Showing 361 - 380 results of 500 for search '"aerodynamics"', query time: 0.04s Refine Results
  1. 361

    Estimating the Evaporation from Irrigation Canals in Northwestern China Using the Double-Deck Surface Air Layer Model by Suhua Liu, Weizhen Wang, Makito Mori, Tetsuo Kobayashi

    Published 2016-01-01
    “…The evaporation from irrigation canals was estimated by the aerodynamic method based on the double-deck surface air layer model (called “DSAL model” for short hereafter). …”
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    Article
  2. 362

    Emergency Flight Control Based on the Fan Wing by Lin Meng, Shuo Wang, Ye Chen, Yang Gao

    Published 2021-01-01
    “…It provides the possibility for its emergency flight control when the aerodynamic control becomes inefficient at a low speed. …”
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    Article
  3. 363

    Dynamic Analysis of Flexible Shaft and Elastic Disk Rotor System Based on the Effect of Alford Force by Wenjun Yang, Huiqun Yuan, Li Hui, Kaifeng Zhang

    Published 2019-01-01
    “…The proportion of rotor responses caused by aerodynamic excitation force becomes larger with the increase of rotational speed and disk radius. …”
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    Article
  4. 364

    Parametric Studies of Flat Plate Trajectories Using VIC and Penalization by François Morency, Héloïse Beaugendre

    Published 2018-01-01
    “…A VIC scheme is used to solve the flow equations. The aerodynamic forces and moments are used to compute the acceleration and the velocity of the solid. …”
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    Article
  5. 365

    Investigation and Improvement of Stall Characteristic of High-Lift Configuration without Slats by Zhao Yang, Jie Li, Jing Jin, Heng Zhang, Youxu Jiang

    Published 2019-01-01
    “…Focusing on the low-speed stall and poststall conditions, we investigated the aerodynamic characteristics and flow mechanism of high-lift configuration without slats using an improved delayed detached eddy simulation (IDDES) model which is validated by numerical simulations of the Common Research Model (CRM). …”
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    Article
  6. 366

    Flight Dynamics Modeling and Dynamic Stability Analysis of Tilt-Rotor Aircraft by Ke Lu, Chunsheng Liu, Chunhua Li, Renliang Chen

    Published 2019-01-01
    “…The results show that the flight speed and nacelle angle would affect the magnitude and the trend of the aerodynamic derivatives. The damping of the pitch short period mode and the Dutch roll mode is insensitive to flight speed while they could be affected by nacelle angle. …”
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    Article
  7. 367

    A Miniaturized High-Gain Flexible Antenna for UAV Applications by Xinhuan Yang, Yanzhu Qi, Bo Yuan, Yazi Cao, Gaofeng Wang

    Published 2021-01-01
    “…As an important merit to be highlighted, the flexible cable can greatly reduce the volume and aerodynamic drag of the antenna. It has a low-profile compact size of 196 × 15 × 0.8 mm3 (excluding flexible cable). …”
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    Article
  8. 368

    Impulse Force Balance for Ultrashort Duration Hypersonic Test Facilities by P. Singh, V. Menezes, K. J. Irimpan, H. Hosseini

    Published 2015-01-01
    “…The accelerometer outputs from the model in the hypersonic freestream were processed using the respective impulse response functions to derive the unknown aerodynamic force and moments. The newly adopted convolution technique has been found very effective for data reduction from accelerometer force balances developed for shock tunnel applications.…”
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    Article
  9. 369

    Monitoring air quality in residential areas with low-cost sensors: Santa Cecilia case by Oscar Arnulfo Fajardo-Montaña, Yeimy Alejandra Salinas, Carlos Reyes, Daniel Santiago Becerra-Casas

    Published 2025-01-01
    “…This study evaluates the behaviour of particulate matter with an aerodynamic diameter below 2.5 micrometres (PM2.5) in indoor environments of the Santa Cecilia neighbourhood, relative to outdoor atmospheric concentrations, using custom-designed low-cost sensors. …”
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    Article
  10. 370

    Investigation of the Pulsed Annular Gas Jet for Chemical Reactor Cleaning by Zvegintsev Valery Ivanovich, Nalivaichenko Denis Gennadievich, Chirkashenko Vladimir Fedorovich

    Published 2012-01-01
    “…For the solving of the task of reactor internal walls cleaning the pulsed gaseous system was suggested and investigated, which throws circular oxygen jet along surfaces through regular intervals. Study of aerodynamic efficiency of the impulse system was carried by numerical modeling and experimentally with the help of a specially created experimental facility. …”
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    Article
  11. 371

    Sliding Mode Disturbance Observer-Based Control of a Laboratory Twin Rotor Multi Input-Multi Output System by Seyyed Sajjad Moosapour, Habib Mehdipour, Mehrdad Keramatzadeh

    Published 2025-01-01
    “…The TRMS is a two rotational degree-of-freedom unstable structure with significant channel-coupling, nonlinear characteristics, and external disturbances, which resembles a real helicopter’s characteristics and can be used as an aerodynamic testing setup. The coupled nonlinear state-space representation of the developed TRMS is obtained, and model parameters are identified. …”
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    Article
  12. 372

    Structural characteristic analysis of new type bend-twist coupling blades of large wind turbine by WANG HaiSheng, MIAO WeiPao, LI Chun, ZHANG Li, ZHU HaiBo

    Published 2024-06-01
    “…The composite lamination design was carried out in accordance with the real processing technology, and the aerodynamic force of the blade was obtained by the computational fluid dynamics (CFD) method. …”
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    Article
  13. 373

    Gust Mitigation of Micro Air Vehicles Using Passive Articulated Wings by Adetunji Oduyela, Nathan Slegers

    Published 2014-01-01
    “…Birds and insects naturally use passive flexing of their wings to augment their stability in uncertain aerodynamic environments. In a similar manner, micro air vehicle designers have been investigating using wing articulation to take advantage of this phenomenon. …”
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    Article
  14. 374

    Cracks path growth in turbine blades with TBC under thermo – mechanical cyclic loadings by T. Sadowski, P. Golewski

    Published 2015-12-01
    “…In high temperature one of the most often occuring interactions in the turbine engine are time variable force fields, caused by non-stationary flowing of an exhaust gas and aerodynamical interaction of the engine elements. The extremal thermo-mechanical loadings initiate gradual degradation process of the blades as a result of fatigue and material creep. …”
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    Article
  15. 375

    Crosswise Wind Shear Represented as a Ramped Velocity Profile Impacting a Forward-Moving Aircraft by Mahmood Khalid

    Published 2019-01-01
    “…While it would be difficult to model an instantaneous velocity gradient in a lateral plane, a vortical flow impinging from the sides which represents a wind shear in a vertical direction is imposed on a forward-moving aircraft to investigate the effect on the aerodynamic performance. The maximum shear wind speed from the side was fixed at 0.3 times the forward velocity. …”
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  16. 376

    Influence of Turbulence, Orientation, and Site Configuration on the Response of Buildings to Extreme Wind by Aly Mousaad Aly

    Published 2014-01-01
    “…The methodology presented can be followed to help decision makers to choose among innovative solutions like aerodynamic mitigation, structural member size adjustment, and/or damping enhancement, with an objective to improve the resiliency and the serviceability of buildings.…”
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    Article
  17. 377

    Prediction of Lift Coefficient for Tandem Wing Configuration or Multiple-Lifting-Surface System Using Prandtl’s Lifting-Line Theory by Hao Cheng, Hua Wang

    Published 2018-01-01
    “…In tandem airfoil configuration or multiple-lifting-surface layouts, due to the flow interaction among their lifting surfaces, the aerodynamic characteristics can be affected by each other. …”
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    Article
  18. 378

    Investigations on the Blade Vibration of a Radial Inflow Micro Gas Turbine Wheel by Shijie Guo

    Published 2007-01-01
    “…Secondly, turbine blades suffer many excitations during operation, such as pressure fluctuations (unsteady aerodynamic forces), torque fluctuations, and so forth. …”
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  19. 379

    Aeroservoelastic Pitch Control of Stall-Induced Flap/Lag Flutter of Wind Turbine Blade Section by Tingrui Liu

    Published 2015-01-01
    “…The aeroelastic governing equations combine a flap/lag structural model and an unsteady nonlinear aerodynamic model. The nonlinear resulting equations are linearized by small perturbation about the equilibrium point. …”
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    Article
  20. 380

    Aeroelastic Stability Analysis of a Laminated Composite Sandwich Panel With a Magnetorheological Fluid Core Under Yawed Supersonic Airflow by Jian Zhou, Liang Li, Minglong Xu

    Published 2024-01-01
    “…The aeroelastic equations for a rectangular sandwich panel (MRF core layer and composite cross-ply laminate constraining and host layers) were established using a MIN3 plate element. Aerodynamic forces for different yawed angles would result in different coupled flutter boundaries of the panel. …”
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    Article