Showing 2,081 - 2,100 results of 2,660 for search '"wind tunnel"', query time: 0.11s Refine Results
  1. 2081

    RESEARCH ON DYNAMIC SIMILARITY MODEL TEST OF DAMAGE DETECTION FOR TRANSMISSION TOWER by Zhou Ling, Li Ying-tao, Yang Chao-shan, Deng Zhi-ping, Chen Jin

    Published 2016-10-01
    “…In order to explore the dynamic similarity model test method different from atmospheric boundary layer wind tunnel and shaking table model test, in accordance with dynamic similar theory, an elastic model of a transmission tower with 1/35 scale and 5.2m height has been designed and manufactured with thin-walled circular pipes of high-density polyethylene. …”
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    Article
  2. 2082

    Dynamics of a Flexible Roof Test Model under Ambient Vibrations Measurements by Fabio Rizzo, Chiara Bedon, Sulyman Mansour, Aleksander Pistol, Maria Francesca Sabbà, Łukasz Flaga, Renata Klaput, Dora Foti

    Published 2023-03-01
    “…However, the reduced scale necessary in wind tunnels makes the dynamic identification of the test model difficult. …”
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    Article
  3. 2083

    High Speed Microactuators for Low Aspect Ratio High Speed Micro Aircraft Surfaces by Ronald Barrett-Gonzalez, Nathan Wolf

    Published 2021-10-01
    “…Bench testing of an example PBP micro actuator powered low aspect ratio flight control surface displays +/−11° deflections through 40 Hz, with no occupation of volume within the aircraft fuselage and good correlation between theory and experiment. A wind tunnel model of an example high speed micro aircraft was fabricated along with low aspect ratio PBP flight control surfaces, demonstrating stable deflection characteristics with increasing speed and actuator bandwidths so high that all major aeromechanical modes could be easily controlled. …”
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    Article
  4. 2084

    Surface Pressure Study of an Airfoil Undergoing Combined Pitch and Low-Amplitude Plunge Motions by A. Tabrizian, M. Masdari, M. Tahani

    Published 2019-01-01
    “…The experiments were conducted in a closed-loop wind tunnel utilizing pressure transducers array. The motions were designed to maintain constant reduced frequency, Strouhal number and phase difference. …”
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    Article
  5. 2085

    Unsteady RANS Simulations of Flow around a Twin-Box Bridge Girder Cross Section by Wonmin Jeong, Shengnan Liu, Jasna Bogunovic Jakobsen, Muk Chen Ong

    Published 2019-07-01
    “…The predicted aerodynamic characteristics such as the mean drag, lift and moment coefficients, are generally in good agreement with the results from the wind tunnel tests. Changes of flow patterns and aerodynamic forces with different angles of attack are investigated. …”
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    Article
  6. 2086

    Investigation on the Mechanism of Heat Load Reduction for the Thermal Anti-Icing System by Rongjia Li, Guangya Zhu, Dalin Zhang

    Published 2020-11-01
    “…An experiment carried out in an icing wind tunnel was conducted to validate the optimized results. …”
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    Article
  7. 2087

    Movement Characteristics of Shock Train Under Continuous Change of Incoming Mach Number by Zi-ao WANG, Ren-zhe HUANG, Xuan-an XIN, Jun-tao CHANG

    Published 2023-03-01
    “…In order to study the movement characteristics of shock train with the variation of incident shock, a direct-connect wind tunnel experimental system with variable incoming Mach number was built. …”
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    Article
  8. 2088

    Wake respirometry allows breath-by-breath assessment of ventilation and CO2 production in unrestrained animals by Kayleigh A.R. Rose, Rory P. Wilson, Claudia Ramenda, Hermina Robotka, Martin Wikelski, Emily L.C. Shepard

    Published 2022-09-01
    “…Tests with three bird species in a wind tunnel demonstrated that the system can resolve breath-by-breath changes in CO2 concentration, with clear exhalation signatures increasing in period and integral with body size. …”
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    Article
  9. 2089

    Evaluation of Actuator Disk Model Relative to Actuator Surface Model for Predicting Utility-Scale Wind Turbine Wakes by Zhaobin Li, Xiaolei Yang

    Published 2020-07-01
    “…The capability of the AD model in predicting time-average quantities of wind tunnel-scale turbines has been assessed extensively in the literature. …”
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    Article
  10. 2090
  11. 2091

    A Whisker-inspired Fin Sensor for Multi-directional Airflow Sensing by Kim, Suhan, Kubicek, Regan, Paris, Aleix, Tagliabue, Andrea, How, Jonathan P, Bergbreiter, Sarah

    Published 2021
    “…The system response was then characterized using a commercial wind tunnel and the results were used for sensor calibration. …”
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    Article
  12. 2092

    Corona Discharge in Wind for Electrically Isolated Electrodes by Guerra-Garcia, C, Nguyen, NC, Mouratidis, T, Martinez-Sanchez, M

    Published 2021
    “…This paper focuses on electrode systems that are electrically isolated from their environment and reports on a wind tunnel campaign and accompanying theoretical work. …”
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    Article
  13. 2093

    Controlled Electric Charging of an Aircraft in Flight using Corona Discharge by Guerra-Garcia, Carmen, Fontanes, Pol, Urbani, Michele, Montanya, Joan, Mouratidis, Theodore, Martinez-Sanchez, Manuel, Nguyen, Cuong

    Published 2021
    “…This paper presents a theoretical model of the charging strategy that reveals two distinct regimes of charging and corona operation, as well as wind tunnel experiments using both a sphere-corona tip assembly and a 2D wing-corona wire assembly that confirm the theoretical predictions. …”
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    Article
  14. 2094
  15. 2095

    75-mm wingspan fixed-wing nano air vehicle with a novel aircraft configuration by Pushpangathan, Jinraj V., Kandath, Harikumar, Bhat, M. Seetharama

    Published 2019
    “…The static stability of the nano air vehicle is analyzed using the aerodynamic characteristics obtained from the wind tunnel tests. The outcomes of this analysis indicate that the vehicle is statically stable. …”
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    Journal Article
  16. 2096

    Optimizing flexible wing composite structure for mini-uavs by Weerasooriya Mudiyanselage.

    Published 2013
    “…Next, the wing was tested in wind tunnel to check its flying characteristics. …”
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    Thesis
  17. 2097

    Evolution of NACA23012 wake vortices structure using PIV by Elsayed, Omer Ali, Asrar, Waqar, Omar, Ashraf Ali, Kwon, Kijung

    Published 2012
    “…Particle image velocimetry as a whole field velocity measurement technique was used in a low‐speed wind tunnel to measure and characterize the wing tip vortex. …”
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    Article
  18. 2098

    Longitudinal static stability of a blended wing-body unmanned aircraft with canard as longitudinal control surface / Rizal E. M. Nasir, Wahyu Kunjoro and Wirachman Wisnoe by E.M. Nasir, Rizal, Kunjoro, Wahyu, Wisnoe, Wirachman

    Published 2012
    “…Mathematical models of trim flight parameters established here produces plots that have good agreement with plots of trim flight parameters found directly from wind tunnel experiments. Large static margin demands large positive canard angle for trim flight while agility can be achieved by moving the CG closer to aircraft’s neutral point. …”
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    Article
  19. 2099

    The effects of turbulence length scale on heat transfer by Moss, R, Moss, Roger

    Published 1992
    “…</p><p>The second used a pre-heated flat plate in a transient wind tunnel to determine heat transfer rates with freestream turbulence generated by a number of parallel bar grids. …”
    Thesis
  20. 2100

    Experimental and numerical analyses of wind-induced noise in two-way radios by Wan Masrurah Hairudin, Ummi Masyitah Mohd Fisol, Norilmi Amilia Ismail

    Published 2021
    “…In the cavity position of P5, SPL is decreased due to the wind velocity exceeding the maximum level of a wind tunnel. Therefore, the cavity position of P5 is suitable for reducing wind noise. …”
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    Article