Showing 281 - 300 results of 407 for search '"aerodynamic"', query time: 0.04s Refine Results
  1. 281

    Predicting Early Bulbar Decline in Amyotrophic Lateral Sclerosis: A Speech Subsystem Approach by Panying Rong, Yana Yunusova, Jun Wang, Jordan R. Green

    Published 2015-01-01
    “…Physiologic speech subsystem (respiratory, phonatory, articulatory, and resonatory) functions were evaluated longitudinally in 66 individuals with ALS using multiple instrumentation approaches including acoustic, aerodynamic, nasometeric, and kinematic. The instrumental measures of the subsystem functions were subjected to a principal component analysis and linear mixed effects models to derive a set of comprehensive predictors of bulbar dysfunction. …”
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  2. 282

    Dynamic Stiffness Measurements of Road Pavements by Means of Impact Hammer in a Non-Resonant Configuration by Matteo Bolognese, Erica Greco, Francesco Bianco, Gaetano Licitra

    Published 2025-01-01
    “…The different sources of noise in a vehicle have long been known, and they include noise from the engine and other mechanical parts, aerodynamic noise, and rolling noise. More specifically, the latter concerns the interaction between the tire and the road surface, and so it is also known as Tire–Road Noise (TRN). …”
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  3. 283

    Optical Properties of the Urban Aerosol Particles Obtained from Ground Based Measurements and Satellite-Based Modelling Studies by Genrik Mordas, Nina Prokopciuk, Steigvilė Byčenkienė, Jelena Andriejauskienė, Vidmantas Ulevicius

    Published 2015-01-01
    “…Measurements included the light scattering coefficients at 3 wavelengths (450, 550, and 700 nm) measured with an integrating nephelometer and aerosol particle size distribution (0.5–12 μm) and number concentration (Dpa > 0.5 μm) registered by aerodynamic particle sizer. Particle number concentration and mean light scattering coefficient varied from relatively low values of 6.0 cm−3 and 12.8 Mm−1 associated with air masses passed over Atlantic Ocean to relatively high value of 119 cm−3 and 276 Mm−1 associated with South-Western air masses. …”
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  4. 284

    Optimization of Wind Turbine Airfoil Using Nondominated Sorting Genetic Algorithm and Pareto Optimal Front by Ziaul Huque, Ghizlane Zemmouri, Donald Harby, Raghava Kommalapati

    Published 2012-01-01
    “…FLUENT, which is a commercial CFD simulation code, was used to determine the relevant aerodynamic loads. The Lift Coefficient (CL) and Drag Coefficient (CD) data at a range of 0° to 12° angles of attack (α) and at three different Reynolds numbers (Re=68,459, 479, 210, and 958, 422) for all the six airfoils were obtained. …”
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  5. 285

    A multi-faceted review of wind turbine optimization techniques: Metaheuristics and related issues by Hegazy Rezk, Abdul Ghani Olabi, Tabbi Wilberforce, Enas Taha Sayed

    Published 2025-03-01
    “…These problems include aerodynamic design, structural design, damage detection, optimal onshore and offshore locations, control optimization, and wind energy assessment. …”
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  6. 286

    Investigation of Structural Nonlinearity Effects on the Aeroelastic and Wake Characteristics of a 15 MW Wind Turbine by Zhenju Chuang, Lulin Xia, Yan Qu, Wenhua Li, Jiawen Li

    Published 2025-01-01
    “…The study finds that nonlinear deformations reduce predicted angle of attack, decrease aerodynamic load distribution, and lead to a noticeable decline in both wind turbine performance and blade deflection. …”
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  7. 287

    The effect of manufacturing defects and license plate on the energy efficiency of solar vehicles by Burak İpek, Mehmet Yıldız, Tunahan Akış, Aytaç Gören

    Published 2024-11-01
    “…From this perspective, the aim of this study is to investigate the effect of manufacturing defects on the aerodynamic performance of solar vehicles. An analysis of these manufacturing defects at different vehicle speeds has been conducted. …”
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  8. 288

    Numerical and experimental investigation of piezoelectric-pneumatic material jet printing method for high-viscosity ink by Xinyi Hu, Xiaoran Dong, Zhanda Li, Junhui Long, Yuan Jin, Hui Li

    Published 2025-12-01
    “…In this work, a two-dimensional computational fluid dynamics model is presented to elucidate the multiphase aerodynamic phenomenon and deposition morphology of jet printing features. …”
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  9. 289

    Multi-Sensor Instrument for Aerosol In Situ Measurements by Ilya Bruchkouski, Artur Szkop, Jakub Wink, Justyna Szymkowska, Aleksander Pietruczuk

    Published 2025-01-01
    “…To enhance particle transmission efficiency to the IAMU sensors, aerodynamic modeling of the inlet pipes was performed, accounting for particle density and diameter. …”
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  10. 290

    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
    “…Numerical calculations indicate that partial and cavity squealer designs can be effective to reduce the aerodynamic loss and heat transfer to the blade tip. …”
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  11. 291

    Full-scale wind turbine performance assessment: a customised, sensor-augmented aeroelastic modelling approach by T. H. Malik, C. Bak

    Published 2025-01-01
    “…<p>Blade erosion of wind turbines causes significant performance degradation, impairs aerodynamic efficiency, and reduces power production. …”
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  12. 292

    Laser cutting study of zirconium alloys for nuclear decommissioning by Jae Sung Shin, Joonsoo Ock, Sungyeol Choi

    Published 2025-02-01
    “…Analyzing the physical properties of aerosols, both zirconium alloys generated larger particles with a count median aerodynamic diameter of 0.25 μm, which is approximately 15–17 % larger than that of 304 L stainless steel.…”
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  13. 293

    Flame–Flame Interactions and Jet–Jet Interactions in Gas Turbine Swirl Combustors by Wei Wei, Xin Hui, Xin Xue, Qiang An, Shiyang Yu

    Published 2025-01-01
    “…To reduce these costs during the design phase, researchers often simplify annular combustors into single-dome configurations using aerodynamic and thermodynamic similarity principles. …”
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  14. 294

    Design and Application of a Test Rig for Stationary Component Performance Measurement of Centrifugal Compressors by K. Zhao, Y. Liu, Y. Zhang, X. Liu, H. Shi

    Published 2025-02-01
    “…These results align with the findings obtained on a rotating test rig, indicating the feasibility of the proposed stationary component aerodynamic performance test rig.…”
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  15. 295

    EFFECT OF THE FILL VENTILATION WINDOW ON PERFORMANCE OF A NATURAL DRAFT COOLING TOWER SUBJECTED TO CROSS-WINDS by K. V. Dobrego

    Published 2016-09-01
    “…Various aerodynamic design elements and technics (wind deflectors, wind walls, etc.) are utilized for improvement of the thermal efficiency of the natural draft cooling towers, particularly in conditions of cross wind. …”
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  16. 296

    Extreme thermal load generation method for high-temperature structures in atmospheric environment by WANG Binwen, ZHANG Yi, QIN Qiang, CHEN Hong, WU Jingtao

    Published 2024-12-01
    “…For addressing the severe aerodynamic thermal load simulation challenge of hypersonic aircraft in ground tests, an extreme thermal load generation method based graphite for high-temperature structures in atmospheric environment is proposed. …”
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  17. 297

    Time-Optimal Trajectory Planning along Parametric Polynomial Lane-Change Curves with Bounded Velocity and Acceleration: Simulations for a Unicycle Based on Numerical Integration by Chien-Sheng Wu, Zih-Yun Chiu, Jing-Sin Liu

    Published 2018-01-01
    “…This could provide a reference for on-road lane-change trajectory planning along a given path other than parametric polynomials for significantly more complex, complete higher-dimensional highly nonlinear dynamic model of autonomous ground vehicle considering aerodynamic forces, tire and friction forces of tire-ground interaction, and terrain topology in real-world.…”
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  18. 298

    Engineering Application of an Identification Method to Shock-Induced Vortex Stability in the Transonic Axial Fan Rotor by Yan Xue, Ning Ge

    Published 2021-01-01
    “…The excellent agreement between the both indicates that the current code is capable of capturing the dominant secondary flow structures and aerodynamic phenomenon, especially the vortex system in tip region and SW/TLV interaction. …”
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  19. 299

    Investigations on Quasi-Steady Characteristics for an Airfoil Oscillating at Low Reduced Frequencies by Deepakkumar M. Sharma, Kamal Poddar

    Published 2010-01-01
    “…Wind tunnel experiments were conducted on NACA-0015 airfoil model to investigate the effect of the reduced frequency (κ=0.0001 to 0.5) and that Reynolds number (Re=0.2E06 to 0.7E06) on the aerodynamic characteristics and hysteresis behavior associated with the oscillating motion of the airfoil. …”
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  20. 300

    Experimental Investigation of Thermal Modal Characteristics for a Ship’s Foundation under 300°C by Zheyu Ding, Hongbai Bai, Yiwan Wu, Yue Zhu, Yichuan Shao

    Published 2019-01-01
    “…The joint test system consists of a transient aerodynamic heating environment simulation system and a vibration excitation and acquisition system. …”
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