Showing 241 - 260 results of 407 for search '"aerodynamic"', query time: 0.05s Refine Results
  1. 241

    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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  2. 242

    An Algorithm for Global Optimization Inspired by Collective Animal Behavior by Erik Cuevas, Mauricio González, Daniel Zaldivar, Marco Pérez-Cisneros, Guillermo García

    Published 2012-01-01
    “…These collective behaviors are often advantageous to groups, allowing them to increase their harvesting efficiency, to follow better migration routes, to improve their aerodynamic, and to avoid predation. In the proposed algorithm, the searcher agents emulate a group of animals which interact with each other based on the biological laws of collective motion. …”
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  3. 243

    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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  4. 244

    Dynamic Gust Load Analysis for Rotors by Yuting Dai, Linpeng Wang, Chao Yang, Xintan Zhang

    Published 2016-01-01
    “…The generalized dynamic wake model and Leishman-Beddoes dynamic stall model are applied to calculate the nonlinear unsteady aerodynamic forces on rotors. Then, we transformed the differential aeroelastic governing equation to an algebraic one. …”
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  5. 245

    A fault tolerant control for iced aircraft based on fixed-time incremental dynamic inversion with FTESO by JIANG Feihong, LIU Xiaoxiong, LIU Zhenbao, LI Yu, CHEN Jiaxin

    Published 2024-12-01
    “…Icing seriously affects the aerodynamic coefficients and flight performance of an aircraft. …”
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  6. 246

    Dynamic Characteristics of Blade with Viscoelastic Damping Block Based on Complex Eigenvalue Method by Jiao Wang, Yue-hao Zhang, Tao Yu, Qing-kai Han

    Published 2018-01-01
    “…The dynamical equation for a rotational viscoelastic damping block-blade (VE-blade) in a centrifugal force field and aerodynamic force field is established to calculate the dynamical natural frequency and responses of the VE-blade. …”
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  7. 247

    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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  8. 248

    Polnische Nasalvokale, grafisch geschrieben als <ę> und <ą>. Eine Vielzahl von Studien zur auditiven, artikulatorischen und akustischen Phonetik by Sofia Kamińska

    Published 2025-02-01
    “…Research on nasal vowels aimed to better understand functioning of muscles controlling the activity of the soft palate and pharyngeal wall, analysing velar-pharyngeal movements, and aerodynamic conditions created by the varied movements of active articulators. …”
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    Article
  9. 249

    EFFECTS OF CONTINUOUS AND FRACTURED RIBS PLACED AT THE ENDWALL SURFACE UPSTREAM OF THE TURBINE-VANE LEADING-EDGE by Adeola Suhud Shote, Samson Abiodun Aasa, Olabode T Olakoyejo, Aderemi Musiliudeen Bamiduro

    Published 2024-07-01
    “…Huge amount of energy from the cross-flows near the middle of the vane actual chord are transported downstream by this chaotic flow which often results in aerodynamic loss and differential heat penalties. To compare the different arrangement, comparisons of the two geometries, the impact of adding various rib configurations upstream are studied for heat augmentation efficacies. …”
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  10. 250

    Theoretical and Numerical Studies of Dynamic Scaling of a Six-Degree-of-Freedom Laser Propulsion Vehicle by Masayuki Takahashi, Naofumi Ohnishi

    Published 2015-01-01
    “…Motion equivalence was maintained for multiple pulses by adjusting the repetition frequency of the pulse incident to correct for the effect of aerodynamic drag during the free flight of the pulse-to-pulse interval. …”
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  11. 251

    Interpolation-Based Modeling Methodology for Efficient Aeroelastic Control of a Folding Wing by Chengyu Yue, Yonghui Zhao

    Published 2021-01-01
    “…The underlying inconsistencies among local linear time-invariant (LTI) models are solved through the modal matching of structural modes and the special treatment of the rational functions in aerodynamic models. Once the local LTI models are represented in a coherent state-space form, the aeroservoelastic (ASE) model at any operating point can be immediately generated by the matrix interpolation technique. …”
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  12. 252

    Fuel Economy in Truck Platooning: A Literature Overview and Directions for Future Research by Linlin Zhang, Feng Chen, Xiaoxiang Ma, Xiaodong Pan

    Published 2020-01-01
    “…Several studies have proved that traveling in platoons can significantly improve fuel economy due to the reduced aerodynamic drag. However, most literature only provides scattered pieces of information regarding fuel economy in truck platoons. …”
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  13. 253

    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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  14. 254

    Research on RBV Control Strategy of Large Angle Maneuver by Jiangtao Xu, Na Luo, Yu Fu, Litong Wang, Xiande Wu

    Published 2014-01-01
    “…Firstly, considering the nonlinear characteristics of aerodynamic coefficients varying with Mach numbers, attack angle, and sideslip angle, the complete nonlinear 6-DOF model of RBV is established. …”
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  15. 255

    A Time Efficient Adaptive Gridding Approach and Improved Calibrations in Five-Hole Probe Measurements by Jason Town, Cengiz Camci

    Published 2015-01-01
    “…Five-Hole Probes (FHP), being a dependable and accurate aerodynamic tool, are an excellent choice for measuring three-dimensional flow fields in turbomachinery. …”
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  16. 256

    Development of Anisogrid Lattice Composite Structures for Fighter Wing Applications by Muhammad Kusni, Bambang Kismono Hadi, Leonardo Gunawan, Hendri Syamsudin

    Published 2024-01-01
    “…Various lift distributions, including triangular, Schrenk, and constant, are applied to evaluate the structure’s response to static failure caused by aerodynamic loads. The anisogrid structure design incorporates inclined lattice elements between ribs and spars, with spar arrangement in the wing box featuring an anisogrid configuration. …”
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  17. 257

    Influencing Factors on Vehicles Lateral Stability on Tunnel Section in Mountainous Expressway under Strong Wind: A Case of Xi-Han Highway by Lu Wang, Xiaoxin Chen, Hong Chen

    Published 2020-01-01
    “…When a car is running at high speed, the canyon wind at the bridge-tunnel junction in the mountainous area brings along the acceleration effect. The aerodynamic lateral force will cause the vehicle sideslip and unsteady steering, which is extremely harmful to driving safety. …”
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  18. 258

    Numerical Simulation of Helicopter Rotor Performance Degradation in Natural Rain Encounter by Guozhi Li, Yihua Cao

    Published 2021-01-01
    “…This problem can be mainly attributed to the aerodynamic performance degradation of aircraft. In this article, in order to quickly understand the influence of rainfall aiming at the engineering application, an approach to predict helicopter rotor performance degradation in heavy rain encounters is presented. …”
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  19. 259

    Nonlinear Dynamics of the High-Speed Rotating Plate by Minghui Yao, Li Ma, Wei Zhang

    Published 2018-01-01
    “…The rotating blades under working condition frequently suffer from the aerodynamic, elastic and inertia loads, which may lead to large amplitude nonlinear oscillations. …”
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  20. 260

    Porous ground treatments for propeller noise reduction in ground effect by Hasan Kamliya Jawahar, Liam Hanson, Md. Zishan Akhter, Mahdi Azarpeyvand

    Published 2025-01-01
    “…Abstract This study investigates the aerodynamic and aeroacoustic behavior of propellers operating in ground-effect conditions, with an emphasis on the impact of porous ground surface treatments. …”
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