Showing 1 - 20 results of 38 for search '"NACA"', query time: 0.07s Refine Results
  1. 1

    Computational assessment of winglet-induced variations in pressure coefficients on NACA 4418 aircraft wings by Md. Abdullah, Mohammad Zoynal Abedin

    Published 2025-01-01
    “…This study presents a computational analysis of the effects of winglets on the aerodynamic performance of NACA 4418 aircraft wings, focusing on the variations in pressure coefficients. …”
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  2. 2

    Structural Optimization of the Aircraft NACA Inlet Based on BP Neural Networks and Genetic Algorithms by Zhimao Li, Changdong Chen, Houju Pei, Benben Kong

    Published 2020-01-01
    “…Moreover, the optimum result of the structure of the NACA ram air inlet system is deduced. Results show that (1) the optimization algorithm is efficient with less prediction error of the mass flow rate and fuel penalty. …”
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    Online Projective Integral with Proper Orthogonal Decomposition for Incompressible Flows Past NACA0012 Airfoil by Sirod Sirisup, Montri Maleewong

    Published 2012-01-01
    “…The present method is applied to simulate two-dimensional incompressible fluid flows past the NACA0012 airfoil problem. The approach consists of using high-accuracy direct numerical simulations over short time intervals, from which POD modes are extracted for approximating the dynamics of the primary variables. …”
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    Solution for harvesting wave energy with Wells turbines and protection of the Black Sea coast by Budea Sanda, Simionescu Ștefan-Mugur, Florea George-Fabian

    Published 2025-01-01
    “…Two models of Wells turbines, with NACA 0010 and NACA 0021 blade profiles, were tested in the laboratory with air and water as working fluids, in two variants of operation – stand-alone rotor and with guide blades. …”
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  12. 12

    Effect of Blade Profile on the Performance of Wells Turbine under Unidirectional Sinusoidal and Real Sea Flow Conditions by A. Thakker, R. Abdulhadi

    Published 2007-01-01
    “…In the study, four kinds of blade profile were selected, that is, NACA0020, NACA0015, CA9, and HSIM 15-262123-1576. …”
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  13. 13

    An Improved Nonlinear Aerodynamic Derivative Model of Aircraft at High Angles of Attack by Mi Baigang, Yu Jingyi

    Published 2021-01-01
    “…The improved nonlinear aerodynamic derivative model was validated by using the NACA 0015 airfoil and the F-18 model. The results show that the improved model has a higher prediction ability at high angles of attack and has the ability to predict the aerodynamic characteristics of other unknown states based on known unsteady aerodynamic data, such as the initial angle of attack, reduced frequency, and oscillation amplitude.…”
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  14. 14

    Numerical Simulation of Ground Effect on Circulation Control Airfoil by Quanbing Sun, Zhiwei Shi, Weilin Zhang, Zhikun Sun, Yongliang Chen

    Published 2022-01-01
    “…The aerodynamics and flow field of a modified NACA0012 airfoil with CC in ground effect are investigated with numerical simulations. …”
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    Airfoil Surface Forming and Conformity Test Using Laser Tracker by Habtamu Beri, Perumalla Janaki Ramulu

    Published 2022-01-01
    “…In this study, NACA0018 airfoil surface conformity test was conducted using API tracker3 in combination with SpatialAnalyzer (SA) and modeling software SolidWorks. …”
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    Numerical Investigation on Vortex Shedding from a Hydrofoil with a Beveled Trailing Edge by Seung-Jae Lee, Jun-Hyeok Lee, Jung-Chun Suh

    Published 2015-01-01
    “…To better understand the vortex shedding mechanism and to assess the capability of our numerical methodology, we conducted numerical investigations of vortex shedding from truncated and oblique trailing edges of a modified NACA 0009 hydrofoil. The hybrid particle-mesh method and the vorticity-based subgrid scale model were employed to simulate these turbulent wake flows. …”
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  17. 17

    Proper Orthogonal Decomposition as Surrogate Model for Aerodynamic Optimization by Valentina Dolci, Renzo Arina

    Published 2016-01-01
    “…In the second case, a two-dimensional flow past a NACA 0012 airfoil is considered and the surrogate model is constructed in the (Mach, angle of attack) parameter space. …”
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    Vortex Simulation of the Bubbly Flow around a Hydrofoil by Tomomi Uchiyama, Tomohiro Degawa

    Published 2007-01-01
    “…The bubbly flow around a hydrofoil of NACA4412 with a chord length 100 mm is simulated. …”
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    Performance of Combined Water Turbine with Semielliptic Section of the Savonius Rotor by Kaprawi Sahim, Dyos Santoso, Agus Radentan

    Published 2013-01-01
    “…In this study, three semielliptic sections of aspect ratio 0.8 were used for Savonius bucket while the Darrieus blade used three wings of airfoil NACA 0015. The Darrieus-Savonius turbine’s performances were studied experimentally in an irrigation canal of South Sumatera, Indonesia. …”
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  20. 20

    Research and Development of a Small-Scale Icing Wind Tunnel Test System for Blade Airfoil Icing Characteristics by Lei Shi, Fang Feng, Wenfeng Guo, Yan Li

    Published 2021-01-01
    “…On this basis, the icing tests of an aluminium cylinder, an NACA0018 airfoil, and an S809 airfoil were carried out, and the two-dimensional ice shape obtained by the test was compared with the two-dimensional ice shape obtained by the numerical simulation software. …”
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