Showing 301 - 320 results of 500 for search '"aerodynamics"', query time: 0.04s Refine Results
  1. 301

    Concentration of Particulate Matter and Air Humidity in Pediatric Intensive Care Unit by Pasaribu Hotber Edwin Rolan, Afandi Dedi, Hamidy Yulis

    Published 2025-01-01
    “…The quality of indoor air is partly determined by the levels of PM2.5 (particles with an aerodynamic diameter ≤2.5μ m) and PM10 (particles with an aerodynamic diameter d ≤10 μm) and humidity. …”
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    Article
  2. 302

    Disturbance Observer-Based Adaptive Control of Hypersonic Vehicles with Constrained Actuators by Guan Wang, Li Li, Weihua Li, Huajun Zhou, Changbo Ma, Hongwei Xia

    Published 2020-01-01
    “…For the altitude subsystem, the magnitude/rate constraints and the dynamics of aerodynamic control surfaces are addressed by the control allocation module. …”
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    Article
  3. 303

    Performance Enhancement in Horizontal Axis Wind Turbine Using Blade With Split by Adilkhan Tuken, Cemil Yigit

    Published 2025-02-01
    “…ABSTRACT The positive effects of passive flow control on the blade that uses various methods on the aerodynamic performances of horizontal axis wind turbines (HAWTs) are well‐known. …”
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    Article
  4. 304

    Structure Dynamic Response of Amphibious Aircraft Induced by Water-Taxiing by Jihang Lyu, Rong Yang, Lingcai Huang

    Published 2021-01-01
    “…The significant dynamic response under the combined impact of aerodynamic and hydrodynamic forces could be likely to appear because of the structural flexibility, when taxiing on the water surface for amphibious aircraft. …”
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    Article
  5. 305

    Calculation of the Hinge Moments of a Folding Wing Aircraft during the Flight-Folding Process by Hao Xu, Jinglong Han, Haiwei Yun, Xiaomao Chen

    Published 2019-01-01
    “…The user subroutine is utilized, aerodynamic loading is realized in ADAMS, and an aeroelastic flight simulation platform of a folding wing aircraft is built. …”
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    Article
  6. 306

    Nanocrystal Agglomerates of Curcumin Prepared by Electrospray Drying as an Excipient-Free Dry Powder for Inhalation by Shahram Emami, Zahra Hemmati, Shadi Yaqoubi, Hamed Hamishehkar, Amin Alvani

    Published 2024-01-01
    “…The in vitro deposition studies were conducted using next-generation impactor (NGI) and aerosol performance and aerodynamic particle size parameters were calculated for prepared formulations. …”
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    Article
  7. 307

    Le fond plat, avenir prometteur de l’aérostation by Béesau, Christophe

    Published 2024-11-01
    “…However, a patent modifying the profile of the aircraft’s bottom provides a solution to this problem that is as elegant as it is effective, and changes the game by giving the aircraft outstanding aerodynamic properties.…”
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    Article
  8. 308

    MULTIDISCIPLINARY DESIGN OPTIMIZATION OF TURBINE STAGE BASED ON IMPROVED BI-LEVEL INTEGRATED SYSTEM SYNTHESIS by ZHANG LiZhang, YIN ZeYong, MI Dong, QIAN ZhengMing, JIA ZhiGang

    Published 2015-01-01
    “…The key idea in this approach is to keep the basic algorithm structure of BLISS2000,cancel the process to generate approximation models,and use variable complexity method( VCM) which in the aerodynamic analysis. The approach was evaluated and validated by a turbine blade optimization problem. …”
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    Article
  9. 309

    Two-Degree Vibration Analysis of a Horizontal Axis Turbine Blade by Finite Differential Methods by Youfeng Zhu, Hongyu Zang, Xiaofei Kong, Peng Ban

    Published 2018-01-01
    “…Two-degree vibration partial differential equations of large horizontal axis turbine blades were established by Kallesøe’s model and Greenberg unsteady aerodynamic theory. By means of the finite difference discretization and cantilever beam boundary condition, the equations of blades can be simplified as a general vibration system. …”
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    Article
  10. 310

    Flight Path Reconstruction and Parameter Estimation Using Output-Error Method by Benedito Carlos de Oliveira Maciel, Luiz Carlos Sandoval Góes, Elder Moreira Hemerly, Nei Salis Brasil Neto

    Published 2006-01-01
    “…This method is also applied to obtain the aerodynamic and control derivatives of a regional jet aircraft from flight test data with measurement noise and bias. …”
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    Article
  11. 311

    Profiling Near-surface Winds on Mars Using Attitude Data from Mars 2020 Ingenuity by Brian Jackson, Lori Fenton, Travis Brown, Asier Munguira, German Martinez, Claire Newman, Daniel Viúdez-Moreiras, Matthew Golombek, Ralph Lorenz, Mark D. Paton, Dylan Conway

    Published 2025-01-01
    “…An improved model for Ingenuity’s aerodynamic response that includes the effects of transient winds may also modify our results. …”
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    Article
  12. 312

    Studi performa aerodinamis turbin hidrokinetik Savonius dengan 2 semicircular blade-sharp leading edge by Khoiri Rozi, Berkah Fajar, M. Rasyid

    Published 2022-04-01
    “…<p><em>This current investigation was conducted to study the aerodynamic characteristics of Savonius hydrokinetics turbine with semicircular blade-sharp leading edge. …”
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    Article
  13. 313

    Drug Concentrations in the Air and their Influencing Factors in a Pediatric Intensive Care Unit by Hui-Yun Tseng, Yi-Ting Tsai, Ying-Shiuan Su, Po-Pei Peng, Gwo-Hwa Wan

    Published 2024-02-01
    “…This study revealed that the average concentrations of CO2, PM10 (an aerodynamic diameter equal to or less than 10 µm), and PM2.5 (an aerodynamic diameter less than 2.5 µm) in the PICU met Taiwan’s Ministry of Environment (MOENV) indoor air quality standards. …”
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    Article
  14. 314

    Design of Round-Nozzle Inertial Impactors Review with Updated Design Parameters by Francisco J. Romay, Estíbaliz García-Ruiz

    Published 2023-02-01
    “…Abstract Round-nozzle inertial impactors are widely used aerosol measuring instruments to characterize the mass and chemical composition of airborne aerosol particles as a function particle aerodynamic diameter. This article summarizes the most important design considerations with updated recommended design parameters taken from our review of published research articles and discusses some of the more common non-idealities seen in the operation and performance of inertial impactors. …”
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    Article
  15. 315

    Mathematical Analysis of the Effect of Rotor Geometry on Cup Anemometer Response by Ángel Sanz-Andrés, Santiago Pindado, Félix Sorribes-Palmer

    Published 2014-01-01
    “…The comparison with the experimental data indicates a nonuniform distribution of aerodynamic forces on the rotating cups, with higher forces closer to the rotating axis. …”
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    Article
  16. 316

    A Review on Performance Calculation and Design Methodologies for Horizontal-Axis Wind Turbine Blades by Rongyu Zha, Siyuan Wu, Chang Cai, Xiaohui Liu, Dian Wang, Chaoyi Peng, Xuebin Feng, Qiuhua Chen, Xiaohui Zhong, Qing’an Li

    Published 2025-01-01
    “…Therefore, this paper reviews the performance calculation and design methodologies of horizontal-axis wind turbine blades from three aspects: aerodynamic design, structural design, and coupled aero-structural design. …”
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    Article
  17. 317

    Study on Yaw Gearbox Broken Tooth of MW-class Wind Turbine by Wang Fugang, Cheng Linzhi, Su Fengyu, Xie Jinjuan, Tong Shiwei, Li Chengchen, Zhuo Ran, Li Yongkui

    Published 2018-01-01
    “…Bladed software is used to simulate the impeller imbalance and verify the wind field.It is concluded that the deviation of the installation angle of a blade of the wind turbine causes the aerodynamic imbalance of the wind wheel is the root cause of the failure.…”
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    Article
  18. 318

    Optimization of determination and application of complexly distributed loads on a double curvature cable-stayed covering by V. A. Dagaev, G. M. Purvin, F. S. Shkoliar

    Published 2023-11-01
    “…This more accurate approach together with the results of aerodynamic tests and automated data transfer to the calculation systems will allow to determine more accurately the SSS of complex coverings, to avoid recalculation and reassignment of complex non-uniformly distributed linear and nonlinear loads in the calculation schemes when changing the initial data with saving labour and time costs for the control of these processes.…”
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    Article
  19. 319

    Trends in Air Pollutant Concentrations and the Impact of Meteorology in Shandong Province, Coastal China, during 2013–2019 by Na Zhao, Gang Wang, Guohao Li, Jianlei Lang

    Published 2021-02-01
    “…., sulfur dioxide [SO2], carbon monoxide [CO], particulate matter [PM] with an aerodynamic diameter of < 10 µm [PM10], PM with an aerodynamic diameter of < 2.5 µm [PM2.5], nitrogen dioxide [NO2], and ozone [O3]) were analyzed for the period of 2013–2019, when overall emissions of air pollutants decreased, and the Weather Research and Forecasting model coupled with Chemistry (WRF/Chem) was applied to evaluate the role of inter-annual and seasonal meteorological changes. …”
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    Article
  20. 320

    Electrically Controlled Rotor Blade Vortex Interaction Airloads and Noise Analysis Using Viscous Vortex Particle Method by Taoyong Su, Yang Lu, Jinchao Ma, Shujun Guan

    Published 2019-01-01
    “…Based on the present prediction model, the aerodynamic and acoustic characteristics of a sample ECR in BVI condition are analyzed. …”
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    Article