Showing 581 - 600 results of 696 for search '"turbulence"', query time: 0.04s Refine Results
  1. 581

    Design and Analysis of Combined Valve Spool with Linear Flow Coefficient by Changxiong Xie, Heng Su, Jun Yang, Zhongjing He

    Published 2022-01-01
    “…The orifice flow model is generally established based on the turbulent state, and the flow discharge is considered to be a constant value. …”
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    Article
  2. 582

    Near-Field Aeroacoustics of Spanwise Forcing on a Transonic Wing: A DNS Study by Niccolò Berizzi, Davide Gatti, Giulio Soldati, Sergio Pirozzoli, Maurizio Quadrio

    Published 2025-01-01
    “…The transonic airflow around a supercritical wing with a shock wave is described via direct numerical simulations. Flow control for turbulent drag reduction is applied via streamwise traveling waves of spanwise velocity applied on a finite portion of the suction side. …”
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  3. 583

    Proper Orthogonal Decomposition as Surrogate Model for Aerodynamic Optimization by Valentina Dolci, Renzo Arina

    Published 2016-01-01
    “…The proposed method is applied to subsonic turbulent flows and the proper orthogonal decomposition is based on an ensemble of high-fidelity computations. …”
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  4. 584

    Kajian Aerodinamika Pada Model Kendaraan dengan Penerapan Kontrol Aktif Suction by Rustan Tarakka, Nasaruddin Salam, Jalaluddin Jalaluddin, Wawan Rauf, Muhammad Ihsan

    Published 2021-04-01
    “…<p>As the air flow reaches the rear part of the vehicle the flow will undergo separation generated by friction and fluid viscosity, and creating wake, considerably large turbulent area with low pressure at the rear of the vehicle which results in pressure drag which can reduce vehicle performance. …”
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    Article
  5. 585

    Solar Modulation of AMS-02 Daily Proton and Helium Fluxes with Modified Force-field Approximation Models by Cheng-Rui Zhu, Mei-Juan Wang

    Published 2025-01-01
    “…As galactic cosmic rays (GCRs) propagate through the turbulent plasma environment within the heliosphere, they undergo a process of diffusion, drift, and energy loss, leading to a notable reduction in their flux. …”
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    Article
  6. 586

    The Impact of Production Techniques on Pore Size Distribution in High-Strength Foam Concrete by Slava Markin, Genadijs Sahmenko, Aleksandrs Korjakins, Viktor Mechtcherine

    Published 2025-01-01
    “…Techniques such as the use of a cavitation disintegrator and a turbulent mixer were employed to produce foam concrete. …”
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    Article
  7. 587

    The Impact of Managers’ Attitude Towards Internet Marketing on Internet Marketing Adoption in Organizations (Case Study: Book-Publishing and Distribution Companies in Iran) by Hamidreza Rezvani, Narges Aghakhani

    Published 2020-09-01
    “…In today’s turbulent and competitive market, organizations tend to use Internet marketing for achieving and maintaining optimal performance in order to gain competitive advantage. …”
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    Article
  8. 588

    Simulation Study on the Effect of Forced Ventilation in Tunnel under Single-Head Drilling and Blasting by Qingsong Pu, Yi Luo, Junhong Huang, Yingwei Zhu, Shaohua Hu, Chenhao Pei, Guang Zhang, Xinping Li

    Published 2020-01-01
    “…Based on the excavation of Yuelongmen tunnel on ChengLan Railway in China, this paper will probe into the forced ventilation effect of harmful gas generated by drilling and blasting construction, simulate the diffusion process of harmful gas generated during blasting operation on the tunnel face by establishing the finite element model of gas turbulent flow and concentration diffusion in the tunnel, and study the spatial-temporal evolution law of CO concentration field under different air pipe layout locations and tunnel excavation methods. …”
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    Article
  9. 589

    The Numerical Stimulation of Methane-Air Mixing Characteristics in Wellbore during the Air Jet Injection by Zhixiang Tao, Chengzheng Cai, Zengxin Zou, Yugui Yang, Yinrong Feng

    Published 2022-01-01
    “…According to the distributions of the methane concentration and flow field characteristics, methane-air mixing inside the wellbore can be divided into three types: free diffusion mixing, turbulent pulsating mixing, and regenerated vortex mixing. …”
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    Article
  10. 590

    Teaching history: pedagogical practices and complexities in upper secondary schools of Ethiopia by Sisay Awgichew Wondemtegegn, Enguday Ademe Mekonnen

    Published 2023-01-01
    “…Moreover, the grand historical narratives and counter-narratives apparently made Ethiopia’s history turbulent and complex as such narratives are influenced by political factors. …”
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    Article
  11. 591

    Static Properties and Current-Driven Dynamics of Domain Walls in Perpendicular Magnetocrystalline Anisotropy Nanostrips with Rectangular Cross-Section by Eduardo Martinez

    Published 2012-01-01
    “…In asymmetric stacks, where the Rashba spin-orbit field stabilizes the domain wall against turbulent transformations, the steady linear regime is extended to higher currents, leading to higher velocities than in single-layer or symmetric stacks. …”
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  12. 592

    Presenting a Management Model for a Multiobjective Sustainable Supply Chain in the Cellulosic Industry and Its Implementation by the NSGA-II Meta-Heuristic Algorithm by Meisam Mehri Charvadeh, Shademan Pourmousa, Ajang Tajdini, Abbas Tamjidi, Vahidreza Safdari

    Published 2022-01-01
    “…In recent years, with changing conditions in global markets and competition between supply chains, organizations have realized that in order to grow and survive in today’s turbulent environment, they must make every effort to create and maintain a sustainable competitive advantage. …”
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  13. 593

    Navier-Stokes: Singularities and Bifurcations by Rômulo Damasclin Chaves dos Santos, Jorge Henrique de Oliveira Sales

    Published 2024-10-01
    “…Additionally, we discuss how these theoretical advancements offer new approaches to unresolved problems related to the formation of singularities in turbulent flows and the multiscale behavior of solutions, which are crucial for a comprehensive understanding of fluid dynamics. …”
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    Article
  14. 594

    CFD Analysis and Electrical Efficiency Improvement of a Hybrid PV/T Panel Cooled by Forced Air Circulation by Gökhan Ömeroğlu

    Published 2018-01-01
    “…The main objective of this study is to determine the critical threshold for the abovementioned parameters as well as to show how important parameters, such as fin arrangement and consequent turbulent air flows, are for satisfying the heat removal needs. …”
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    Article
  15. 595

    Teaching history: pedagogical practices and complexities in upper secondary schools of Ethiopia by Sisay Awgichew Wondemtegegn, Enguday Ademe Mekonnen

    Published 2023-01-01
    “…Moreover, the grand historical narratives and counter-narratives apparently made Ethiopia’s history turbulent and complex as such narratives are influenced by political factors. …”
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    Article
  16. 596

    Modeling of Solitary Wave Interaction with Curved Face Seawalls Using Numerical Method by Seyyed-Mahmood Ghassemizadeh, Mohammad Javad Ketabdari

    Published 2022-01-01
    “…This interaction was simulated using the Finite Volume Method-Volume of Fraction (FVM-VOF) approach. To model the turbulent free-surface flow, coupled VOF and k-ε-RNG methods were used. …”
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    Article
  17. 597

    Effects of Active and Passive Control Techniques on Mach 1.5 Cavity Flow Dynamics by Selin Aradag, Kubra Asena Gelisli, Elcin Ceren Yaldir

    Published 2017-01-01
    “…The flow is transient, turbulent, and complicated. Pressure fluctuations inside the cavity can impede successful weapon release. …”
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    Article
  18. 598

    Estimate of the Arctic Convective Boundary Layer Height from Lidar Observations: A Case Study by L. Di Liberto, F. Angelini, I. Pietroni, F. Cairo, G. Di Donfrancesco, A. Viola, S. Argentini, F. Fierli, G. Gobbi, M. Maturilli, R. Neuber, M. Snels

    Published 2012-01-01
    “…The scope of the present study is to compare several approaches to estimate the PBL height, by using lidar observations, meteorological measurements by radio soundings, and a zero-order one-dimensional model based on a parameterization of the turbulent kinetic energy budget within the mixing layer, under the assumptions of horizontal homogeneity, and neglecting radiation and latent heat effects. …”
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  19. 599

    Numerical Study on Flow and Heat Transfer Mechanisms in the Heat Exchanger Channel with V-Orifice at Various Blockage Ratios, Gap Spacing Ratios, and Flow Directions by Amnart Boonloi, Withada Jedsadaratanachai

    Published 2019-01-01
    “…The purposes of the design are to reduce the pressure loss, increase the vortex strength, and increase the turbulent mixing of the flow. The influence of the blockage ratio and V-orifice arrangement is investigated. …”
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  20. 600

    Numerical Investigation of Droplet Properties of a Liquid Jet in Supersonic Crossflow by Yu-Qi Wang, Feng Xiao, Sen Lin, Yao-Zhi Zhou

    Published 2021-01-01
    “…Moreover, it was also found that the modified KH-RT breakup model is applied better to turbulent inflow of a liquid jet than laminar inflow concluded from the comparisons with experimental results. …”
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    Article