, Adel Almarashi

    Published 2025-01-01
    “…They offer insights into their practical implications in fluid dynamics, wave mechanics, and other applications governed by fractional-order models.…”
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  12. 392

    Investigation of new solitary stochastic structures to the Heisenberg ferromagnetic spin chain model via a Stratonovich sense by Md. Nur Alam

    Published 2025-03-01
    “…Solitons, as localized wave phenomena, play a significant role in many areas of nonlinear science, such as quantum mechanics, plasma physics, fluid dynamics, water engineering, and optical fiber technology.…”
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  13. 393
  14. 394

    Numerical investigation of segmental baffle design in shell and tube heat exchangers with varying inclination angles and spacing by A. M. Mohammadzadeh, Bahram Jafari, Khashayar Hosseinzadeh, E. Paikar

    Published 2025-02-01
    “…This research uses a three-dimensional computational fluid dynamics (CFD) simulation to model turbulent fluid flow and evaluate the performance of different baffle angle configurations. …”
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    Article
  15. 395

    On the Boundary Conditions in Out-of-Plane Analysis of Thin Plates by the Finite Point Method by Sadegh Tavakoliyan, Mohamad Najar, Parham Memarzadeh, Tadeh Zirakian

    Published 2025-01-01
    “…The finite point method (FPM) is a numerical, mesh-free technique for solving differential equations, particularly in fluid dynamics. While the FPM has been previously applied in solid mechanics to analyze plates under in-plane loading, there remains a notable scarcity of research exploring the out-of-plane analysis of elastic plates using this method. …”
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  16. 396

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

    Published 2025-01-01
    “…Using surrogate-based optimization (SBO) techniques, this research developed winglet geometries with varying geometric parameters such as length, cant angle, and sweep angle with their performance being evaluated through high-fidelity Computational Fluid Dynamics (CFD) simulations. 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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  17. 397

    Heat Transfer Enhancement of Laminar Nanofluids Flow in a Circular Tube Fitted with Parabolic-Cut Twisted Tape Inserts by Sami D. Salman, Abdul Amir H. Kadhum, Mohd S. Takriff, Abu Bakar Mohamad

    Published 2014-01-01
    “…Numerical investigation has been carried out on heat transfer and friction factor characteristics of copper-water nanofluid flow in a constant heat-fluxed tube with the existence of new configuration of vortex generator using Computational Fluid Dynamics (CFD) simulation. Two types of swirl flow generator: Classical twisted tape (CTT) and Parabolic-cut twisted tape (PCT) with a different twist ratio (y = 2.93, 3.91 and 4.89) and different cut depth (w = 0.5, 1.0 and 1.5 cm) with 2% and 4% volume concentration of CuO nanofluid were used for simulation. …”
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  18. 398

    An Overview of Experiments and Numerical Simulations on Airflow and Aerosols Deposition in Human Airways and the Role of Bioaerosol Motion in COVID-19 Transmission by Justus Kavita Mutuku, Wen-Che Hou, Wei-Hsin Chen

    Published 2020-05-01
    “…Herein, in-depth information on in vitro experiments and state-of-the-art review on various computational fluid dynamics (CFD) applications and finite element methods on airflow and aerosol motion in both healthy and obstructed human airways are provided. …”
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  19. 399

    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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  20. 400

    Solar Thermochemical Fuel Production: A Novel, Validated Multiphysics Reactor Model for the Reduction–Oxidation of Nonstoichiometric Redox Cycles by Francesco Orsini, Domenico Ferrero, Davide Papurello, Massimo Santarelli

    Published 2025-01-01
    “…The 1D model integrates heat transfer, fluid dynamics, and redox chemistry, providing the description of a directly irradiated solar receiver–reactor. …”
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