Showing 1 - 20 results of 45 for search '"NACA"', query time: 0.05s 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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  14. 14

    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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  15. 15

    An experimental and numerical investigation on aerodynamic characteristics for different airfoil sections for external flow by Irsa TALIB

    Published 2025-01-01
    “…Utilizing a variable-speed centrifugal blower motor in the absence of converging and diverging sections ensures streamlined airflow in the test section. Two airfoil models, NACA-0012 and NACA-2414, fabricated from galvanized iron thin gauge sheet metal, undergo analysis through wind tunnel experiments and numerical simulation. …”
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  16. 16

    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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  17. 17

    IMPACT ANALYSIS OF IMPELLER PARAMETERS ON THE WIND-ENERGY UTILIZATION COEFFICIENT OF VERTICAL AXIS WIND TURBINE by HU Cao Di, WANG ChangLu, WEI LeYu, QIAO XueTao

    Published 2016-01-01
    “…Finally,in view of the NACA0018 airfoil,study respectively in different chord length,impeller radius and number of blades using the four-quadrant analysis method,the change of vertical axis wind turbine wind-energy utilization coefficient,which provides a reference for the selection of fan impeller parameters.…”
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  18. 18

    Uncertainty quantification and global sensitivity analysis of turbulence model closure coefficients for sheet cavity flow around a hydrofoil by Simone Romani, Mitja Morgut, Lucia Parussini, Marzio Piller

    Published 2025-01-01
    “…This paper presents the uncertainty quantification and sensitivity analysis of the standard k-ɛ turbulence model applied to the numerical prediction of the non-cavitating and cavitating flow around a 2D NACA66MOD hydrofoil. The turbulence model parameters are treated as epistemic uncertain variables, and the forward propagation of uncertainty is evaluated using the non-intrusive polynomial chaos approach. …”
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  19. 19

    DESIGN AND RESEARCH OF NEW SUSPENDING BIDIRECTIONAL TIDAL CURRENT ENERGY GENERATION DEVICE by WANG ShiMing, LUO RuiDong, DONG Chao, DING ChengLin

    Published 2021-01-01
    “…In this paper,a new type of impeller was designed to solve the problem that the current tidal current turbine couldn’t catch energy in both directions. The basic airfoil NACA24112 was calculated by the airfoil analysis software Xfoil and simulation software Fluent and used to design a new “S”airfoil,The chord length and twist angle of each blade section were calculated according to Wilson method,finally used CATIA for 3 d modeling and Fluent for simulating the model. …”
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  20. 20

    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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