Showing 361 - 380 results of 407 for search '"aerodynamics"', query time: 0.08s Refine Results
  1. 361

    Stability Analysis of Batch Offline Action-Dependent Heuristic Dynamic Programming Using Deep Neural Networks by Timotei Lala

    Published 2025-01-01
    “…We present a practical implementation involving a twin rotor aerodynamical system to emphasize the impact difference between the usage of single-hidden-layer and multiple-hidden-layer NN architectures in BOADHDP learning settings. …”
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    Article
  2. 362

    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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  3. 363

    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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  4. 364

    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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  5. 365

    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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  6. 366

    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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  7. 367

    Nonlinear Random Response Analyses of Panels Considering Transverse Shear Deformations under Combined Thermal and Acoustic Loads by Yeong-Nam Kim, Jae-Sang Park, Eun-Soo Go, Min-Hyuk Jeon, In-Gul Kim

    Published 2018-01-01
    “…The panel structures of flight vehicles at supersonic or hypersonic speeds are subjected to combined thermal, acoustic, and aerodynamic loads. Because of the combined thermal and acoustic loads, the panel structure may exhibit nonlinear random vibration responses, such as the snap-through phenomenon and random vibrations. …”
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  8. 368

    Long-term Measurements of PM2.5 Concentrations in Lubbock, Texas by Mary C. Kelley, Mallory M. Brown, Clifford B. Fedler, Karin Ardon-Dryer

    Published 2020-04-01
    “…Abstract Aerosol particles, such as PM2.5 (particulate matter with an aerodynamic diameter ≤ 2.5 µm), are an important yet variable component of our atmosphere; their presence defines the air quality and profoundly affects human health. …”
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  9. 369

    Aircraft hybrid-electric environment for analysis and design (AHEAD) applied on a fixed-wing drone by Manuel A. Rendón, Patrícia H. Hallak, Yipsy Roque Benito, Marcelo Assato, Camila de Oliveira Cunha, Daniel Miranda Esther, Rafael Grande Pancini Delmonte, Denys Pinto Gonçalves

    Published 2025-03-01
    “…A typical mission is defined, and aerodynamic variables are calculated, as well as the fuel consumption for conventional propulsion. …”
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  10. 370

    Possibility-Based Sizing Method for Hybrid Electric Aircraft by Zin Win Thu, Maxim Tyan, Yong-Hyeon Choi, Mohammad Irfan Alam, Jae-Woo Lee

    Published 2025-01-01
    “…Sensitivity analysis shows that aerodynamic design, airframe, and propulsion efficiencies significantly impact maximum takeoff mass. …”
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    Article
  11. 371

    Impact of monthly air pollution and weather conditions on cardiorespiratory mortality in Portuguese Metropolitan Areas by Ediclê de Souza Fernandes Duarte, Paulo Sérgio Lucio, Lígia Henriques-Rodrigues, Maria João Costa

    Published 2025-02-01
    “…Abstract This study analyses cardiorespiratory mortality rates (CARDIO) and their association with air pollutants - particulate matter with aerodynamic diameters lower of equal to 10 or 2.5 (µm) (PM10, PM2.5), carbon monoxide (CO), nitrogen dioxide (NO2), ozone (O3) - and meteorological variables (temperature, humidity, wind speed, direction) in the Lisbon (LMA) and Porto (PMA) metropolitan areas from 2011 to 2020. …”
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  12. 372

    Research on SiC Speed Controller for High-Voltage Distributed Electric Propulsion System by Labin Wang, Yunhan He, Yun Xu, Li Fan, Junhua Xiang

    Published 2024-01-01
    “…Despite its advantage which helps to build efficient aircraft aerodynamic layout, there are more cables in the distributed propulsion system, which accounts for most of the weight of the aircraft. …”
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  13. 373

    Multiple PM Low-Cost Sensors, Multiple Seasons’ Data, and Multiple Calibration Models by S Srishti, Pratyush Agrawal, Padmavati Kulkarni, Hrishikesh Chandra Gautam, Meenakshi Kushwaha, V. Sreekanth

    Published 2023-02-01
    “…Abstract In this study, we combined state-of-the-art data modelling techniques (machine learning [ML] methods) and data from state-of-the-art low-cost particulate matter (PM) sensors (LCSs) to improve the accuracy of LCS-measured PM2.5 (PM with aerodynamic diameter less than 2.5 microns) mass concentrations. …”
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  14. 374

    A Novel Sustainable Semiconductor/Metal-organic Framework Coated Electret Filter for Simultaneous Removal of PM2.5 and VOCs by Yu Zhang, Zan Zhu, Wei-Ning Wang, Sheng-Chieh Chen

    Published 2023-03-01
    “…Abstract A MIL-125-NH2 metal-organic framework (MOF) coated electret filter, named E-MOFilter, was previously developed to simultaneously remove PM2.5 (particulate matter less than 2.5 µm in aerodynamic diameter) and volatile organic compounds (VOCs, e.g., toluene). …”
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  15. 375

    Assessment of Malaysia-wide PM2.5 Forecasts from a Global Model by Zhixian Tan, Mohd Talib Latif, Matthew J. Ashfold

    Published 2023-06-01
    “…Abstract Airborne particulate matter with an aerodynamic diameter of less than 2.5 µm (PM2.5) is a major air pollutant worldwide. …”
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  16. 376

    DEVELOPMENT OF A NEW GENERATION OF TORNUM REX MINING GRAIN DRYERS AND THEIR DESIGN METHODS by V. Fitsyk

    Published 2024-12-01
    “…Based on the results obtained and the aerodynamic analysis of air flows, the design of a new generation TORNUM REX series grain dryer was developed. …”
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  17. 377

    Improving WRF-Chem PM2.5 predictions by combining data assimilation and deep-learning-based bias correction by Xingxing Ma, Hongnian Liu, Zhen Peng

    Published 2025-01-01
    “…In numerical model simulations, data assimilation (DA) on the initial conditions and bias correction (BC) of model outputs have been proven to be promising approaches to improving PM2.5 (particulate matter with an aerodynamic equivalent diameter of ≤ 2.5 μm) predictions. …”
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  18. 378

    Air Pollution Mediates the Association between Human Mobility and COVID-19 Infection by Kang Lo, Nguyen Thanh Tung, Chih-Da Wu, Huynh Nguyen Xuan Thao, Hoang Ba Dung, Tran Phan Chung Thuy, Hsiao-Chi Chuang

    Published 2021-12-01
    “…We observed that levels of particulate matter with an aerodynamic diameter of < 10 µm (PM10), PM2.5, NO2, and CO mediated associations of walking, driving, and using public transport with confirmed COVID-19 cases (p < 0.05). …”
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  19. 379

    Design of Ice Tolerance Flight Envelope Protection Control System for UAV Based on LSTM Neural Network for Detecting Icing Severity by Ting Yue, Xianlong Wang, Bo Wang, Shang Tai, Hailiang Liu, Lixin Wang, Feihong Jiang

    Published 2025-01-01
    “…Icing on an unmanned aerial vehicle (UAV) can degrade aerodynamic performance, reduce flight capabilities, impair maneuverability and stability, and significantly impact flight safety. …”
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    Article
  20. 380

    Comparison of PM2.5 Chemical Compositions during Haze and Non-haze Days in a Heavy Industrial City in North China by Menghui Li, Liping Wu, Xiangyan Zhang, Xinwu Wang, Wenyu Bai, Jing Ming, Chunmei Geng, Wen Yang

    Published 2020-05-01
    “…Abstract This study aimed to determine the chemical composition, sources and contributing factors of airborne PM2.5 (particulate matter with an aerodynamic diameter ≤ 2.5 µm) during a haze episode in Zibo, a heavy industrial city in China. …”
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    Article