Showing 21 - 40 results of 62 for search 'vortex structure evaluation', query time: 0.09s Refine Results
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    Performance analysis and optimization of LVG-enhanced mini-channel heat sink based on entropy theory by Gaofeng Lu, Munib Qasim Ansari, Naseem Abbas, Muhammad Sajid Kamran

    Published 2025-09-01
    “…The noted performance evaluation factor (PEC) is 1.43 to 1.54 at Re = 317 to 950. …”
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    Article
  3. 23

    Left ventricular flow dynamics by cardiac imaging techniques in heart failure patients: state of the art by Donato Mele, Lorenzo Serio, Riccardo Beccari, Antonella Cecchetto, Stefano Nistri, Gianni Pedrizzetti

    Published 2025-05-01
    “…In patients with HF, alterations in vortex structure and dynamics have been associated with both systolic and diastolic LV dysfunction, demonstrating the potential to diagnose early LV dysfunction. …”
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    Article
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    MODELING CONTROL PROCESSES OF UNSTEADY SEPARATED FLOW IN THE NEAR WAKE by V. T. Kalugin, A. S. Epikhin, E. A. Tsykunova

    Published 2016-11-01
    “…Flow structure and aerodynamic characteristics have been obtained, and evaluation of the perturbations caused by the vortex shedding from the surface of cylinder has been conducted. …”
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    Article
  6. 26

    The Influence of Structural Design on the Hydrodynamics of Floating Offshore Wind Turbine Platforms by Nilotpal Dhar, Charlie J. Lloyd, John Walker, Robert M. Dorrell

    Published 2025-01-01
    “…Floating offshore wind turbine (FOWT) platforms are subject to a wide range of hydrodynamic loading and dynamic movement, making hydrodynamic force evaluation difficult. Amongst various floating platforms, submersible platforms are structurally complex, with multiple members held together by cross-braces. …”
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    Article
  7. 27

    The effective of the passive and active techniques on the vibration control system by Firas Jasim, Mohammed Mohammed, Hatam Kadhom

    Published 2025-07-01
    “…The interaction between structures and fluid flow in a direction perpendicular to the body can induce vibrations in the structure, a phenomenon known as vortex-induced vibration (VIV). …”
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    Article
  8. 28

    Effect of protrusion structure on the performance of an advanced hydrodynamic cavitation reactor: An entropy-based analysis by Gaoju Xia, Sivakumar Manickam, Jingwei Li, Zhiqiang Yin, Wenlong Wang, Xun Sun

    Published 2025-08-01
    “…Comparative analysis of the flow field and vortex structures between the triangular protrusion and the baseline model demonstrated that the protrusion modifies downstream vortex dynamics, stabilizes the clearance flow field, and reduces entropy production. …”
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    Article
  9. 29

    Structural optimization and thermal performance analysis of minichannel heat Sinks: A numerical approach by Danzhu Ma, Zihao Shao, Zhuang Li, Weiwei Jian

    Published 2025-08-01
    “…The results show that compared with the rectangular channel, the unique structure of the wavy channel combined with the hole-shaped secondary channel can effectively disrupt the thermal boundary layer through controlled vortex shedding and the flow boundary layer to generate Dean vortices, which enhances the fluid perturbation, improves the heat transfer efficiency of the minichannel and promotes the heat transfer uniformity across the flow channel. …”
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    Article
  10. 30

    Tribological behaviors of stator rubber with hexagonal micro-texture and enclosed groove of bionic honeycomb structure by Xin-Fu Liu, Chun-Hua Liu, Guang-Xin Hou, Jiang-Yan Guo, Zhong-Xian Hao, Xiang-Zhi Shi

    Published 2025-05-01
    “…Summary: The model of hydrodynamic lubrication in the flow field was developed by coupling of hexagonal micro-texture and enclosed groove with a bionic honeycomb structure. The lubrication performance and friction characteristics of the friction pair between the stator and rotor of a screw pump were evaluated on the simulated and experimental results of high acrylonitrile rubber. …”
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    MATHEMATICAL MODELING OF FLOW PARAMETERS FOR SINGLE WIND TURBINE by S. V. Strijhak

    Published 2017-01-01
    “…For problem definition the numerical method in the form of a box was considered and the adapted unstructured grid was used.The mathematical model included the main equations of continuity and momentum equations for incompressible fluid. The large-scale vortex structures were calculated by means of integration of the filtered equations. …”
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    Article
  13. 33

    Investigating the Impact of Structural Features on F1 Car Diffuser Performance Using Computational Fluid Dynamics (CFD) by Eugeni Pérez Nebot, Antim Gupta, Mahak Mahak

    Published 2025-04-01
    “…This research emphasizes the critical role of vortex management in preventing flow detachment and improving diffuser efficiency. …”
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    Article
  14. 34

    Investigation on the influencing mechanism and quantitative evaluation of stirred heat effect in high-speed mechanical seals by Xuezhong Ma, Xiaoxin Xiao

    Published 2025-03-01
    “…A three-dimensional thermohydrodynamic numerical model consisting of the fluid film, sealed chamber and sealing rings is developed to investigate the influencing mechanism of stirred heat by the comparative analyses of fluid flow, heat generation and transfer and evaluates its influence level by the parameterized analyses about the rotational speed, flushing flow rate, sealing pressure and sealing face structure. …”
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    Stationary thermal-gas-dynamics of flows in the cylinder and exhaust system of a piston engine by L. V. Plotnikov, V. A. Shurupov, V. A. Slednev, D. A. Davydov, D. N. Krasilnikov

    Published 2023-04-01
    “…The vortex structures formed in the valve assembly and the corners of the profiled channels are revealed. …”
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    Article
  17. 37

    Аtmospheric wind flow around the mountain landscape in the vicinity of Danang airport and flight safety issues by V. V. Vyshinsky, K. T. Zoan

    Published 2021-12-01
    “…The evaluation of the forces and moments increment from the impact of vortex structures on the aircraft was carried out by the panel method using the engineering approach. …”
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    Article
  18. 38

    Numerical analysis of energy loss in a laboratory-scale tandem double cylinders based on entropy production method by Han Liang, Zhumei Luo, Tao Guo, Juan Duan, Jun Li, Xia Ren, Ye Li

    Published 2025-02-01
    “…Vortex-induced vibration (VIV) to capture low-velocity water current energy has broad application prospects. …”
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    Article
  19. 39

    A Comparative Study of RANS and PANS Turbulence Models for Flow Characterization Around the Joubert BB2 Submarine by Changhun Lee, Hyeri Lee, Woochan Seok

    Published 2025-05-01
    “…It demonstrated superior capability in capturing coherent vortex structures and preserving axial momentum in the stern region, resulting in more realistic surface pressure recovery and delayed boundary layer separation. …”
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  20. 40

    Unsteady Lifting-Line Free-Wake Aerodynamic Modeling for Morphing Wings by Gregorio Frassoldati, Riccardo Giansante, Giovanni Bernardini, Massimo Gennaretti

    Published 2024-09-01
    “…The wake vorticity released at the trailing edge derives from the bound circulation and is convected downstream as a vortex ring to form the vortex-lattice wake structure. …”
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    Article